MPEC 2002-G64 : 2000 JF81
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M.P.E.C. 2002-G64 Issued 2002 Apr. 15, 21:03 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
2000 JF81
Revision to MPEC 2000-K31
Observations:
K00J81F C2002 03 15.16366 14 57 23.82 -15 32 36.5 23.7 R 950
K00J81F C2002 03 15.19673 14 57 23.72 -15 32 36.3 950
K00J81F C2002 03 15.23773 14 57 23.61 -15 32 35.8 23.6 R 950
K00J81F C2002 04 06.42633 14 56 14.45 -15 27 05.2 696
K00J81F C2002 04 06.45289 14 56 14.35 -15 27 04.5 696
K00J81F C2002 04 06.48315 14 56 14.23 -15 27 04.0 696
Observer details:
696 Whipple Observatory, Mt. Hopkins. Observers M. Holman, T. Grav. Measurer
M. Holman. 6.5-m reflector + CCD.
950 La Palma. Observer T. Grav. 2.6-m Nordic Optical Telescope + CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc and reference
020315 950 56.1+ 16.9- 020406 696 54.6+ 16.4- MPO 2782
Orbital elements:
2000 JF81
Epoch 2002 May 6.0 TT = JDT 2452400.5 MPC
M 286.76894 (2000.0) P Q
n 0.00316793 Peri. 128.82704 +0.62694942 +0.77905997
a 45.9147191 Node 179.99838 -0.72388900 +0.58255093
e 0.0883971 Incl. 1.74709 -0.28795684 +0.23173257
P 311 H 7.4 G 0.15 U 4
Residuals in seconds of arc
000506 809 0.4- 0.1+ 000627 950 0.2+ 0.1+ 020315 950 0.2- 0.1-
000506 809 0.1+ 0.1- 000627 950 0.0 0.1- 020406 696 0.0 0.1-
000506 809 0.3+ 0.1- 000628 950 0.1- 0.0 020406 696 0.0 0.1+
000506 809 0.3- 0.3+ 000628 950 0.3+ 0.3- 020406 696 0.0 0.1+
000507 809 0.1+ 0.3- 020315 950 0.2+ 0.1+
000626 950 0.3- 0.5+ 020315 950 0.1- 0.1-
Ephemeris:
2000 JF81 a,e,i = 45.91, 0.09, 2 q = 41.856
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2002 04 06 14 56.27 -15 27.2 44.223 45.091 149.8 0.6 24.0
2002 04 16 14 55.61 -15 24.2 44.145 45.088 159.8 0.4 24.0
2002 04 26 14 54.90 -15 21.0 44.096 45.086 169.7 0.2 24.0
2002 05 06 14 54.16 -15 17.7 44.076 45.084 178.7 0.0 23.9
2002 05 16 14 53.41 -15 14.4 44.085 45.082 170.4 0.2 23.9
2002 05 26 14 52.70 -15 11.3 44.123 45.080 160.7 0.4 24.0
2002 06 05 14 52.03 -15 08.4 44.188 45.077 150.9 0.6 24.0
2002 06 15 14 51.43 -15 05.9 44.279 45.075 141.2 0.8 24.0
2002 06 25 14 50.93 -15 03.9 44.392 45.073 131.5 1.0 24.1
2002 07 05 14 50.54 -15 02.3 44.525 45.071 121.9 1.1 24.1
2002 07 15 14 50.28 -15 01.4 44.673 45.068 112.3 1.2 24.1
2002 07 25 14 50.15 -15 01.1 44.831 45.066 102.7 1.3 24.1
2002 08 04 14 50.16 -15 01.4 44.996 45.064 93.2 1.3 24.1
2002 08 14 14 50.32 -15 02.3 45.163 45.062 83.6 1.3 24.1
2002 08 24 14 50.62 -15 03.9 45.326 45.059 74.1 1.2 24.1
2002 09 03 14 51.05 -15 06.0 45.481 45.057 64.6 1.2 24.1
2002 09 13 14 51.62 -15 08.7 45.625 45.055 55.0 1.0 24.1
2002 09 23 14 52.29 -15 11.9 45.752 45.053 45.4 0.9 24.1
2002 10 03 14 53.07 -15 15.5 45.858 45.050 35.8 0.7 24.1
Brian G. Marsden (C) Copyright 2002 MPC M.P.E.C. 2002-G64
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