MPEC 2002-M33 : COMET 46P/WIRTANEN
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M.P.E.C. 2002-M33 Issued 2002 June 24, 20:50 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.
Prepared using the Tamkin Foundation Computer Network
MPC@CFA.HARVARD.EDU
URL http://cfa-www.harvard.edu/iau/mpc.html ISSN 1523-6714
COMET 46P/WIRTANEN
Observations:
0046P C2001 12 09.02362 20 06 33.68 -27 38 27.2 309
0046P C2001 12 09.02783 20 06 33.97 -27 38 26.5 309
0046P rC2002 06 23.82884 03 12 07.79 +09 51 57.0 17.6 N 413
0046P rC2002 06 23.83009 03 12 08.04 +09 51 58.4 17.6 N 413
0046P rC2002 06 23.83134 03 12 08.32 +09 51 59.6 17.4 N 413
0046P rC2002 06 23.83327 03 12 08.72 +09 52 01.7 17.2 N 413
0046P rC2002 06 23.83452 03 12 08.98 +09 52 03.2 17.3 N 413
0046P rC2002 06 23.83577 03 12 09.24 +09 52 04.8 17.4 N 413
Observer details:
309 Cerro Paranal. Observers H. Boehnhardt, G. P. Tozzi. Measurer
H. Boehnhardt. ESO 8.2-m UT4 Yepun Telescope + CCD.
413 Siding Spring Observatory. Observers G. J. Garradd, R. H. McNaught.
1.0-m f/8 reflector + CCD.
Orbital elements:
46P/Wirtanen
Epoch 2002 Sept. 3.0 TT = JDT 2452520.5
T 2002 Aug. 26.74628 TT MPC
q 1.0587602 (2000.0) P Q
n 0.18107117 Peri. 356.39842 +0.19682227 -0.95950035
a 3.0943529 Node 82.17432 +0.90454239 +0.09840414
e 0.6578412 Incl. 11.73813 +0.37823810 +0.26396157
P 5.44
From 252 observations 1995 June 26-2002 June 23, mean residual 0".61. Non-
gravitational parameters A1 = +0.23 +/- 0.03, A2 = -0.1892 +/- 0.0097.
Residuals in seconds of arc
950626 809 1.6- 1.1- 961002 809 0.1+ 0.0 970423 897 1.1+ 0.7-
960320 809 0.7- 0.3- 961002 809 0.0 0.1- 970423 897 0.5+ 0.5-
960425 809 0.9+ 0.3+ 961003 809 0.2+ 0.2- 970423 118 0.3+ 0.4-
960425 809 1.6+ 1.0+ Y 961003 809 0.3+ 0.0 970423 118 0.2- 0.5-
960425 809 0.6+ 1.4- Y 961003 809 0.2+ 0.0 970423 118 0.0 0.4-
960425 809 0.3- 0.1+ 961004 809 0.3+ 0.0 970424 118 0.6- 0.1-
960425 809 0.0 0.2+ 961004 360 0.2+ 0.1+ 970424 118 1.5- 0.3+
960425 809 0.6- 0.4+ 961004 360 0.2- 0.0 970424 118 0.2+ 0.2-
960511 809 0.2+ 0.1+ 961004 360 0.3- 0.8+ 970424 118 0.6- 0.4+
960511 809 0.2- 0.0 961011 711 0.1+ 0.8+ 970426 861 0.1- 1.2-
960511 809 0.0 0.1- 961011 711 1.0+ 0.7+ 970427 861 0.8+ 0.5-
960511 809 0.3- 0.4- 961012 711 0.1- 0.3+ 970427 861 1.1- 1.1+
960512 809 0.3- 0.0 961012 711 0.8+ 1.0+ 970429 950 (4.4+ 0.4+)
960512 809 0.0 0.1- 961016 360 0.9+ 0.3- 970429 950 (4.6+ 0.6+)
960512 809 0.0 0.0 961016 360 0.1- 0.4- 970429 950 (4.4+ 0.6+)
960512 809 0.0 0.1- 961016 360 0.7+ 0.4- 970429 950 (4.5+ 0.5+)
960513 809 0.4+ 0.1+ 961101 809 0.5+ 0.1+ 970430 967 (5.9+ 0.3-)
960513 809 0.2+ 0.1- 961102 809 0.3+ 0.1+ 970430 967 1.1- 0.1+
960513 809 0.2+ 0.2- 961102 809 0.2+ 0.6+ 970501 967 1.8+ 0.2-
960513 809 0.2+ 0.3- 961103 809 0.5+ 0.1+ 970501 967 0.5- 0.1+
960613 568 0.3- 0.7+ 961104 809 0.1+ 0.3- 970501 967 (3.7+ 0.2+)
960613 568 0.2- 1.0+ 961104 809 0.1+ 0.3- 970501 967 0.2- 0.5-
960613 568 0.2- 0.7+ 961105 809 0.2+ 0.7- 970503 118 0.1+ 0.0
960613 568 0.0 0.5+ 961105 809 0.2+ 0.2- 970503 118 0.8+ 0.1-
960614 568 0.5- 0.8+ 961118 711 (2.1+ 0.6+) 970504 360 0.7- 0.2+
960614 568 0.1- 0.7+ 961118 711 1.8+ 0.9+ 970504 360 0.4- 0.1-
960615 675 0.4- 0.1+ 961203 360 1.9+ 0.2+ 970504 118 0.1- 0.2+
960615 675 0.3- 0.2+ 961203 360 (2.3+ 0.6+) 970504 118 0.2+ 0.1-
960615 675 0.4- 0.1+ 961205 711 (3.1+ 1.3+) 970509 950 (4.2+ 0.1+)
960615 675 0.4- 0.1+ 961205 711 (3.0+ 0.7+) 970509 950 (4.2+ 0.0 )
960615 675 0.3- 0.1- 961206 809 0.6+ 0.4- 970509 950 (4.0+ 0.0 )
960616 675 0.4- 0.2+ 961206 809 1.4- 1.2- 970509 950 (4.2+ 0.1+)
960616 675 0.2- 0.1+ 961206 897 (2.1+ 0.5-) 970509 950 (3.6+ 0.1+)
960616 675 0.3- 0.1+ 961206 897 (2.9+ 1.2-) 970509 950 (4.1+ 0.0 )
960617 675 0.6- 0.1+ 961206 897 1.9+ 1.9- 970509 950 (3.9+ 0.1+)
960617 675 0.6- 0.1+ 961207 809 0.3+ 0.4- 970509 950 (3.8+ 0.2+)
960617 675 0.5- 0.1- 961208 809 0.1- 0.3- 970509 950 (3.9+ 0.0 )
960617 675 0.5- 0.0 961208 809 0.9+ 0.3- 970509 950 (3.7+ 0.1+)
960618 809 0.0 0.5- 961209 809 0.2+ 0.3- 970509 950 (4.1+ 0.0 )
960618 809 0.0 0.2+ 961210 809 0.6+ 0.1- 970509 950 (3.6+ 0.1+)
960618 809 0.9- 0.4+ 961211 809 0.0 0.5- 970510 118 0.8+ 0.2+
960619 809 0.5+ 0.8- 961227 867 1.3+ 0.6+ 970510 118 0.7+ 0.1+
960619 809 0.7+ 0.7- 961227 867 1.3+ 1.3+ 970510 950 (4.3+ 0.0 )
960619 809 0.0 0.7- 961228 360 1.0- 1.3+ 970510 950 (4.1+ 0.1-)
960709 809 0.2+ 0.0 961228 360 1.1- 1.1+ 970510 950 (4.2+ 0.1+)
960709 809 0.4+ 0.1- 961230 897 (3.2+ 1.7+) 970510 950 (3.8+ 0.1-)
960710 809 0.3- 0.6+ 961230 897 (0.7+ 2.9+) 970510 950 (4.2+ 0.1-)
960710 809 0.3- 0.6+ 970103 897 1.1+ 0.1+ 970511 950 (3.9+ 0.6-)
960711 809 0.4+ 0.1+ 970103 897 1.2+ 1.0+ 970511 950 (4.5+ 0.5-)
960711 809 0.3- 0.0 970109 954 0.5+ 0.3+ 970511 950 (3.7+ 0.0 )
960712 809 0.3+ 0.1- 970109 954 0.2+ 0.2+ 970511 950 (4.5+ 0.0 )
960712 809 0.3+ 0.0 970109 954 0.7+ 0.5+ 970511 950 (4.0+ 0.2-)
960810 421 (2.1- 1.7-) 970110 954 0.7- 0.1+ 970512 950 (4.5+ 0.2-)
960810 360 0.3- 0.3- 970110 954 0.4+ 0.9+ 970512 950 (3.9+ 0.0 )
960810 360 0.9- 0.5- 970110 954 0.5- 0.6+ 970512 950 (4.1+ 0.2+)
960810 421 1.7- 1.8- 970110 954 (2.1- 0.2-) 970512 950 (4.6+ 0.5+)
960810 360 0.9- 0.6+ 970112 360 0.6+ 0.3+ 970514 711 0.4- 0.1+
960810 421 1.0- 1.3+ 970112 360 0.3+ 0.2+ 970514 711 0.5- 0.0
960817 568 0.6- 0.2- 970114 627 0.7+ 0.4- 970514 118 0.5- 0.1+
960817 568 0.7- 0.3- 970114 627 0.7+ 0.3+ 970514 118 0.7- 0.0
960817 568 0.8- 0.5- 970114 627 0.2+ 0.7+ 970517 118 0.1+ 0.4-
960817 568 0.7- 0.4- 970126 897 1.3+ 0.6+ 970517 118 0.6+ 0.3+
960817 568 0.6- 0.6- 970126 897 0.6+ 0.4- 970517 118 0.2+ 0.3-
960817 568 0.7- 0.5- 970126 897 0.1+ 0.6- 970518 897 1.5+ 0.7+
960818 809 1.2+ 0.4+ 970208 967 (3.6+ 3.9+) 970518 897 0.4- 0.3-
960818 809 0.4- 0.1- 970209 897 0.2- 0.3- 970519 118 0.0 0.3+
960819 809 0.8- 0.5- 970209 360 1.4- 0.4- 970519 118 1.1+ 0.1-
960819 809 0.0 0.1+ 970209 360 1.4- 0.5- 970519 118 0.3+ 0.3+
960819 360 0.4- 0.4- 970211 711 0.1+ 0.2- 970525 360 0.2- 0.0
960819 360 1.2- 0.2- 970211 711 0.1+ 0.4- 970525 360 0.1- 0.1+
960819 360 0.2- 0.9- 970212 950 (2.3- 0.1-) 970525 118 0.9+ 0.6+
960820 809 (2.2- 0.1-) 970212 950 1.8- 0.1- 970525 118 1.3+ 0.1+
960820 809 0.1- 0.2+ 970212 950 0.3- 0.3- 970528 897 1.9+ 1.0-
960821 809 0.5+ 0.7+ 970212 950 0.2+ 0.2- 970609 118 0.8+ 0.2-
960821 809 0.1+ 0.1+ 970212 950 0.1- 0.3- 970609 118 1.4+ 0.6-
960822 809 0.1+ 0.2- 970212 950 0.6- 0.3- 970627 118 (3.3+ 1.2-)
960822 809 0.2- 0.1- 970212 950 1.3- 1.3- 970627 118 (1.8+ 6.2-)
960823 809 0.3+ 0.1+ 970213 711 0.2+ 0.6- 971230 568 0.2- 0.5+
960823 809 0.0 0.4+ 970213 711 0.6+ 0.5- 990517 309 0.3- 0.2-
960910 809 0.1+ 0.0 970214 950 0.8- 0.5- 990517 309 0.8- 0.0
960910 809 0.7+ 0.3- 970214 950 1.2- 0.3- 990517 309 0.3- 0.0
960911 809 0.5+ 0.1- 970214 950 1.4- 1.1- 990517 309 0.7- 0.1-
960911 809 0.1+ 0.1- 970214 950 1.0- 1.2- 990517 309 0.2+ 0.7-
960912 809 0.7+ 0.2+ 970223 897 0.4+ 0.7- 990517 309 0.2- 0.6-
960912 809 0.6+ 0.2- 970223 897 0.2+ 0.9- 990517 309 0.3+ 0.4-
960913 809 (2.8- 0.4-) 970224 360 0.3- 1.0- 990517 309 0.2- 0.4-
960913 809 0.8+ 0.5- 970224 360 0.4- 0.7- 990517 309 0.2- 0.3-
960914 809 (2.7- 0.5-) 970302 057 (1.2+ 2.4+) 990517 309 0.3- 0.2-
960914 809 0.4+ 0.3+ 970305 897 0.1- 0.9- 990517 309 0.3- 0.3-
960915 809 (2.5- 0.2-) 970305 897 0.5+ 0.9- 990517 309 0.3- 0.1-
960915 809 0.3+ 0.2+ 970307 360 0.7- 0.1- 990517 309 0.6- 0.0
960916 809 0.9- 0.1- 970307 360 0.4- 0.1- 990517 309 0.8- 0.2-
960916 809 0.5+ 0.3- 970307 605 1.8+ 1.0+ 990517 309 0.1- 0.6-
960917 809 0.7+ 0.1- 970307 605 (2.2+ 0.1-) 990517 309 0.3+ 0.4-
960919 696 0.7+ 0.2- 970309 046 0.1- 0.4- 990517 309 0.4- 0.1+
960919 696 0.8+ 0.2- 970309 046 1.2- 0.6- 990517 309 0.2- 0.3-
960919 696 0.6+ 0.3- 970309 046 0.3- 0.7- 011209 309 1.0+ 0.4-
960919 711 (3.9- 1.1-) 970317 711 0.7+ 0.6- 011209 309 0.3+ 0.8-
960919 711 (3.1- 0.9-) 970317 711 0.8+ 0.5- 020623 413 0.1+ 0.2+
960920 711 (3.3- 0.5-) 970317 711 0.9+ 0.4- 020623 413 0.2- 0.3+
960920 711 (2.9- 0.7-) 970317 711 0.9+ 0.7- 020623 413 0.0 0.2+
960921 711 (3.4- 0.5-) 970322 605 (3.0+ 0.4+) 020623 413 0.2- 0.2+
960921 711 (3.5- 0.3-) 970322 605 (2.8+ 0.4-) 020623 413 0.3- 0.4+
960922 711 (4.3- 0.0 ) 970322 605 1.3+ 0.1+ 020623 413 0.4- 0.6+
960922 711 (3.1- 0.2-) 970423 897 0.5- 0.5-
Ephemeris:
46P/Wirtanen
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2
2002 06 15 02 41.64 +07 14.0 1.960 1.418 44.0 29.9 12.7 21.5
2002 06 25 03 16.33 +10 12.6 1.863 1.340 44.4 32.0 12.3 21.3
2002 07 05 03 53.86 +13 05.0 1.781 1.268 44.1 33.9 11.8 21.2
2002 07 15 04 34.25 +15 42.9 1.717 1.202 43.4 35.5 11.4 21.0
2002 07 25 05 17.26 +17 56.5 1.671 1.146 42.3 36.6 11.0 20.9
2002 08 04 06 02.33 +19 35.9 1.644 1.102 41.0 37.2 10.7 20.8
2002 08 14 06 48.53 +20 33.3 1.634 1.073 39.7 37.1 10.5 20.7
2002 08 24 07 34.67 +20 45.2 1.641 1.059 38.6 36.5 10.4 20.7
2002 09 03 08 19.60 +20 13.0 1.661 1.063 37.8 35.6 10.5 20.7
2002 09 13 09 02.34 +19 03.0 1.692 1.084 37.6 34.5 10.7 20.7
2002 09 23 09 42.24 +17 24.3 1.728 1.120 37.9 33.4 10.9 20.8
2002 10 03 10 19.04 +15 26.9 1.768 1.170 38.8 32.4 11.3 20.9
2002 10 13 10 52.73 +13 20.2 1.807 1.231 40.4 31.7 11.6 21.1
2002 10 23 11 23.46 +11 12.1 1.843 1.299 42.6 31.2 12.0 21.2
2002 11 02 11 51.47 +09 08.2 1.875 1.374 45.5 31.0 12.4 21.4
2002 11 12 12 16.96 +07 13.2 1.898 1.454 48.9 30.9 12.8 21.5
2002 11 22 12 40.13 +05 30.1 1.913 1.536 53.0 30.9 13.2 21.7
2002 12 02 13 01.10 +04 00.9 1.918 1.620 57.6 30.9 13.6 21.8
2002 12 12 13 19.92 +02 47.3 1.912 1.705 62.9 30.9 13.9 21.9
2002 12 22 13 36.56 +01 50.3 1.896 1.791 68.7 30.8 14.2 22.0
2003 01 01 13 50.97 +01 10.5 1.870 1.876 75.1 30.4 14.5 22.0
2003 01 11 14 02.95 +00 48.7 1.836 1.961 82.2 29.8 14.7 22.1
2003 01 21 14 12.32 +00 44.9 1.794 2.045 89.9 28.8 14.9 22.1
2003 01 31 14 18.84 +00 59.1 1.749 2.127 98.3 27.3 15.1 22.1
2003 02 10 14 22.21 +01 30.6 1.703 2.209 107.4 25.2 15.3 22.0
2003 02 20 14 22.25 +02 17.7 1.661 2.290 117.3 22.6 15.5 22.0
2003 03 02 14 18.90 +03 17.1 1.629 2.369 127.8 19.3 15.7 21.9
2003 03 12 14 12.30 +04 24.1 1.611 2.447 138.7 15.5 15.9 21.8
2003 03 22 14 02.99 +05 31.5 1.613 2.523 149.6 11.5 16.1 21.8
2003 04 01 13 51.87 +06 31.9 1.641 2.598 159.0 7.9 16.3 21.7
2003 04 11 13 40.07 +07 18.1 1.696 2.672 163.5 6.1 16.5 21.8
2003 04 21 13 28.80 +07 45.3 1.779 2.744 159.7 7.3 16.8 22.0
2003 05 01 13 19.02 +07 52.2 1.890 2.815 151.1 10.0 17.1 22.3
Brian G. Marsden (C) Copyright 2002 MPC M.P.E.C. 2002-M33
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