MPEC 2002-O13 : 2001 OG109
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M.P.E.C. 2002-O13 Issued 2002 July 19, 02:56 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 OG109
Revision to MPEC 2001-T53
Observations:
K01OA9G 6C1999 07 19.35038 20 25 12.75 -19 32 18.4 23.8 R 568
K01OA9G 6C1999 07 19.37813 20 25 12.58 -19 32 18.9 24.2 R 568
K01OA9G 6C1999 07 19.40597 20 25 12.46 -19 32 19.6 24.2 R 568
K01OA9G 8C2002 07 07.34389 20 42 11.25 -18 28 48.5 24.1 R 695
K01OA9G 8C2002 07 07.38133 20 42 11.08 -18 28 49.1 24.7 R 695
K01OA9G 8C2002 07 07.41145 20 42 10.93 -18 28 49.7 24.2 R 695
Observer details:
568 Mauna Kea. Observers B. Gladman. J. Kavelaars, J.-M. Petit, M. Holman.
3.5-m Canada-France-Hawaii telescope + CCD.
695 Kitt Peak. Observers R. L. Allen, J. Kavelaars. 4.0-m reflector + CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc and reference
020707 695 21.0+ 7.7+ 990719 568 50.9- 16.5- MPO 20863
Orbital elements:
2001 OG109
Epoch 2002 May 6.0 TT = JDT 2452400.5 MPC
M 300.45372 (2000.0) P Q
n 0.00345915 Peri. 35.72239 +0.98997449 -0.14117551
a 43.3002010 Node 332.39247 +0.12724773 +0.90514978
e 0.0125752 Incl. 0.55266 +0.06130677 +0.40096553
P 285 H 8.2 G 0.15 U 4
Residuals in seconds of arc
990719 568 0.3+ 0.1+ 010727 568 0.2+ 0.1+ 010919 675 0.0 0.1+
990719 568 0.2- 0.1+ 010824 568 0.2- 0.5- 010919 675 0.2+ 0.3+
990719 568 0.0 0.1- 010824 568 0.0 0.3- 020707 695 0.1+ 0.1+
010726 568 0.2- 0.6+ 010824 568 0.1- 0.3- 020707 695 0.0 0.1+
010727 568 0.1+ 0.3+ 010825 568 0.1+ 0.4- 020707 695 0.2- 0.0
010727 568 0.2- 0.2+ 010825 568 0.1+ 0.5-
Ephemeris:
2001 OG109 a,e,i = 43.30, 0.01, 1 q = 42.756
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2002 07 15 20 41.62 -18 31.0 42.047 43.027 164.4 0.4 24.6
2002 07 25 20 40.84 -18 33.9 42.017 43.027 174.1 0.1 24.5
2002 08 04 20 40.05 -18 36.9 42.015 43.027 176.1 0.1 24.5
2002 08 14 20 39.26 -18 39.8 42.042 43.027 166.3 0.3 24.6
2002 08 24 20 38.52 -18 42.5 42.097 43.026 156.5 0.5 24.6
2002 09 03 20 37.84 -18 45.0 42.179 43.026 146.7 0.7 24.6
2002 09 13 20 37.25 -18 47.1 42.286 43.026 136.8 0.9 24.6
2002 09 23 20 36.77 -18 48.8 42.415 43.025 127.0 1.1 24.7
2002 10 03 20 36.43 -18 50.0 42.561 43.025 117.1 1.2 24.7
2002 10 13 20 36.23 -18 50.7 42.720 43.025 107.2 1.3 24.7
2002 10 23 20 36.19 -18 50.8 42.888 43.025 97.2 1.3 24.7
2002 11 02 20 36.31 -18 50.3 43.060 43.024 87.3 1.3 24.7
2002 11 12 20 36.59 -18 49.1 43.231 43.024 77.3 1.3 24.7
2002 11 22 20 37.03 -18 47.5 43.395 43.024 67.3 1.2 24.7
2002 12 02 20 37.61 -18 45.2 43.547 43.024 57.4 1.1 24.7
2002 12 12 20 38.33 -18 42.5 43.684 43.023 47.4 1.0 24.7
2002 12 22 20 39.16 -18 39.3 43.800 43.023 37.4 0.8 24.7
Brian G. Marsden (C) Copyright 2002 MPC M.P.E.C. 2002-O13
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