MPEC 1994-P02 : 1989 QF
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M.P.E.C. 1994-P02 Issued 1994 Aug. 2, 12:30 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)
1989 QF
Recovered 1994 July 25 by R. H. McNaught at Siding Spring at a Delta-T of
-0.45 days from the prediction on MPC 23514.
Additional observations:
J89Q00F C1994 01 13.10041 02 41 45.75 +24 14 26.8 19.7 V 691
J89Q00F C1994 01 13.12084 02 41 45.44 +24 14 18.0 691
J89Q00F C1994 01 13.14233 02 41 45.12 +24 14 09.1 691
J89Q00F C1994 07 25.78773 02 31 47.53 +12 44 08.5 413
J89Q00F C1994 07 25.79150 02 31 47.58 +12 44 10.6 413
J89Q00F C1994 07 26.80902 02 32 04.24 +12 52 14.2 413
J89Q00F C1994 07 26.81261 02 32 04.29 +12 52 15.5 413
Observer details:
413 Siding Spring Observatory. Observers R. H. McNaught, G. J. Garradd.
Measurer R. H. McNaught. 1.0-m reflector + CCD.
691 Steward Observatory, Kitt Peak. Observer J. V. Scotti. 0.91-m Spacewatch
telescope.
Orbital elements:
1989 QF
Id. R. H. McNaught (1994 observations), G. V. Williams (1994 observations)
Epoch 1994 Sept. 5.0 TT = JDT 2449600.5 Williams
M 90.69680 (2000.0) P Q
n 0.79779078 Peri. 239.48095 -0.71450886 +0.69939668
a 1.1513571 Node 344.87258 -0.61605541 -0.64109777
e 0.4128042 Incl. 3.93892 -0.33159134 -0.31597140
P 1.24 H 18.0 G 0.15
Residuals in seconds of arc
890831 675 (2.7- 0.7-) 890908 675 0.4- 0.8+ 940113 691 0.6- 0.2+
890901 675 1.1- 0.1- 890908 675 1.2- 0.3- 940113 691 0.2- 0.0
890904 675 0.1+ 1.8- 890908 372 1.8+ 0.1- 940113 691 0.3+ 0.2+
890905 675 1.3- 2.0- 890908 372 (3.3- 1.0-) 940725 413 0.4- 0.2+
890905 675 2.3- 2.4+ 890923 413 2.4+ 1.3+ 940725 413 0.3- 0.5+
890907 413 1.5+ 0.3+ 890927 675 (3.8+ 0.5+) 940726 413 0.5+ 0.4+
890907 413 0.7+ 0.1- 890927 675 0.7- 1.7- 940726 413 0.8+ 0.0
890907 413 1.1+ 0.6+ 891021 413 0.5+ 0.6+
Ephemeris:
1989 QF a,e,i = 1.15, 0.41, 4 q = 0.6761
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
1994 07 17 02 28.75 +11 30.5 0.501 1.016 75.7 75.8 19.2
1994 07 27 02 32.11 +12 53.5 0.507 1.087 84.0 68.3 19.1
1994 08 06 02 33.24 +14 05.3 0.502 1.155 93.0 61.3 19.0
1994 08 16 02 30.16 +14 59.6 0.488 1.219 103.0 54.1 18.8
1994 08 26 02 21.14 +15 29.6 0.469 1.278 114.5 46.0 18.6
1994 09 05 02 04.80 +15 25.4 0.451 1.334 127.9 36.6 18.4
1994 09 15 01 40.95 +14 35.7 0.441 1.384 143.2 25.8 18.1
1994 09 25 01 12.04 +12 57.8 0.446 1.430 159.7 14.1 17.8
1994 10 05 00 42.75 +10 46.2 0.472 1.470 173.8 4.2 17.6
1994 10 15 00 18.07 +08 31.2 0.521 1.506 164.8 10.0 18.1
1994 10 25 00 00.77 +06 40.1 0.591 1.538 150.8 18.4 18.7
1994 11 04 23 51.04 +05 25.1 0.677 1.564 138.4 24.9 19.3
1994 11 14 23 47.89 +04 46.9 0.776 1.586 127.5 29.7 19.7
1994 11 24 23 49.93 +04 40.9 0.883 1.603 117.9 33.0 20.1
1994 12 04 23 55.94 +05 01.0 0.995 1.616 109.3 35.2 20.5
1994 12 14 00 05.03 +05 42.3 1.109 1.623 101.6 36.4 20.8
1994 12 24 00 16.49 +06 40.2 1.222 1.627 94.4 37.1 21.0
Gareth V. Williams M.P.E.C. 1994-P02
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