MPEC 2002-D40 : 2001 XR31
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M.P.E.C. 2002-D40 Issued 2002 Feb. 26, 15:03 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
2001 XR31
Revision to MPEC 2001-X69
Observations:
K01X31R S1994 04 06.74186 14 27 59.608-62 46 29.19 18.78 250
K01X31R s1994 04 06.74186 1 - 6154.4039 + 3278.2959 + 192.7719 250
K01X31R S1994 04 06.75344 14 27 57.518-62 46 47.46 250
K01X31R s1994 04 06.75344 1 - 5494.2678 - 3214.2967 - 2844.7345 250
Observer details:
250 Hubble Space Telescope. Observers E. Groth, WF/PC science team. Measurers
R. Evans and K. Stapelfeldt. 2.4-m reflector + CCD. These observations
were discussed by Evans et al., 1998, Icarus 131, 261-282 (Asteroid Trails
in Hubble Space Telescope-WFPC2 Images: First Results).
Orbital elements:
2001 XR31 PHA 0.010A
Epoch 2001 Oct. 18.0 TT = JDT 2452200.5 MPC
M 73.46827 (2000.0) P Q
n 0.44186883 Peri. 24.50951 +0.80828432 +0.48953328
a 1.7071583 Node 302.16584 -0.58356837 +0.59220762
e 0.4361352 Incl. 22.73569 -0.07825866 +0.64003696
P 2.23 H 16.5 G 0.15 U 4
Residuals in seconds of arc
940406 250 0.0 0.2+ 011219 704 0.4- 0.4+ 020114 113 0.0 0.9+
940406 250 0.0 0.1- 011219 644 0.3+ 0.1+ 020114 113 0.7- 0.8+
011213 704 0.6- 0.7+ 011219 644 0.0 0.3- 020114 113 0.6+ 0.3+
011213 704 0.7+ 0.8+ 011219 644 0.0 0.1- 020114 113 1.1+ 0.5-
011213 704 1.8- 1.1+ 011222 620 1.5- 0.7+ 020117 644 0.1+ 0.4+
011213 704 0.8- 1.0+ 011222 620 0.9+ 0.7+ 020117 644 0.1+ 0.2+
011214 704 0.4+ 0.4- 011222 620 1.8+ 0.2+ 020117 644 0.0 0.1+
011214 704 0.1+ 0.0 011228 620 1.0+ 0.0 020118 704 0.5+ 0.9+
011214 704 0.2- 0.2+ 011228 620 0.1- 0.8- 020118 704 0.7+ 0.6+
011214 704 0.4- 0.1+ 011228 620 0.1- 0.0 020118 704 0.5+ 0.2+
011214 704 0.4- 0.1- 020103 413 0.0 0.0 020120 699 0.2- 0.5-
011215 046 0.7- 0.5- 020103 413 0.3+ 0.2- 020120 699 0.5- 0.5-
011215 046 0.0 0.3+ 020103 413 0.2+ 0.0 020120 699 0.7- 0.4-
011215 046 0.2- 0.2- 020108 704 0.6- 0.2- 020120 699 0.2- 0.3+
011215 046 0.9+ 0.3+ 020108 704 1.0+ 0.4+ 020121 704 0.4+ 0.1+
011215 046 0.4+ 0.1- 020108 704 0.1+ 0.2+ 020121 704 0.1+ 1.5+
011217 704 0.0 0.4- 020108 704 0.2- 0.1+ 020121 704 1.0+ 0.7+
011217 704 0.0 0.3- 020111 699 0.4- 0.2+ 020121 704 0.9+ 0.7-
011217 704 0.5+ 0.8- 020111 699 0.1+ 0.2- 020121 704 1.3+ 0.3-
011217 704 0.3- 0.4- 020111 699 0.5- 0.0 020123 704 0.3+ 1.3-
011217 704 0.5- 2.2- 020111 699 0.1+ 0.0 020123 704 0.0 0.2-
011217 704 0.1- 0.5+ 020112 711 1.7- 0.1- 020123 704 0.1- 0.5-
011217 704 1.0+ 0.1+ 020112 711 1.1- 0.5- 020123 704 0.4- 0.8-
011217 704 1.2+ 1.3- 020112 711 0.7- 0.0 020123 704 0.6+ 1.1-
011217 704 0.1- 1.1- 020114 704 0.3- 0.7+ 020220 715 0.6- 0.6-
011219 704 0.1+ 0.5- 020114 704 0.2+ 0.7+ 020220 715 1.0- 0.0
011219 704 0.3+ 0.1+ 020114 704 0.2- 0.4+ 020220 715 1.2- 0.1+
011219 704 0.1- 0.4- 020114 704 0.5- 0.3+
011219 704 0.1- 0.2- 020114 704 0.5- 0.7+
Ephemeris:
2001 XR31 a,e,i = 1.71, 0.44, 23 q = 0.9626
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2002 02 25 07 03.50 +21 19.8 1.568 2.318 128.6 19.5 20.3
2002 03 07 07 00.87 +20 21.0 1.705 2.342 118.0 22.0 20.6
2002 03 17 07 01.86 +19 27.5 1.852 2.362 108.4 23.6 20.8
2002 03 27 07 05.85 +18 37.8 2.004 2.381 99.5 24.4 21.0
2002 04 06 07 12.24 +17 50.2 2.157 2.397 91.2 24.7 21.2
2002 04 16 07 20.56 +17 03.0 2.309 2.412 83.5 24.4 21.4
2002 04 26 07 30.40 +16 14.5 2.457 2.424 76.3 23.8 21.5
2002 05 06 07 41.44 +15 23.4 2.599 2.434 69.4 22.8 21.6
2002 05 16 07 53.42 +14 28.7 2.732 2.442 62.8 21.6 21.7
Gareth V. Williams (C) Copyright 2002 MPC M.P.E.C. 2002-D40
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