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IAU Minor Planet Center

Minor Planet Center

Provisional Designations

The total number of new-style designations assigned by the Minor Planet Center (and its predecessors) is 852017. The following table lists the number of new-style minor-planet provisional designations assigned in each year, as well as the number of omitted and deleted designations and the number of designations identified with numbered minor planets, comets and natural satellites. Also given are the number of designations involved in unnumbered identifications (Unn.) and the number of designations that are principal designations (Prin.). Beyond these columns is a half-monthly breakdown of the yearly total of assigned designations. The data are complete through the latest batch of Minor Planet Circulars.

This list was last updated on 2009 Nov. 2.


Year    Total    Removed   Identified with                   Half-monthly breakdown
                 Omit Del  # mps  cmts sats Uun.  Prin.      A     B     C     D     E     F     G     H     J     K     L     M     N     O     P     Q     R     S     T     U     V     W     X     Y

2009    34968    110    5    337    3    0  6546  6626    1196  4589  1579  3489   748  1859   158  2648   453   896   177   249    55   603   458  1375  1753  8500   967  3216     0     0     0     0
2008    63651    184   12   1762    7    0 14729 16558    3240  1280  5221  2198  4110  3397  3553  1752  1022  1083   446   129   125   576   508  1077  3228  7017  4418  8808  1787  3225  1301  4150
2007    59748    152   15   4009    4    0 13330 15062     781  2537  1978  2904  5561  1233  1915  2422  1134   235   947   682   184   267  1203   392  7743   523 11011  3399  8012  1520  1400  1765
2006    76383    255    7   9350   12    0 15774 19978    2661  7109  1729  5455  1869  1383  1384  3860  2045  3627   202   383    30   545  1097  4679  3067 10287  3236  9014  4347  5149  1840  1385
2005    82873    331   38  16915    9    0 16015 21032    2071  1238  2016    91  8256   361  5687   264  4644   356  1350  1376  3142   794   728  4762  1296  7318  4916 13249  3408  5293  2950  7307
2004    58458    291   35  20444   13    0 12331 13049     676  4090  3273  2005  2907  4167  2226  1969  1411   474   795   217   848   387  2941   723  8921  1556  9259   283  3263   320  4816   931
2003    54668    338   40  22950   11    0  9340 12287    2372  2355   661   627  1593  3343  1435  1474   464   932   240   329   335   865   328  3006   695 10843  1491 10424   315  4878  1100  4563
2002    70318    383   89  41074    9    0  9671 14117    5249   813  7910   516  4085  1043  4664   460  3751   409  1584   145  1747   820  4797  3413  7050  1851  9641  1978  3690   779  3003   920
2001    73967    196   27  52478   11    0  7208 10640    1359  2089  1250  2792   696  4931   297  1712   281  1982   498   788   579  2849  1689  8379  3902  8887  6527  5771  3356  2603  6695  4055
2000    72661     97   27  59562   12    1  5667  5108    6457  1319  3753  2958  5216  1856  4702  2648  2362  2115   949   190   746  1748   817  6375  2697  9424  1870  2873  1637  4957  1391  3601
1999    49117     90   22  40100   11    5  3871  2742     992   890  4004   244   385  2440  1600   332  3472   537   929    61  1636   144   228    95  6493   720  8420  1628  5793   693  6636   745
1998    32437     70   33  28700    6    5  1840  1004     299  1259   144   970   569  3742   329  3978   135  1730   113  1245    50   392    46  2800  2035  4428   967  1271  1431  1156  2502   846
1997    12288     32    0  10257    1    0  1008   365     641   250   774    23  1506   132  1137   461   487   114   463   311   303    83   165   132   338   894   764   688   239  1471   366   546
1996    10312     31    2   7874    0    0  1084   325     519   469   242   198   412   629   543   681   424   253   151    49   144    80   249    98   855   230  1743   152  1052    97   944    98
1995    10925     20    1   6941    0    0  1655   635     130   431   279   357   244   541   252   143    56   152    34   216    40   469    38   431    37  2257   322  2096   486  1112   133   669
1994     6369      7    2   5215    0    2   561   175     436   150   523    24   246    29   302    45   249     5   267     1   333     4  1015    26   749   338   448   331   225   344   160   119
1993     7093     30    1   6330    1    0   342    92      22   401    60    99    24  2144    44   267    42    95    60    46    67   372   236   284   531   424  1226   257   214    24    87    67
1992     4913     22    9   4391    1    0   113    27     180   158   223   355   944   110   231   190   137    28    86    18    19   285   176    80   195   692    58   280    18   264    37   149
1991     5505     41    4   4891    2    0    84    22     124   121   171    72   239   182   376   133   188    85   186     2   248    56   824    13  1073   144   427   135   441    16   181    68
1990     4962     23   16   4345    1    0    37    11      32   162    25   247   282   146    42   188    55   100     7    55     0   156    14   501   466   764   418   374   413   416    56    43
1989     3420     28    1   3094    1    2    19     4     266    60   245    12   316    33   226     8    23    19    38    17    51    39    52    37   155   378   480   259   168   197    93   248
1988     2523     20    6   2202    1    2    11     2     147   144   199   140    78    95    77    27    73    44    24     9    35    22   131    42   370   126   135    51   362    13   152    27
1987     2782     20    1   2336    0    1    11     2      24    99    18   181    31    50    39    71    11   138     6    48    29    47    13   327   171   792    29   255    55   148    35   165
1986     2775     10    2   2223    4    3     6     1      79     0    65     2   149     6    79    33    49    19    50     2    35    21   179   153   454    83   485   119   245   282   149    37
1985     1821     13    1   1517    0    0     4     2       8    61    69   122    13    83    51    47    65    32     5     7     5    36    77   176   170   185   102   178   159    21    84    65
1984     1518      1    0   1346    1    1     5     0      40   197    41    87    59    62    32    70    69    33    17    22     5    14     9    50    13   217     4   140     1   142     5   189
1983     1622     30    0   1229    2    0     8     4     169    21   225    22   113    24    74    53    50     3    28     0    29    16    67    43   244    21    71    37   193    39    52    28
1982     2711     24    3   2280    1    0     6     1      15   394     5   185     9   108    10    86   128   115     4    22     3    38    46   106    92   337    90   310   331    15   126   136
1981     3804     10    6   3507    2    0    31    24     106    25    44   103  1245    39    46     5   172    45    13     6    43    18    22   126   196   235   118   755    78   236    65    63
1980     2117      2    2   1966    0    0     7     2      10   164    21   157    57   309    50     6    27    62    33    12    20    12   125     5   216    22   394    52   118   136    87    22
1979     2668      5    3   2401    0    0    13     3       3    76     2    29    13   111    20   175    12    42     0   247     5   427    12   259    40   384    71   129    90   215    51   255
1978     3229      5    3   2924    1    0    32     1      11     8    20     2   272     3   135     1   101     2    26     0   212    19   134    92   435   207   247   223   427   549    48    55
1977     2378      7    2   2088    2    0    22     0      77    27    85   290   231    91    31    37    29    54    45     1    19    26    64   143   515    95   215   140    67     0    92     4
1976     1910     10    3   1772    1    0     9     0      11     0     1    34    26     8   224    30   280    82     1    16    16    34    10    68     1   288     2   543     1    30     0   204
1975     1330     13    2   1223    1    1     0     0      30    48    11     5   162    26    41    13    16     0    36     1    48     0    20    17    66    55   184    30   265    54   187    15
1974      916      2    2    838    0    0     2     0       0     0    40    66    20    53     1    94     2    18     7    19     2    58    12    95    55   135    49    17    86    40    29    18
1973      868     21    0    768    1    0     0     0     125     5    13    20    17    62    36     1     4     5     3     1     1     1     2    57     8   174    26   157    22    14     0   114
1972      895      3    0    852    0    0     2     0      20    22     7     1    16    11    57    43    44    14    38     1    26     5     3    17   107     1   280    10    56     2    70    44
1971      814     14    0    720    1    0     0     0       2   106     7    58     1    35    12    25     4    30     7    11     4    50     1    91     4   110    87   118    30     3     5    13
1970      554      0    3    485    0    1     0     0      37     4    20     2    97    12    69    14    20    11    17     4    13    11    29    43    22    42     8     3     5    40    10    21
1969      728      1    1    656    0    0     1     0      33     8     2    11    56    15     4     7    20    10    10    13     2    35    28    23    68     5   207    73    88     0    10     0
1968      386      0    1    320    0    0     0     0       7    15     4    30     0    27     0    40     0    21     0     4     0    39     2    56     2    12    15    94     0     9     4     5
1967      238      0    0    165    1    0     0     0       5     0    14     3    40     1    38     2    24     7     2     1     7     0    10     0    35     6    16    22     2     0     3     0
1966      319      0    2    224    0    0     0     0       1    26    26    23     2    22     3    20     4     9     5     5     0     2    32    22    16     4    18    31    19    13     8     8
1965      255      0    0    225    0    0     0     0      40     4     9     6     1     2     5     2    11     0     2     5     1    10     4     7     1    25     3    64    11    24     3    15
1964      351      1    1    318    0    1     0     0       0     8    11     8    22    10     4     3     9     1     3     0     1     0    18     3    14     0    71    19    78    39    15    14
1963      194      0    1    178    0    1     0     0       0     0     0    15     0    11     6     5     0    12     1     7     2     1     5     6    10    30    36    21    15     6     1     4
1962      329      4    1    312    0    0     0     0       6     7    32     4     8     1     7    10    24     3     1     2     2     4    18    13    15    19    15    10    10    64    47     7
1961      257      4    0    206    0    0     0     0      16     5    32    14     9     6    11     1    10     2     3     1     0     2     6     1     3     0    52    20    29     7    26     1
1960      166      0    1    111    1    0     9     5       0     6     3     6     7    11     2     5     1     3     1     5     0     9     2     6     2    33     3    10    11    35     4     1
1959      291      0    2    262    0    0     0     0       4     0    33     0    32     1    28     0    20     0    14     1    19     7     9     4    33    18    23    17    12     6    10     0
1958      274      0    3    257    0    0     0     0      10    12     2    37     0    14    24    13     3     1     3     0     0     4     6     5    17     1    43    16    31     3    29     0
1957      418      0    4    289    0    0     0     0      11    38     7     8    15     9     4    28    31    20    17    12     5    32     2    17     0    13    14    41     3    59     6    26
1956      302      0    1    173    0    0     0     0      34     2     6     4    43     1    23     3     7     5     6     0     6     1    11     2    24    10    30    19    16     6    25    18
1955      599      0    8    408    0    0     1     0       2    35     7    24    17    59     6    28     0    16     4    36     3    12     3    50    40    80    29    50    35    12    38    13
1954      561      1    1    373    1    0     1     0      17     9    19     8    29     7    17    13    23    18    12    24    28    24    20    30    28    43    37    88     0    34    16    17
1953      739      0    3    531    0    0     1     0      18     6    20    10    59    51    58     3    19     6    10     2    15    18    39    22    62    18   101    35   102     2    50    13
1952      653      0    4    525    0    0     0     0       0    64     4    93     2    41     1   112    16    39     6    22     2    35    10    38    23    47    12    53    12    10     1    10
1951      736      0    0    624    0    0     0     0      52     4    60    11    77     4    39     3    29    29    26    15    17    12    19    15    54    24    24    27    10    74    38    73
1950      678      2    7    525    1    2     0     0       7    49    24    41    24    21     7    40    22    12    38     9    44    17    29    35    43    23   120    14    17     8    30     4
1949      563      1   26    456    0    0     0     0       4    20    17    11    10    44    20    44    11    32     0    24     3    43    25    67     3    48    10    39     1    41    14    32
1948      412      1   21    289    0    0     0     0      11     7     7     5    36     5    13     3    18     9    12    11    10    10    37    20    45    10    64    14    20    19    18     8
1947      170      0    4    111    0    0     0     0       3    15     8     3     3    14    10     7     2     9    18     1    11     8     2     9    10     5     5    11     3     4     9     0
1946      104      2    9     61    0    0     0     0       2     2     0     2     0     6     5     3     3     3     3     3     5    11     0     7     0    15     5    19     0     7     0     3
1945       74      0   24     39    0    0     0     0       3     4     0     0     5     1     6     0     0     2     0     0     2     1     1     8    16     1     6     4     9     4     1     0
1944       81      0    9     60    0    0     0     0       0     6     1    15     0     5     0     3     0     5     1     6     0     9     0    13    11     4     0     1     0     0     0     1
1943      180      0   11    129    0    0     0     0       5     0     0    14    35     7    29     0     2     0     3     7     0     9     6     7     3     7    15     9    11     3     3     5
1942      305      1   16    227    1    0     0     0       7    13    12    13    41    20    30    12    12     4    11     0     3     5    12     5    36     0    11     1    28     1    25     3
1941      291      0   27    191    1    0     0     0       1    27     9    17     3    38     0    19     3     7     0     8     0     6     0     7     1    68     0    27     4    33     5     8
1940      257      0   13    155    1    0     0     0      19     5    16     1    19     7    33     4     5     2    16     1     6     2     7    14    28     9    15     6     0    17     6    19
1939      291      0   11    192    2    1     0     0       3    23    34    14    14    26    22    11     6     8     9     2     4     1    16     5    17     8    16    20    15     1    12     4
1938      376      0    8    279    0    0     0     0       9    14    20    69    35    19    13     7     4     5     2     6     1     8     3    16     6    41     5    46     3    22     8    14
1937      279      0    2    196    0    0     0     0      30    10    14     1     7     3    16     0    17     8    20     0    27     3    10     8    21     1    21    11    18    18     4    11
1936      331      1    2    250    0    0     0     0       5     7     5    17     2    53     3    15     2    16    10    11     8    16    18    42    18    16    11    14    10    12     9    11
1935      350      0    2    280    0    1     0     0       1    13    28    13    24    24    15     9    13    12     1    12     6    12     7    36    10    60    10    26     2     5     0    11
1934      313      0    2    249    0    0     0     0      10     3    40     2     9    20    24     9    15     3    16     0    32     4    28     3    33     6    14     3    25     2    11     1
1933      340      0    1    260    0    0     0     0       0    27     1    13     0    53     7    14     2     3     2     4     2    21     1    41    10    44     3    53     7    20     9     3
1932      243      0    2    163    0    0     0     0       7    17    38     5    33     8     3    19     5     9     3     3    10     3    10     1    15     6     3     4     5    16     0    20
1931      441      1    2    348    1    0     0     0      32    17    10    26    16    19    14     8    20    13     5     9     0     5     8     3    35     1   117    18    38     2    24     1
1930      348      0    5    251    0    1     0     0       8    11     1    29     6    26    13    19     4    21     2    19     1    14     4    25     5    33     3    34    11    12    21    26
1929      328      0   17    253    0    3     0     0      12     7    36     4    12     2     6     0    12     1     9     1     8     1    15    12    38    19    30    18    24    33    23     5
1928      190      0    6    135    0    0     0     0       0     8     0    35     0    20     1    11     3     5     1     0     2     3     5    16    25    19    12     6     4     5     8     1
1927      145      0    9     95    0    0     0     0       5    16    21     4     5     5     0     4     4     2     1     2     1     2     1    12     7    18    10    14     3     4     0     4
1926      152      0    4     90    0    0     0     0      12     1     6     0     8    11    31     0     3     2     0     0     1     0     8     6    19     4    15     1    11     3     8     2
1925      106      0    1     66    1    0     0     0       4     6     1     7     1     4     3     4     1     4     1     1     1     2     1     9    12     6     6     2    12    11     6     1
1924      105      0    7     66    0    1     0     0       2    10     4     3    16     2     6     1     3     3     2     1     6     4     3     1     7     4     4     1     1    11     5     5
1923       50      0    1     37    0    0     0     0       1     1     3     0     0     1     1     1     2     0     2     0     2     0     2     1    16     0     3     3     5     2     2     2
1922       37      0    1     20    0    0     0     0       2     3     0     3     1     1     0     1     0     4     0     0     1     3     0     3     0     5     2     0     2     3     3     0
1921       53      0    1     27    0    0     0     0       1     1     1     1    10     0     6     1     0     0     0     0     0     0     2     0     5     3     6     8     1     6     1     0
1920       32      0    1     21    0    0     0     0       0     0     1     1     3     1     6     9     3     0     2     0     0     0     0     1     0     0     3     0     2     0     0     0
1919       38      0    4     23    0    0     0     0       3     0     0     0     2     1     2     2     1     3     0     1     2     1     0     3     2     8     0     5     0     1     1     0
1918       41      0    2     31    0    0     0     0       0     0     4     0    12     3     2     0     0     1     0     0     0     1     4     0     6     0     1     2     0     3     1     1
1917       80      0    4     64    0    0     0     0       0     4     6     6     0     2     2     1     1     6     1     1     0     1     1     3     1    17     9     8     2     0     5     3
1916       94      0    2     74    0    0     0     0       4     1     2     5     0     5     7     3     1     5     2     2     4     7     3     4     1     3     0    17     1    11     0     6
1915       82      0    5     61    0    0     0     0       0     4     6     2     0     6     4     3     5     1     0     0     0     0     4     1    14     1    14     1     5     8     3     0
1914       55      0    2     29    0    0     0     0       0     4     0     2     0     0     0     2     1     1     1     0     1     2     0     1     1     5    10     5     6     6     1     6
1913       70      0    3     39    0    0     0     0       5     0     7     2     7     0     3     4     2     1     6     7     1     2     0     2     3     3     2     6     3     1     0     3
1912       73      0    3     40    0    0     0     0       5     4     3     1     2     2     6     8     4     1     3     1     2     0     1     1     3     0     5     0    15     2     2     2
1911       59      0    0     47    0    0     0     0       0     3     1     1     0     5     0     6     0     6     0     9     0     2     0     9     1     0     1    10     3     2     0     0
1910       39      0    0     36    0    0     0     0       2     1    10     1     3     1     2     1     5     0     2     0     3     0     0     0     2     0     2     2     2     0     0     0
1909       64      0    2     57    0    0     0     0       3    13     1    10     2     0     9     5     1     0     0     0     0     0     1     0     0     3     7     4     2     1     1     1
1908       91      0    5     71    0    0     0     0      11     8     4     3     4     4     2     3     0     1     1     1     0     4     0     5     0     6     6     8     2     6     1    11
1907       92      0    0     77    0    0     0     0       0     2     4     0     8     2    22     1     6     0     0     1     0     0     2     0     6     1     9     6    17     2     3     0
1906      102      0    5     86    0    0     0     0       2    11     0     5     2     8     2     4     1     1     0     2     0     3     1     6     4     7     2     9    11     3     3    15
1905       61      0    1     56    0    0     0     0       3     3     9     0     1     2     2     0     3     0     0     1     0     3     0     1     0     5     0    16     8     2     1     1
1904       45      0    3     36    0    0     0     0       4     0     1     0     3     0     1     2     4     0     2     0     1     0     3     0     6     7     2     3     5     0     1     0
1903       38      0    0     33    0    0     0     0       0     8     2     1     0     0     0     2     0     0     0     2     1     0     1     2     0     6     1     7     3     1     1     0
1902       50      0    3     42    0    0     0     0       0     0     1     1     7     0     3     0     2     0     1     2     1     0     0     0     3     1     5    10     1     8     0     4
1901       29      0    2     22    0    0     0     0       0     1     1     2     1     0     0     2     1     1     0     0     0     0     0     1     0     2     6     1     8     0     2     0
1900       26      0    5     16    0    0     0     0       0     0     0     3     2     1     1     0     0     2     0     4     0     0     0     0     0     3     0     5     1     2     0     2
1899       45      0    0     30    0    0     0     0       0     0     0     0     3     0     1     0     2     3     5     1     9     6    10     1     0     0     2     1     1     0     0     0
1898        9      0    1      5    0    0     0     0       0     1     0     0     0     0     0     0     0     0     0     0     0     0     0     0     0     0     0     0     6     2     0     0
1897        1      0    0      1    0    0     0     0       0     0     0     0     0     0     0     0     0     0     0     0     0     0     0     1     0     0     0     0     0     0     0     0
1896        7      0    0      6    0    0     0     0       0     1     0     0     0     0     1     1     0     0     0     0     0     0     0     0     2     0     0     0     0     0     0     2
1895        9      0    0      7    0    0     0     0       0     0     0     3     2     0     0     0     0     0     0     0     0     1     0     0     0     0     1     0     0     0     2     0
1894        4      0    0      4    0    0     0     0       0     1     0     0     0     0     1     0     0     0     0     0     0     0     0     0     0     0     0     0     1     1     0     0
1893       13      0    1     10    0    0     0     0       1     1     1     0     2     3     1     0     0     1     0     0     0     0     1     1     0     0     0     0     1     0     0     0
1892       12      0    0      3    0    0     0     0       0     5     0     0     0     3     0     1     0     0     0     0     0     1     0     0     1     0     0     0     0     0     1     0
1891        6      0    0      2    0    0     0     0       0     0     0     0     0     0     0     0     0     0     0     0     0     0     0     0     0     0     0     0     0     1     4     1
1890        1      0    0      0    0    0     0     0       0     0     0     0     0     0     1     0     0     0     0     0     0     0     0     0     0     0     0     0     0     0     0     0
1887        2      0    0      2    0    0     0     0       0     1     0     0     0     0     0     1     0     0     0     0     0     0     0     0     0     0     0     0     0     0     0     0
1881        1      0    1      0    0    0     0     0       0     0     0     0     0     0     0     0     0     0     0     0     0     0     0     0     0     1     0     0     0     0     0     0
1880        1      0    0      1    0    0     0     0       0     0     0     0     0     0     0     0     1     0     0     0     0     0     0     0     0     0     0     0     0     0     0     0
1878        2      0    0      1    0    0     0     0       0     0     1     0     0     0     0     0     0     0     0     0     0     0     0     0     0     0     0     0     1     0     0     0
1874        1      0    0      0    0    0     0     0       0     0     0     0     0     0     0     0     0     0     0     0     0     0     0     0     0     0     0     0     1     0     0     0
1873        1      0    0      0    0    0     0     0       0     0     0     0     0     0     0     0     0     0     0     0     0     1     0     0     0     0     0     0     0     0     0     0
1869        1      0    0      1    0    0     0     0       0     0     0     0     0     0     1     0     0     0     0     0     0     0     0     0     0     0     0     0     0     0     0     0

P-L      2369      0    0   2221    0    0    65    68       0     0     0     0     0     0     0     0     0     0     0     0     0     0     0     0     0  2084     0   285     0     0     0     0
T-1       746      0    0    739    0    0     2     2       0     0     0     0     0   706     0     0    40     0     0     0     0     0     0     0     0     0     0     0     0     0     0     0
T-2      1396      0    0   1321    0    0    43    45       0     0     0     0     0     0     0     0     0     0     0     0     0     0     0     0     0  1396     0     0     0     0     0     0
T-3      1430      0    0   1266    0    0    88    88       0     0     0     0     0     0     0     0     0     0     0     0     0     0     0     0     0     0    17  1413     0     0     0     0

Totals 854978   2961  765 401934  144   35121671140109   31122 33840 37666 27874 43677 36402 32886 27094 24520 16416 10222  7269 11564 12894 19102 41383 57456 85415 72602 72714 43768 37284 37570 34238

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Designations can be deleted for a number of reasons (non-existence of reported object, identity with star or galaxy, etc.). Omitted designations are designations assigned and deleted before publication.

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