MPEC 1994-P01 : 1991 BY2 = 1994 OA
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M.P.E.C. 1994-P01 Issued 1994 Aug. 1, 15:52 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)
1991 BY2 = 1994 OA
1994 OA was discovered 1994 July 17 by R. H. McNaught at Siding Spring.
Available observations:
J94O00A* A1994 07 17.61384 20 45 39.92 -31 00 16.1 17 V 413
J94O00A A1994 07 17.67634 20 45 32.39 -30 59 24.9 413
J94O00A I 1994 07 20.81564 20 39 00.77 -30 13 25.7 413
J94O00A C1994 07 25.69004 20 28 21.47 -28 52 43.5 413
J94O00A C1994 07 25.69287 20 28 21.08 -28 52 40.4 413
J94O00A C1994 07 26.75823 20 25 57.40 -28 33 28.5 413
J94O00A C1994 07 26.76096 20 25 57.03 -28 33 25.5 413
Observer details:
413 Siding Spring Observatory. Observers Q. A. Parker, R. H. McNaught,
G. J. Garradd. Measurers R. H. McNaught, G. J. Garradd. UK Schmidt,
0.5-m Uppsala Southern Schmidt, 1.0-m reflector + CCD.
Orbital elements:
1991 BY2 = 1994 OA
Epoch 1994 Sept. 5.0 TT = JDT 2449600.5 Williams
M 334.97755 (2000.0) P Q
n 0.21928150 Peri. 75.55674 +0.75193912 -0.45013358
a 2.7235460 Node 308.56900 +0.02014566 +0.74594071
e 0.4670848 Incl. 38.02512 +0.65892467 +0.49086883
P 4.49 H 13.0 G 0.15
Residuals in seconds of arc
910116 327 0.4+ 1.1- 910209 675 0.1+ 1.0+ 940725 413 0.5+ 0.0
910116 327 1.6+ 1.0- 910209 675 2.9- 0.7+ 940725 413 0.5+ 0.1+
910119 675 0.6- 0.5+ 940717 413 2.7- 0.4+ 940726 413 0.8+ 0.2+
910122 675 0.3+ 0.8+ 940717 413 0.7+ 0.6- 940726 413 0.8+ 0.2+
910122 675 0.7+ 1.0- 940720 413 0.6- 0.4-
Ephemeris:
1991 BY2 a,e,i = 2.72, 0.47, 38 q = 1.4514
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
1994 07 27 20 25.42 -28 29.1 1.003 2.012 170.8 4.6 14.9
1994 08 06 20 02.76 -25 03.0 0.963 1.957 163.6 8.4 15.0
1994 08 16 19 41.95 -21 02.8 0.955 1.904 150.7 15.1 15.1
1994 08 26 19 25.42 -16 51.0 0.975 1.851 137.6 21.6 15.3
1994 09 05 19 14.29 -12 48.3 1.016 1.800 125.5 27.1 15.5
1994 09 15 19 08.72 -09 06.1 1.072 1.750 114.7 31.5 15.7
1994 09 25 19 08.20 -05 46.5 1.136 1.702 105.3 34.6 15.9
1994 10 05 19 12.01 -02 46.2 1.204 1.657 97.1 36.8 16.0
1994 10 15 19 19.52 +00 00.6 1.270 1.615 90.0 38.1 16.1
1994 10 25 19 30.17 +02 39.8 1.332 1.577 84.0 38.8 16.2
1994 11 04 19 43.54 +05 16.7 1.389 1.542 78.8 39.1 16.2
1994 11 14 19 59.39 +07 55.6 1.438 1.513 74.5 39.1 16.2
1994 11 24 20 17.51 +10 39.9 1.481 1.489 71.0 38.8 16.3
1994 12 04 20 37.85 +13 31.6 1.516 1.470 68.2 38.5 16.3
1994 12 14 21 00.44 +16 31.8 1.547 1.458 66.1 38.1 16.3
1994 12 24 21 25.34 +19 40.1 1.574 1.452 64.4 37.7 16.3
1995 01 03 21 52.70 +22 54.2 1.599 1.453 63.3 37.2 16.3
1995 01 13 22 22.66 +26 10.5 1.626 1.460 62.4 36.7 16.4
1995 01 23 22 55.29 +29 23.0 1.657 1.473 61.7 36.0 16.4
1995 02 02 23 30.62 +32 24.2 1.696 1.493 61.0 35.3 16.5
1995 02 12 00 08.43 +35 05.8 1.744 1.518 60.2 34.4 16.5
(Last issue was M.P.E.C. 1994-O06)
Gareth V. Williams M.P.E.C. 1994-P01
Read MPEC 1994-O06
Read MPEC 1994-P02
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- B01 (the abbreviated form)