MPEC 2001-B41: 2000 OY21
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M.P.E.C. 2001-B41 Issued 2001 Jan. 25, 20:14 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
2000 OY21
Revision to MPEC 2000-P14
Observations:
K00O21Y 1 1973 12 31.6450 08 39 04.67 -27 20 36.5 413
K00O21Y 1 1994 06 03.19931 13 49 58.74 +46 31 15.7 261
K00O21Y 1 1994 06 03.23750 13 49 57.52 +46 30 40.3 261
Observer details:
261 Palomar-DSS. Trail located and measured by DANEOPS (A. Gnadig). 1.2-m
Schmidt. Extremely faint trail.
413 Siding Spring. Trail located and measured by R. H. McNaught. 1.2-m
Schmidt. Start time uncertain, trail ends involved with stars.
First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
731231 413 0.49- 0.46- 940603 261 46.0- 15.2+ MPO 8476 +0.20 day
Orbital elements:
2000 OY21
Epoch 2001 Apr. 1.0 TT = JDT 2452000.5 Williams
M 38.83402 (2000.0) P Q
n 0.40004826 Peri. 301.36950 +0.30116366 -0.76539931
a 1.8241524 Node 119.78502 +0.93101101 +0.36498662
e 0.4017856 Incl. 40.94305 -0.20620121 +0.53004591
P 2.46 H 16.3 G 0.15 U 2
Residuals in seconds of arc
731231 413 0.1+ 0.1- 000802 474 0.6- 0.1- 000831 413 0.0 0.4-
940603 261 0.1- 1.2+ 000802 428 0.0 0.2- 000831 413 0.1+ 0.4-
940603 261 (1.2- 5.2+) 000802 428 0.3- 0.1- 000906 808 (0.1+ 2.0+)
000601 699 1.2- 0.6+ 000802 428 0.5- 0.6+ 000906 808 0.3- 1.8+
000601 699 1.1+ 1.3+ 000803 808 (0.2- 2.4+) 000919 413 0.0 0.5-
000601 699 1.4+ 0.2+ 000803 808 0.6- 0.5+ 000919 413 0.0 0.4-
000601 699 1.5+ 0.3+ 000803 711 0.2- 0.5+ 000919 413 0.1+ 0.4-
000705 699 0.8- 0.5- 000803 711 0.0 0.4+ 000920 413 0.0 0.5-
000705 699 0.4- 0.4- 000803 711 0.0 0.3+ 000920 413 0.0 0.5-
000705 699 0.2- 0.1- 000803 422 0.0 0.3- 000926 428 0.2+ 0.3-
000705 699 0.5- 0.1+ 000803 422 0.0 0.1- 000927 808 0.0 1.7+
000710 699 (0.6- 5.4-) 000803 422 0.1+ 0.2- 000927 808 0.4- 1.1+
000710 699 (0.7+ 5.5-) 000803 474 0.2+ 0.3- 000928 428 0.2+ 0.5-
000710 699 (0.5- 5.6-) 000803 474 0.1+ 0.1- 001003 428 0.4+ 0.5+
000710 699 (0.2- 5.1-) 000803 474 0.2+ 0.2- 001027 467 0.6- 1.3+
000728 413 0.2- 1.1- 000808 860 0.1+ 0.3+ 001027 467 0.4- 0.1+
000728 413 0.1- 0.1+ 000808 860 0.7+ 0.1+ 001027 467 0.5- 0.5+
000801 474 0.2+ 0.4- 000808 860 0.3+ 0.0 001206 467 0.4+ 0.3-
000801 474 0.0 0.2- 000810 413 0.1+ 0.3- 001206 467 0.1- 0.6+
000801 474 0.1+ 0.2- 000810 413 0.0 0.4- 001206 467 0.3- 0.1-
000801 474 0.1+ 0.3- 000810 413 0.1+ 0.4- 001223 428 0.4- 0.3+
000801 474 0.1- 0.4- 000820 860 1.1+ 0.2+ 001223 428 0.3- 0.5+
000801 474 0.4- 0.2- 000820 860 0.9+ 1.4- 001223 428 0.4- 0.0
000801 413 0.4+ 0.2+ 000820 860 0.9- 0.0 010122 704 0.8+ 0.1+
000801 413 0.0 0.3- 000822 860 0.1+ 0.2+ 010122 704 0.4+ 0.3+
000802 711 0.1- 0.4+ 000822 860 0.3+ 0.4- 010122 704 0.3+ 0.3+
000802 711 0.0 0.5+ 000827 808 0.3- 0.8+ 010122 704 0.5+ 0.1+
000802 711 0.1- 0.5+ 000827 808 1.1+ 0.4+ 010122 704 0.5+ 0.1-
000802 474 0.2- 0.1- 000831 413 0.1+ 0.3-
Ephemeris:
2000 OY21 a,e,i = 1.82, 0.40, 41 q = 1.0912
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2001 01 21 02 39.45 -26 30.1 0.605 1.127 86.9 60.7 17.6
2001 01 31 03 09.19 -11 38.8 0.606 1.156 90.0 58.4 17.6
2001 02 10 03 38.17 +02 47.4 0.644 1.193 91.5 55.8 17.8
2001 02 20 04 07.15 +15 09.1 0.718 1.235 91.3 53.2 18.0
2001 03 02 04 36.75 +24 50.5 0.819 1.282 89.7 50.6 18.3
2001 03 12 05 07.23 +32 04.1 0.937 1.333 87.3 48.1 18.6
2001 03 22 05 38.64 +37 17.5 1.066 1.386 84.4 45.7 18.9
2001 04 01 06 10.87 +40 56.9 1.201 1.441 81.3 43.3 19.2
2001 04 11 06 43.58 +43 22.4 1.337 1.496 78.1 40.9 19.4
2001 04 21 07 16.35 +44 48.9 1.474 1.552 74.8 38.7 19.6
2001 05 01 07 48.78 +45 27.6 1.610 1.608 71.7 36.5 19.8
2001 05 11 08 20.43 +45 27.2 1.742 1.663 68.5 34.4 20.0
2001 05 21 08 51.00 +44 54.7 1.871 1.717 65.4 32.4 20.2
2001 05 31 09 20.32 +43 55.9 1.996 1.770 62.4 30.5 20.4
Gareth V. Williams (C) Copyright 2001 MPC M.P.E.C. 2001-B41
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