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IAU Minor Planet Center

Minor Planet Center

MPEC 1999-A01: DAILY ORBIT UPDATE (1999 JAN. 1 UT)

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Read MPEC 1998-Y42 Read MPEC 1999-A02


M.P.E.C. 1999-A01                                Issued 1999 Jan.  1, 07:06 UT

     The Minor Planet Electronic Circulars contain information on unusual
         minor planets and routine data on comets.  They are published
   on behalf of Commission 20 of the International Astronomical Union by the
          Minor Planet Center, Smithsonian Astrophysical Observatory,
                          Cambridge, MA 02138, U.S.A.

             BMARSDEN@CFA.HARVARD.EDU or GWILLIAMS@CFA.HARVARD.EDU
                   URL http://cfa-www.harvard.edu/iau/mpc.html

                       DAILY ORBIT UPDATE (1999 JAN. 1 UT)

                            Update to MPEC 1998-Y42

New identifications:
         J93F48C  J98Y17F                                     Williams
         J96H25C  J98Y18O                                     Williams
         J97O00M  J78R11Y  J98Y17X                            Williams
         J97S11O  J98Y20K                                     Williams
         J98V05D  J81U16Q  J87X01B                            Williams
         J98W22X  J93P06L                                     Williams
         J98X06Y  J96G09V                                     Williams
         J98Y02Y  J94P33H                                     Williams
         PLS6189  J98Y16J                                     Williams

New old-numbered orbit:
Object    H    G   Epoch    M     Peri.   Node    Incl.     e         a    Opp C
07451   12.7  0.15 J991M 115.165 197.112 147.378  10.319 0.17119   2.80730   6 E

New multiple-opposition orbits:
Object    H    G   Epoch    M     Peri.   Node    Incl.     e         a    Opp C
J81E36W 15.4  0.15 J991M 132.649  58.275 286.325   5.402 0.06100   2.79309   3 W
J84U00D 13.5  0.15 J991M  36.599  24.201  27.444   9.213 0.24565   2.74481   5 W
J85P00L 13.4  0.15 J991M  76.765  31.455 320.535  12.795 0.22507   2.57153   7 W
J89A01S 13.7  0.15 J991M 320.853 102.250  52.281   2.908 0.09074   2.24570   4 W
J90X00F 12.1  0.15 J991M 313.999 219.573 293.199  11.039 0.20223   2.55160   6 W
J91T13O 13.8  0.15 J991M 115.115 105.743 220.944   6.870 0.12922   2.28549   7 W
J92C01D 13.6  0.15 J991M 337.615 311.214 187.969   2.917 0.12931   2.36245   5 W
J92D01G 13.2  0.15 J991M 286.978 231.272 348.243   5.575 0.15266   2.36920   6 W
J93F15A 14.0  0.15 J991M  26.461 314.697  50.602   7.719 0.12816   2.39888   3 W
J93F48C 15.5  0.15 J991M 273.393  73.157 154.844   0.736 0.16040   2.15237   2 W
J93F55Z 13.5  0.15 J991M 115.741 176.461 137.297   6.117 0.24285   2.36580   5 W
J93H06L 13.8  0.15 J991M 272.291 345.709 215.782   7.518 0.14449   2.19590   6 W
J93R00S 14.4  0.15 J991M 352.365  45.473 351.619  22.485 0.04780   1.88349   2 W
J94P22F 14.0  0.15 J991M  91.210  25.874 337.764   6.319 0.19537   2.25847   8 W
J95C02E 12.7  0.15 J991M 237.136 330.475 291.156  28.517 0.04086   2.60858   4 W
J96H25C 14.5  0.15 J991M 187.677  92.494 152.957   2.551 0.03338   2.83695   2 W
J97O00M 15.1  0.15 J991M  77.482 202.321 144.614   2.646 0.07863   2.84942   3 W
J97S11O 16.7  0.15 J991M  34.450  73.587   4.361   1.482 0.08459   2.66124   2 W
J97S16G 13.2  0.15 J991M 334.578 314.600 187.680   1.815 0.01114   2.85402   6 W
J98Q60T 13.2  0.15 J991M  21.606 127.068 298.920  21.898 0.34956   2.44674   2 W
J98V05D 13.1  0.15 J991M 353.267   3.595  78.108   2.629 0.15319   3.15381   3 W
J98W00S 12.3  0.15 J991M   3.740  94.895   9.145  27.499 0.39547   2.65368   4 M
J98W22X 14.4  0.15 J991M 101.752  95.720 212.688   2.108 0.21588   2.67910   2 W
J98X05B 15.3  0.15 J991M 107.252 146.757 181.702   5.769 0.16479   2.25627   4 M
J98X06Y 16.0  0.15 J991M 115.297 188.795 120.453   1.533 0.06017   2.80244   2 W
J98Y02Y 15.5  0.15 J991M 227.183  35.753 179.500   3.166 0.04285   2.22593   2 W
PLS4611 14.4  0.15 J991M 335.167 130.723   9.378  12.720 0.12852   2.40407   4 W
PLS6189 16.8  0.15 J991M 124.769  78.622 266.606   1.678 0.16182   2.25515   2 W

New perturbed one-opposition orbit:
Object    H    G   Epoch    M     Peri.   Node    Incl.     e         a    Arc C
J98W06Z 17.2  0.15 J991M 332.131 110.579  68.863  24.752 0.40839   1.45241  38 W

New one-opposition orbits:
Object    H    G   Epoch    M     Peri.   Node    Incl.     e         a    Arc C
J98W17K 12.8  0.15 J98BN 245.687 300.109 244.813  21.492 0.10170   3.17269  34 W
J98W19K 12.6  0.15 J98BN  14.751 163.860 278.202  12.926 0.12387   2.57651  55 W
J98X02U 13.4  0.15 J98CD  47.617  38.848 341.644  12.120 0.17575   2.67220  23 W
J98X06M 14.1  0.15 J98CD 116.696 183.955 113.880   3.069 0.09527   2.92938  20 W
J98X07P 14.0  0.15 J98CD 230.250 325.710 234.497  12.671 0.07593   3.11281  20 W
J98X13R 16.6  0.15 J98CD 331.960 281.478 191.366   1.332 0.27775   3.10764   9 W
J98X25G 16.2  0.15 J98CD  40.484 204.917 173.860   2.279 0.07664   2.87837  15 W
J98Y01W 11.4  0.15 J98CD 219.031 262.141 307.905   8.091 0.01981   5.05881   8EW
J98Y08O 13.3  0.15 J98CD 274.242  60.698 143.068   5.184 0.09393   2.26067   7EW
J98Y14D 15.0  0.15 J98CD 153.258 176.597  90.298   8.333 0.08228   2.65709   8 W

New observations:
     J98W06Z  C1998 12 31.77906 02 15 00.37 +66 58 15.3          17.1 V      046
     J98W06Z  C1998 12 31.78016 02 14 59.44 +66 58 16.6                      046
     J98W06Z  C1998 12 31.78088 02 14 58.77 +66 58 18.2                      046
     J98W06Z  C1998 12 31.78153 02 14 58.19 +66 58 19.2                      046

                       (Last issue was M.P.E.C. 1998-Y42)

A. U. Tomatic                (C) Copyright 1999 MPC           M.P.E.C. 1999-A01

Read MPEC 1998-Y42 Read MPEC 1999-A02


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