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Minor Planet Center

MPEC 2008-S82 : COMET C/2001 D1 = 2004 X7 = 2008 S2 (SOHO)

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M.P.E.C. 2008-S82                                Issued 2008 Sept. 27, 22:15 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://www.cfa.harvard.edu/iau/mpc.html  ISSN 1523-6714

                  COMET C/2001 D1 = 2004 X7 = 2008 S2 (SOHO)

Orbital elements:
Epoch 2001 Feb. 20.0 TT = JDT 2451960.5
T 2001 Feb. 18.76929 TT                                 MPC
q   0.0497691            (2000.0)            P               Q
n   0.25917568     Peri.  172.01612     +0.92644730     +0.36780456
a   2.4363512      Node   165.59316     -0.36070331     +0.92827596
e   0.9795723      Incl.   18.77895     -0.10764998     +0.05498683
P   3.80

Epoch 2004 Dec. 21.0 TT = JDT 2453360.5
T 2004 Dec. 7.82222 TT                                  MPC
q   0.0468929            (2000.0)            P               Q
n   0.26072165     Peri.  172.37524     +0.92690057     +0.36533688
a   2.4267106      Node   165.28015     -0.35971672     +0.93010349
e   0.9806763      Incl.   19.76669     -0.10704771     +0.03790075
P   3.78

Epoch 2008 Sept. 11.0 TT = JDT 2454720.5
T 2008 Sept. 17.95597 TT                                MPC
q   0.0466485            (2000.0)            P               Q
n   0.26080555     Peri.  172.40428     +0.92701288     +0.36496234
a   2.4261901      Node   165.26675     -0.35945669     +0.93029964
e   0.9807729      Incl.   19.83917     -0.10694864     +0.03667513
P   3.78
Residuals in seconds of arc
010218 249 (1.2+ 28.7+)Y  010218 249  1.8-  1.1+ Y  041207 249 13.3-  2.9- Y
010218 249 18.0+  2.4- Y  010218 249 14.9-  7.8- Y  041207 249  0.4+  7.4- Y
010218 249 18.6+ 15.6+ Y  010218 249(20.4- 11.8-)Y  041207 249  2.5-  5.8+ Y
010218 249(11.9+ 25.4-)Y  010218 249  6.9-  5.8- Y  041207 249  7.1+  9.7- Y
010218 249(10.6+ 21.5-)Y  010218 249 16.7-  1.8- Y  041207 249 17.8-  5.4- Y
010218 249 10.4+ 14.5- Y  010218 249  8.7-  0.2+ Y  041207 249  0.2+ 11.9- Y
010218 249  2.8+  7.4- Y  010218 249  0.0   5.7- Y  041207 249  9.5-  0.2- Y
010218 249  5.5+  3.6+ Y  010218 249(29.8-  2.5-)Y  041207 249  6.3-  4.3- Y
010218 249  0.3+  7.3- Y  010218 249 10.0- 11.3- Y  080917 249(23.6+  9.1-)Y
010218 249 12.9+ 12.7+ Y  010218 249  5.8- 12.1- Y  080917 249  5.3-  2.4- Y
010218 249  3.9+  0.8+ Y  010218 249  7.7-  4.2+ Y  080917 249(25.2+ 29.2+)Y
010218 249  1.5+  1.1- Y  010218 249 16.6-  7.4+ Y  080917 249(29.5+  7.0-)Y
010218 249 12.7+  6.1+ Y  010218 249  0.3+ 11.1- Y  080917 249(30.0+  0.6+)Y
010218 249  9.8+ 17.2+ Y  010218 249(27.1-  4.0-)Y  080917 249  8.4+  3.1- Y
010218 249  0.4-  3.4+ Y  010218 249  2.2+  2.7+ Y  080917 249  1.4+  6.2+ Y
010218 249  1.3+  2.5+ Y  010219 249 17.6-  5.9- Y  080917 249(30.8+ 15.2+)Y
010218 249 12.4-  6.2- Y  041207 249(75.4- 46.3-)Y  080918 249(21.4-  8.6+)Y
010218 249  8.3-  3.9+ Y  041207 249  4.3-  0.6+ Y  080918 249  0.9+  2.5- Y
010218 249  8.3+  9.2+ Y  041207 249(28.0- 14.0-)Y  080918 249  2.7+  4.9+ Y
010218 249  3.1+  1.4+ Y  041207 249  1.1- 11.7- Y  080918 249  5.6-  9.6+ Y
010218 249 14.7+  3.7+ Y  041207 249  8.3-  9.4- Y  080918 249  5.8- 10.7- Y
010218 249  3.8-  0.1- Y  041207 249  5.2+  1.6+ Y  080918 249  4.7+  5.4- Y
010218 249  0.0   2.7- Y  041207 249  0.6-  2.2+ Y  080918 249  6.1+  2.8+ Y
010218 249  0.6+  1.4- Y  041207 249  4.6+  4.3- Y  080918 249  7.1-  7.4+ Y

     The identification is by R. Kracht, and the above computation is based
on his work.  The observations, all obtained with the LASCO C2 coronagraph,
are on MPEC 2005-A40 and 2008-S81.  The object passed 1.29 AU from Jupiter on
2003 Oct. 14.

Brian G. Marsden             (C) Copyright 2008 MPC           M.P.E.C. 2008-S82

Read MPEC 2008-S81 Read MPEC 2008-S83


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