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
A B C D E F G H J K L M N O P Q R S T U V W X Y
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.
