MPEC 2004-J76 : 2003 HF2
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M.P.E.C. 2004-J76 Issued 2004 May 15, 20:32 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.
Supported in part by the Steven and Michele Kirsch Foundation
Prepared using the Tamkin Foundation Computer Network
MPC@CFA.HARVARD.EDU
URL http://cfa-www.harvard.edu/iau/mpc.html ISSN 1523-6714
2003 HF2
Revision to MPEC 2003-H30
Additional Observations:
K03H02F tC2004 05 13.19179 09 27 16.95 +15 41 29.5 22.1 V EJ076291
K03H02F tC2004 05 13.19918 09 27 19.24 +15 41 19.7 22.0 V EJ076291
K03H02F tC2004 05 13.20654 09 27 21.46 +15 41 09.4 22.0 V EJ076291
K03H02F tC2004 05 13.21397 09 27 23.67 +15 41 00.2 21.8 V EJ076291
K03H02F tC2004 05 13.22138 09 27 26.06 +15 40 49.9 21.5 V EJ076291
K03H02F tC2004 05 13.22871 09 27 28.24 +15 40 40.5 21.9 V EJ076291
K03H02F tC2004 05 15.15153 09 37 03.13 +14 59 15.7 21.9 V EJ076291
K03H02F tC2004 05 15.15980 09 37 05.58 +14 59 03.6 22.2 V EJ076291
K03H02F tC2004 05 15.16719 09 37 07.56 +14 58 55.8 21.7 V EJ076291
Observer details:
291 LPL/Spacewatch II. Observers A. E. Gleason, M. Block. 1.8-m f/2.7
reflector + CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
040513 291 0.08+ 0.02- 040515 291 0.08+ 0.02- MPO 48369 -0.094 day
Orbital elements:
2003 HF2 PHA 0.041
Epoch 2004 July 14.0 TT = JDT 2453200.5 MPC
M 108.96776 (2000.0) P Q
n 0.83904466 Peri. 230.66442 +0.48649287 -0.87363307
a 1.1133012 Node 190.23809 +0.81711126 +0.45880702
e 0.6753603 Incl. 3.05865 +0.30927961 +0.16205361
P 1.17 H 19.4 G 0.15 U 6
Residuals in seconds of arc
030424 699 0.2+ 1.0+ 030427 474 0.6- 0.4- 030505 246 0.3+ 0.5+
030424 699 0.9- 0.8+ 030427 474 0.9+ 1.3- 030505 246 0.8+ 0.3+
030424 699 0.4+ 0.0 030427 474 0.1- 0.5- 030505 246 0.7+ 0.4+
030424 699 0.9+ 0.7+ 030427 474 0.8- 0.0 030505 246 0.2+ 0.3+
030424 246 0.1- 0.9+ 030428 941 0.6- 0.2+ 030505 246 0.6+ 0.1+
030424 246 0.4- 0.1+ 030428 941 0.5- 0.5+ 030505 246 1.0+ 0.2-
030424 246 0.0 0.7- 030428 941 0.3+ 0.6+ 030506 246 1.1- 1.1-
030424 246 0.3+ 0.4+ 030428 941 0.4+ 0.5+ 030506 246 0.9- 0.8+
030424 246 0.9+ 0.2- 030428 941 0.4+ 0.5+ 030506 246 0.3+ 1.5-
030424 246 1.4- 0.7- 030428 474 0.2- 0.4- 030520 673 0.1- 0.3-
030424 557 0.5- 0.3- 030428 474 0.4- 0.1- 030520 673 0.2+ 0.3-
030424 557 0.1- 0.4- 030428 474 0.3- 0.1- 030520 673 0.1+ 0.3-
030424 557 0.1+ 0.4- 030430 926 0.1+ 1.2+ 030520 673 0.1+ 0.5-
030424 557 0.6+ 0.1+ 030430 926 0.5- 1.1- 030520 673 0.5+ 0.4-
030424 557 0.9+ 0.6+ 030430 176 0.3- 0.4+ 030521 291 1.2- 0.2+
030425 854 1.5+ 1.3+ 030430 176 0.2+ 0.3- 030521 291 1.0- 0.3+
030425 854 0.9- 0.4- 030430 176 0.5+ 0.5- 030521 291 0.2- 0.0
030425 854 0.1+ 0.7- 030430 176 1.0+ 1.0- 030521 673 0.1+ 0.7-
030425 926 1.5- 1.3+ 030501 926 1.1- 1.6+ 030521 673 1.1+ 0.2-
030425 926 0.0 0.6+ 030501 926 0.4- 2.0+ 030521 673 0.5+ 0.1+
030425 926 1.1+ 1.6- 030501 926 0.1- 1.1+ 030521 673 0.4- 0.3+
030425 474 0.1- 0.1+ 030503 246 0.1- 0.2- 030521 673 0.2+ 0.4-
030425 474 0.1+ 0.0 030503 246 0.1+ 0.1- 040513 291 0.4- 0.3+
030425 474 0.5+ 0.4- 030503 246 0.3- 0.3- 040513 291 0.1+ 0.3+
030426 446 0.5- 0.6- 030503 246 0.3- 0.4- 040513 291 0.4- 0.3-
030426 446 0.8+ 0.4- 030504 561 0.5- 0.5+ 040513 291 1.3- 0.3+
030426 446 0.0 0.2- 030504 561 1.0+ 1.2- 040513 291 0.5+ 0.3-
030426 446 0.7+ 0.4- 030504 561 0.6- 0.1+ 040513 291 0.5- 0.0
030426 926 0.4- 1.5+ 030504 561 (2.2- 0.6+) 040515 291 0.4+ 0.0
030426 926 0.1+ 0.6+ 030504 561 0.0 0.4- 040515 291 1.7+ 1.5-
030426 926 0.3- 1.5- 030504 561 0.6+ 1.4+ 040515 291 0.2- 0.3+
030427 446 1.1- 0.6- 030505 246 0.1+ 0.1+
030427 446 0.7- 0.6- 030505 246 0.0 0.2+
Ephemeris:
2003 HF2 a,e,i = 1.11, 0.68, 3 q = 0.3614
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2004 05 15 09 36.32 +15 02.6 0.711 1.205 87.0 56.9 21.1
2004 05 25 10 18.08 +11 41.5 0.852 1.301 88.1 51.1 21.5
2004 06 04 10 50.22 +08 45.6 1.003 1.388 86.9 46.9 21.9
2004 06 14 11 16.62 +06 10.0 1.161 1.466 84.4 43.6 22.2
Kyle E. Smalley (C) Copyright 2004 MPC M.P.E.C. 2004-J76
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