MPEC 2002-J03 : 2001 HC
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M.P.E.C. 2002-J03 Issued 2002 May 1, 22:25 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
2001 HC
Revision to MPEC 2001-H13
Observations:
K01H00C 1C2002 04 23.72589 20 17 04.44 -44 22 32.1 413
K01H00C 1C2002 04 23.72751 20 17 04.74 -44 22 34.9 413
K01H00C 1C2002 04 23.72911 20 17 05.05 -44 22 37.5 413
K01H00C 1C2002 04 23.73070 20 17 05.34 -44 22 40.0 20.4 R 413
K01H00C 1C2002 05 01.80204 20 45 39.87 -48 08 47.0 413
K01H00C 1C2002 05 01.80365 20 45 40.29 -48 08 50.4 20.3 R 413
Observer details:
413 Siding Spring. Observer R. H. McNaught. 1.0-m f/8 reflector + CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc, reference and Delta-T
020423 413 13.3- 7.6- 020501 413 14.5- 11.5- MPO 15097 +0.0064 day
Orbital elements:
2001 HC
Epoch 2002 May 6.0 TT = JDT 2452400.5 MPC
M 210.05971 (2000.0) P Q
n 1.20494596 Peri. 28.15341 +0.50912738 -0.83279431
a 0.8746299 Node 32.66593 +0.69460455 +0.24844003
e 0.4992465 Incl. 23.74722 +0.50824584 +0.49470313
P 0.82 H 18.9 G 0.15 U 4
Residuals in seconds of arc
010416 704 0.4+ 0.4+ 010419 649 0.1- 0.3+ 010428 739 1.0- 0.4+
010416 704 0.0 1.0- 010419 649 0.2- 0.1+ 010428 739 1.5- 0.0
010416 704 0.4+ 0.3- 010419 322 0.7- 0.1+ 010428 739 1.2- 0.2+
010416 704 0.2+ 0.0 010419 322 0.5+ 1.0- 010428 952 0.6- 0.4+
010416 704 0.4+ 0.1+ 010419 322 0.3+ 0.1+ 010428 952 0.5+ 0.3+
010417 615 0.5- 0.5+ 010420 428 0.1- 0.1+ 010428 952 1.1+ 0.1+
010417 615 (0.4- 2.2-) 010420 428 0.0 0.2- 010428 071 (2.4+ 0.5+)
010417 615 (0.3- 2.1-) 010420 428 0.1+ 0.1- 010428 071 0.2- 0.4+
010417 615 (0.2- 2.2-) 010422 608 0.1- 0.3+ 010428 071 0.2+ 0.2+
010417 615 0.2- 0.9+ 010422 608 0.4- 0.2+ 010429 118 0.1- 0.3-
010417 854 1.7- 1.0- 010422 608 0.1+ 0.4+ 010429 118 0.6- 0.2+
010417 854 1.4- 0.0 010422 402 0.2+ 0.3- 010429 118 0.2- 0.1+
010417 704 0.1+ 0.2+ 010422 402 0.5+ 0.2- 010430 952 0.5+ 0.2+
010417 704 0.4+ 0.3+ 010422 402 0.2- 0.4- 010430 952 0.1- 0.3+
010417 704 0.1+ 0.6+ 010423 428 0.2- 0.3- 010430 952 0.8+ 1.7+
010417 704 0.7+ 0.5+ 010423 428 0.1- 0.7- 010430 071 1.3- 0.2-
010417 854 (3.1- 1.6-) 010423 428 0.2- 0.0 010430 071 (2.8+ 1.8-)
010417 854 0.9- 1.4- 010423 428 0.6- 0.7- 010430 071 0.9- 1.4-
010417 704 0.1- 0.7+ 010423 176 1.5+ 0.4- 010502 860 1.9+ 0.2+
010417 704 0.3+ 0.2+ 010423 176 1.0+ 0.0 010502 860 1.7+ 1.8-
010417 704 0.5+ 0.2- 010423 176 0.4+ 0.4+ 010509 608 (2.2- 0.4-)
010417 704 0.6+ 0.4+ 010423 595 0.2+ 0.1- 010509 608 0.2- 0.7-
010417 649 0.1+ 0.1+ 010423 595 0.1+ 0.6- 010509 608 0.5- 0.6-
010417 649 0.1- 0.0 010423 595 0.3+ 0.3- 010510 360 0.1- 0.1+
010417 649 0.1- 0.3+ 010423 595 0.2- 0.4- 010510 360 0.2- 0.0
010417 649 0.1+ 0.3+ 010424 739 0.4- 0.3- 010510 360 0.2- 0.0
010417 649 0.1+ 0.3+ 010424 739 0.3- 0.7- 010703 413 0.6- 0.1+
010417 919 0.0 0.1- 010424 739 0.9- 0.8- 010703 413 0.0 0.4+
010417 919 0.3+ 0.2- 010424 071 1.9+ 1.8+ 010703 413 0.1+ 0.2+
010417 926 0.3+ 0.4+ 010424 071 (2.7+ 1.1+) 010704 413 0.3+ 0.3+
010417 926 0.3+ 0.2+ 010424 071 0.4+ 1.3+ 010704 413 0.5+ 0.1-
010417 919 0.4- 0.7- 010425 118 0.2+ 0.3+ 020423 413 0.0 0.2+
010417 926 0.1+ 0.2+ 010425 118 0.1- 0.2+ 020423 413 0.1- 0.0
010417 422 0.0 0.2- 010426 649 0.3- 0.1- 020423 413 0.1- 0.0
010417 422 0.2- 0.3- 010426 649 0.1+ 0.0 020423 413 0.3- 0.0
010417 422 0.1- 0.2- 010426 649 0.3- 0.1+ 020501 413 0.1- 0.2+
010419 649 0.2- 0.2+ 010426 649 0.1+ 0.0 020501 413 0.5+ 0.3-
Ephemeris:
2001 HC a,e,i = 0.87, 0.50, 24 q = 0.4380
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2002 04 26 20 24.67 -45 23.7 0.705 1.302 97.5 50.0 20.6
2002 05 06 21 02.60 -50 15.9 0.629 1.284 100.8 50.5 20.3
2002 05 16 21 51.73 -55 38.1 0.560 1.258 102.7 51.6 20.0
2002 05 26 23 00.57 -60 51.6 0.502 1.224 102.4 53.9 19.8
2002 06 05 00 38.51 -64 17.3 0.458 1.179 99.4 58.1 19.7
2002 06 15 02 35.02 -63 30.8 0.428 1.126 93.5 64.2 19.6
2002 06 25 04 14.05 -57 48.4 0.411 1.063 85.0 72.3 19.6
2002 07 05 05 21.93 -48 44.0 0.407 0.989 74.6 82.1 19.8
2002 07 15 06 07.74 -37 44.2 0.415 0.906 62.9 93.1 20.1
2002 07 25 06 41.43 -25 23.4 0.436 0.813 50.7 104.8 20.5
Timothy B. Spahr (C) Copyright 2002 MPC M.P.E.C. 2002-J03
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