MPEC 2002-K60 : 2001 HY7
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M.P.E.C. 2002-K60 Issued 2002 May 26, 18:45 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 HY7
Revision to MPEC 2001-H28
Observations:
K01H07Y C2002 05 21.36736 19 35 45.21 -07 54 39.4 20.3 R 649
K01H07Y C2002 05 21.37451 19 35 45.20 -07 54 29.5 19.7 R 649
K01H07Y C2002 05 21.38064 19 35 45.24 -07 54 20.9 20.1 R 649
K01H07Y C2002 05 26.36051 19 36 20.86 -05 46 57.9 20.1 R 649
K01H07Y C2002 05 26.38144 19 36 20.63 -05 46 23.4 20.1 R 649
K01H07Y C2002 05 26.38962 19 36 20.58 -05 46 08.7 19.7 R 649
Observer details:
649 Powell Observatory, Louisburg. Observers K. Smalley, R. Trentman. 0.75-m
Newtonian + CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc, reference and Delta-T
020521 649 18.3- 1.2+ 020526 649 21.0- 1.6+ MPO 16095 -0.00009 day
Orbital elements:
2001 HY7 PHA 0.036
Epoch 2002 May 6.0 TT = JDT 2452400.5 MPC
M 199.11514 (2000.0) P Q
n 1.12793261 Peri. 210.87777 +0.55425805 -0.83142489
a 0.9140023 Node 205.52545 +0.78099866 +0.53574547
e 0.4120492 Incl. 5.20923 +0.28781784 +0.14734125
P 0.87 H 20.5 G 0.15 U 5
Residuals in seconds of arc
010415 608 0.4+ 0.3- 010423 704 0.2+ 0.6+ 010424 704 0.3- 0.1+
010415 608 0.2- 0.3+ 010423 704 0.3+ 0.8- 010424 704 0.4+ 0.0
010415 608 0.2- 0.3+ 010423 670 0.6- 0.1+ 010424 704 0.0 0.2+
010418 704 0.0 0.0 010423 670 0.4- 0.7+ 010424 704 0.1+ 0.0
010418 704 0.1- 0.7+ 010423 704 1.2+ 0.5- 010429 118 0.3+ 0.1+
010418 704 0.5- 0.2+ 010423 704 0.1+ 0.0 010429 118 0.2- 1.0+
010418 704 0.4+ 0.4- 010423 649 0.2+ 0.2- 010429 118 0.7+ 0.6+
010418 704 0.2- 0.3- 010423 704 0.4- 0.2+ 010430 926 0.3- 0.3+
010421 704 0.3- 0.2+ 010423 704 0.6+ 0.8- 010430 926 0.1- 0.5+
010421 704 0.2- 0.5+ 010423 704 0.5+ 0.5+ 010430 926 0.4- 0.1+
010421 704 0.4- 0.0 010423 704 0.0 0.1- 010511 649 0.1+ 1.2-
010421 704 0.0 0.9- 010423 926 0.2- 0.6+ 010511 649 0.3- 0.3-
010421 704 0.3- 0.6- 010423 926 0.5+ 0.2- 010511 649 1.0- 1.2-
010421 704 1.7+ 0.4- 010423 919 0.2- 0.2+ 010525 658 1.9+ 0.7+
010421 704 0.2+ 1.0- 010423 649 0.7- 0.4+ 010525 658 0.4- 0.0
010421 704 0.5+ 0.1+ 010423 919 0.2+ 0.4- 010525 658 0.7- 0.2+
010421 704 0.7- 0.4- 010423 704 0.0 0.5+ 020521 649 0.3+ 0.4+
010422 402 0.2- 0.0 010423 919 0.4+ 0.4- 020521 649 0.7- 0.1+
010422 402 0.9- 0.4+ 010423 649 0.6- 0.8- 020521 649 0.9- 0.0
010422 402 0.2- 0.7+ 010423 046 0.9+ 0.1- 020526 649 0.1+ 0.6-
010422 402 1.0- 0.1+ 010423 046 0.4+ 0.7+ 020526 649 0.2+ 0.5-
010422 587 0.2- 1.2- 010423 046 0.4- 0.3+ 020526 649 0.9+ 0.7+
010422 587 1.3+ 0.5- 010423 046 0.5- 0.0
010423 704 0.4+ 0.5+ 010423 046 0.3- 0.0
Ephemeris:
2001 HY7 a,e,i = 0.91, 0.41, 5 q = 0.5374
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2002 05 26 19 36.35 -05 56.5 0.326 1.240 128.0 40.1 20.1
2002 05 31 19 35.36 -03 29.5 0.290 1.226 131.6 38.2 19.8
2002 06 05 19 32.22 -00 35.8 0.256 1.209 135.2 36.3 19.4
2002 06 10 19 26.31 +02 53.0 0.223 1.191 138.3 34.6 19.1
2002 06 15 19 16.72 +07 08.2 0.193 1.171 140.3 33.6 18.7
2002 06 20 19 02.12 +12 24.6 0.166 1.149 140.4 34.3 18.3
2002 06 25 18 40.34 +18 58.9 0.142 1.125 137.1 37.9 18.0
2002 06 30 18 07.73 +26 58.9 0.123 1.099 129.4 45.6 17.9
2002 07 05 17 18.71 +35 55.5 0.110 1.071 116.9 57.8 17.9
2002 07 10 16 07.56 +44 01.7 0.105 1.041 100.9 73.5 18.3
2002 07 15 14 37.74 +48 35.4 0.107 1.010 83.5 90.5 18.9
2002 07 20 13 09.34 +48 32.2 0.116 0.977 66.9 106.8 19.7
2002 07 25 11 59.77 +45 27.5 0.131 0.942 52.3 121.4 20.9
Gareth V. Williams (C) Copyright 2002 MPC M.P.E.C. 2002-K60
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