MPEC 1993-S13 : 1992 BB
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M.P.E.C. 1993-S13 Issued 1993 Sept. 24, 15:43 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 BB
Recovered 1993 Sept. 23 at Siding Spring.
Additional observations:
J92B00B C1993 09 23.56486 23 45 29.46 +19 58 29.0 413
J92B00B C1993 09 23.56757 23 45 29.29 +19 58 25.1 413
J92B00B C1993 09 23.57035 23 45 29.09 +19 58 21.3 413
J92B00B C1993 09 23.57434 23 45 28.67 +19 58 15.7 413
J92B00B C1993 09 23.57988 23 45 28.39 +19 58 06.8 413
J92B00B C1993 09 24.58572 23 44 18.50 +19 33 10.1 413
J92B00B C1993 09 24.58821 23 44 18.28 +19 33 06.1 413
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 BB
Epoch 1994 Feb. 17.0 TT = JDT 2449400.5 Williams
M 258.09122 (2000.0) P Q
n 0.38180806 Peri. 330.33751 -0.92881276 -0.32388868
a 1.8817965 Node 194.67319 +0.24697913 -0.90326572
e 0.2668860 Incl. 45.28681 -0.27623933 +0.28143768
P 2.58 H 15.5 G 0.15
Residuals in seconds of arc
920125 413 0.4+ 0.5+ 920212 413 0.2- 0.0 920524 413 0.3- 1.0+
920125 413 1.1- 0.8- 920212 413 0.2- 0.2- 920524 413 (0.3+ 2.8-)
920129 413 0.1+ 0.6- 920331 474 0.3+ 0.3- 930923 413 0.3+ 0.3-
920205 474 0.3- 0.2+ 920331 474 1.3+ 0.5+ 930923 413 0.6+ 0.2-
920205 474 1.1+ 1.1+ 920422 413 0.1- 0.5- 930923 413 0.6+ 0.1+
920211 413 0.1- 0.1+ 920422 413 0.0 0.7- 930923 413 1.2- 0.4+
920211 413 0.2- 0.1+ 920422 413 0.2- 0.7- 930923 413 0.4+ 0.3-
920211 413 0.1- 0.2+ 920423 413 0.3- 0.1+ 930924 413 0.1- 0.2+
920212 413 0.2- 0.0 920423 413 0.2+ 0.4+ 930924 413 0.7- 0.1-
Ephemeris:
1992 BB a,e,i = 1.88, 0.27, 45
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
1993 09 20 23 49.65 +21 24.0 1.404 2.363 157.5 9.4 18.7
1993 09 30 23 38.20 +17 13.8 1.384 2.355 161.4 7.8 18.6
1993 10 10 23 28.15 +12 44.0 1.397 2.346 156.1 9.9 18.7
1993 10 20 23 20.58 +08 18.2 1.443 2.335 145.8 13.9 18.9
1993 10 30 23 16.09 +04 16.9 1.517 2.322 134.3 17.8 19.2
1993 11 09 23 14.82 +00 52.0 1.613 2.308 123.1 21.1 19.4
1993 11 19 23 16.60 -01 52.6 1.725 2.293 112.5 23.5 19.6
1993 11 29 23 21.14 -03 58.4 1.848 2.277 102.6 25.0 19.8
1993 12 09 23 28.03 -05 29.7 1.974 2.259 93.5 25.8 19.9
1993 12 19 23 36.92 -06 31.5 2.101 2.240 84.9 25.9 20.0
Gareth V. Williams M.P.E.C. 1993-S13
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