MPEC 1994-P03 : 1992 AB
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M.P.E.C. 1994-P03 Issued 1994 Aug. 2, 12:44 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.
MARSDEN@CFA or WILLIAMS@CFA (.HARVARD.EDU, .SPAN or .BITNET)
1992 AB
Recovered 1994 July 25 by R. H. McNaught at Siding Spring at a Delta-T of
< 0.01 days from the prediction on MPC 21977, confirming a single-night
observation from 1993.
Additional observations:
J92A00B C1993 07 01.73855 18 28 07.46 -32 50 34.1 413
J92A00B C1993 07 01.74166 18 28 07.23 -32 50 35.1 413
J92A00B pC1994 07 25.65250 20 59 53.57 -50 06 32.2 413
J92A00B C1994 07 25.65646 20 59 53.50 -50 06 34.3 413
Observer details:
413 Siding Spring Observatory. Observers R. H. McNaught, G. J. Garradd.
Measurer R. H. McNaught. 1.0-m reflector + CCD.
Orbital elements:
1992 AB
Id. R. H. McNaught (1993, 1994 observations)
Epoch 1994 Sept. 5.0 TT = JDT 2449600.5 Williams
M 145.32502 (2000.0) P Q
n 0.16558795 Peri. 55.69016 -0.61483915 -0.44249924
a 3.2843560 Node 88.91476 +0.31340372 -0.89668345
e 0.5528172 Incl. 40.76303 +0.72370639 +0.01237805
P 5.95 H 14.0 G 0.15
Residuals in seconds of arc
920101 675 (1.2- 3.5-) 920112 413 0.1+ 0.1+ 920304 801 0.0 0.9+
920101 675 0.9- 0.6- 920113 688 0.1+ 0.7+ 920313 658 0.4- 1.1+
920104 675 0.7+ 0.6- 920113 688 0.1+ 0.4+ 920313 658 0.3- 1.3+
920107 372 (3.5- 0.4-) 920203 801 0.5+ 0.7- 920728 658 0.1- 0.7+
920107 885 (5.2+ 2.7-) 920203 801 1.0+ 1.9- 920728 658 0.6- 0.5+
920107 885 1.8- 1.8+ 920204 675 0.2- 0.9- 920728 658 0.3- 0.1-
920109 894 (0.4+ 2.9-) 920205 675 (0.3- 2.9-) 930701 413 0.5+ 0.1-
920109 372 (3.1- 2.0-) 920205 675 1.4- 0.3- 930701 413 0.3+ 0.0
920110 688 0.5- 0.7+ 920206 801 0.1- 0.1- 940725 413 0.8- 1.1+
920110 688 0.5- 0.6+ 920206 801 0.1- 0.2- 940725 413 0.8+ 0.3+
920110 413 1.9+ 0.8- 920207 801 0.2- 0.1-
920111 413 0.9+ 0.2+ 920207 801 0.3- 0.1+
Ephemeris:
1992 AB a,e,i = 3.28, 0.55, 41 q = 1.4687
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
1994 07 27 20 58.58 -50 14.0 4.009 4.903 148.3 6.2 21.0
1994 08 06 20 48.55 -50 59.8 4.047 4.918 145.7 6.7 21.0
1994 08 16 20 38.67 -51 28.0 4.111 4.933 140.3 7.5 21.1
1994 08 26 20 29.68 -51 38.8 4.199 4.948 133.3 8.5 21.2
1994 09 05 20 22.17 -51 33.9 4.308 4.961 125.5 9.5 21.3
1994 09 15 20 16.59 -51 15.8 4.434 4.974 117.2 10.4 21.4
1994 09 25 20 13.13 -50 47.7 4.572 4.987 108.8 11.0 21.5
1994 10 05 20 11.83 -50 12.4 4.720 4.998 100.4 11.4 21.6
1994 10 15 20 12.60 -49 32.0 4.873 5.009 92.1 11.5 21.6
Gareth V. Williams M.P.E.C. 1994-P03
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