MPEC 2003-A69 : 1998 JH2
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M.P.E.C. 2003-A69 Issued 2003 Jan. 12, 05:19 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
1998 JH2
Revision to MPEC 1998-J09
Additional Observations:
J98J02H C2003 01 10.30161 08 06 02.64 +30 04 29.2 19.3 704
J98J02H C2003 01 10.31776 08 06 01.23 +30 04 34.7 19.7 704
J98J02H C2003 01 10.33378 08 05 59.80 +30 04 40.4 19.4 704
J98J02H C2003 01 10.34970 08 05 58.38 +30 04 44.7 19.5 704
J98J02H C2003 01 10.36575 08 05 57.07 +30 04 50.8 19.6 704
J98J02H IC2003 01 11.28539 08 04 38.78 +30 09 29.1 19.4 R 858
J98J02H C2003 01 11.29293 08 04 38.19 +30 09 32.4 19.4 R 858
J98J02H C2003 01 11.29675 08 04 37.88 +30 09 33.2 20.0 704
J98J02H C2003 01 11.30046 08 04 37.57 +30 09 35.1 19.1 R 858
J98J02H C2003 01 11.31302 08 04 36.38 +30 09 37.6 20.2 704
J98J02H C2003 01 11.32736 08 04 35.22 +30 09 42.5 19.9 704
J98J02H C2003 01 11.34165 08 04 33.97 +30 09 46.1 19.7 704
J98J02H C2003 01 12.02393 08 03 35.59 +30 13 07.7 246
J98J02H C2003 01 12.02492 08 03 35.51 +30 13 07.6 246
J98J02H C2003 01 12.02701 08 03 35.37 +30 13 07.5 246
J98J02H C2003 01 12.02807 08 03 35.22 +30 13 09.0 246
J98J02H C2003 01 12.11534 08 03 27.65 +30 13 34.1 557
J98J02H C2003 01 12.12815 08 03 26.47 +30 13 37.9 557
J98J02H C2003 01 12.13910 08 03 25.51 +30 13 41.3 557
Observer details:
246 Klet Observatory-KLENOT. Observers J. Ticha, M. Tichy. 1.06-m KLENOT
Telescope + CCD.
557 Ondrejov. Observer P. Kusnirak. 0.65-m f/3.6 reflector + CCD.
704 Lincoln Laboratory ETS, New Mexico. Observers M. Blythe, F. Shelly,
M. Bezpalko, R. Huber, L. Manguso, S. Adams, D. Torres, T. Brothers,
S. Partridge. Measurers J. Stuart, R. Sayer, J. Evans, P. Hopman. 1.0-m
f/2.15 reflector + CCD.
858 Tebbutt Observatory, Edgewood. Observer F. B. Zoltowski. 0.3 m f/3.3
Schmidt-Cassegrain + CCD.
Orbital elements:
1998 JH2
Epoch 2002 Nov. 22.0 TT = JDT 2452600.5 MPC
M 75.95005 (2000.0) P Q
n 0.31600278 Peri. 286.45680 +0.92252056 +0.37524718
a 2.1347259 Node 51.59489 -0.29535471 +0.83693167
e 0.4415618 Incl. 6.61344 -0.24843793 +0.39841554
P 3.12 H 16.7 G 0.15 U 5
Residuals in seconds of arc
980501 691 0.7- 0.3+ 980517 691 0.7+ 0.0 030111 858 0.6+ 0.7+
980501 691 1.0- 0.3+ 980517 691 0.2+ 0.3+ 030111 704 0.6- 0.7-
980501 691 0.3- 0.1- 980519 691 0.6- 0.1- 030111 704 0.6+ 0.1-
980502 691 0.1- 0.1+ 980519 691 0.3- 0.1- 030111 704 0.6+ 0.8-
980502 691 0.2+ 0.0 980519 691 0.4- 0.5- 030112 246 0.1- 0.1-
980502 691 0.2+ 0.1+ 030110 704 0.3+ 0.4- 030112 246 0.1- 0.5-
980503 691 1.2+ 0.2+ 030110 704 0.3+ 0.1+ 030112 246 0.5+ 1.2-
980503 691 0.7+ 0.1- 030110 704 0.1- 0.8+ 030112 246 0.2- 0.0
980503 691 0.3+ 1.2- 030110 704 0.5- 0.2+ 030112 557 0.1+ 0.1+
980504 696 0.0 0.3+ 030110 704 0.7+ 1.4+ 030112 557 0.8- 0.3+
980504 696 0.3- 0.5+ 030111 858 0.8- 0.7- 030112 557 1.0- 0.6+
980504 696 0.0 0.1+ 030111 858 0.1+ 0.3+
980517 691 0.2+ 0.0 030111 704 0.3+ 0.2-
Ephemeris:
1998 JH2 a,e,i = 2.13, 0.44, 7 q = 1.1921
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2003 01 11 08 05.05 +30 08.1 1.558 2.529 168.3 4.5 20.1
2003 01 21 07 50.87 +30 49.9 1.597 2.568 168.3 4.4 20.2
2003 01 31 07 37.81 +31 12.9 1.665 2.606 158.3 8.0 20.5
2003 02 10 07 27.25 +31 18.1 1.761 2.642 146.8 11.8 20.8
2003 02 20 07 19.97 +31 09.2 1.879 2.677 135.6 15.0 21.0
2003 03 02 07 16.17 +30 50.5 2.016 2.710 125.1 17.4 21.3
2003 03 12 07 15.70 +30 25.4 2.167 2.742 115.2 19.1 21.5
2003 03 22 07 18.17 +29 56.1 2.327 2.772 105.9 20.2 21.8
2003 04 01 07 23.12 +29 23.7 2.493 2.801 97.3 20.7 21.9
Brian G. Marsden (C) Copyright 2003 MPC M.P.E.C. 2003-A69
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