MPEC 1999-J48: 1998 HR151
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M.P.E.C. 1999-J48 Issued 1999 May 15, 15:57 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.
BMARSDEN@CFA.HARVARD.EDU or GWILLIAMS@CFA.HARVARD.EDU
URL http://cfa-www.harvard.edu/iau/mpc.html ISSN 1523-6714
1998 HR151
Observations:
J98HF1R*1C1998 04 28.30076 12 50 44.80 -05 28 47.2 24.3 R 568
J98HF1R 1C1998 04 28.36758 12 50 44.49 -05 28 45.2 24.3 R 568
J98HF1R 1C1998 04 28.44050 12 50 44.18 -05 28 42.9 24.3 R 568
J98HF1R 1C1998 05 01.31256 12 50 32.51 -05 27 24.4 24.3 R 568
J98HF1R 1C1998 05 01.32418 12 50 32.45 -05 27 24.0 24.3 R 568
J98HF1R 1C1998 05 01.33580 12 50 32.40 -05 27 23.5 24.3 R 568
J98HF1R 1C1998 05 23.30442 12 49 17.43 -05 18 49.3 24.3 R 568
J98HF1R 1C1998 05 23.31606 12 49 17.40 -05 18 48.8 24.3 R 568
J98HF1R 1C1998 05 23.32769 12 49 17.35 -05 18 48.7 24.3 R 568
J98HF1R 1C1998 06 29.35264 12 48 32.56 -05 12 55.8 24.3 R 568
J98HF1R 1C1998 06 30.29242 12 48 32.98 -05 12 56.5 24.3 R 568
Observer details:
568 Mauna Kea. Observers J. Luu, C. Trujillo, D. Tholen, D. Jewitt. Measurer
C. Trujillo. 3.6-m Canada-France-Hawaii Telescope + CCD.
Orbital elements:
1998 HR151
Eccentricity assumed
Epoch 1998 May 27.0 TT = JDT 2450960.5 Marsden
M 0.09287 (2000.0) P Q
n 0.00321068 Peri. 359.68252 -0.96862626 +0.24679035
a 45.5062439 Node 194.70538 -0.22775942 -0.92867106
e 0.1224506 Incl. 6.62497 -0.09944255 -0.27688371
P 307 H 8.6 G 0.15
From 11 observations 1998 Apr. 28-June 30.
Ephemeris:
1998 HR151 a,e,i = 45.51, 0.12, 7 q = 39.934
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
1999 05 12 12 55.84 -05 48.7 39.112 39.936 144.2 0.8 24.7
1999 05 22 12 55.30 -05 45.0 39.220 39.936 134.4 1.0 24.7
1999 06 01 12 54.87 -05 42.1 39.349 39.936 124.7 1.2 24.8
1999 06 11 12 54.57 -05 39.9 39.495 39.936 115.1 1.3 24.8
1999 06 21 12 54.41 -05 38.6 39.653 39.936 105.5 1.4 24.8
1999 07 01 12 54.40 -05 38.3 39.818 39.936 95.9 1.5 24.8
1999 07 11 12 54.54 -05 38.9 39.986 39.936 86.4 1.5 24.8
1999 07 21 12 54.83 -05 40.5 40.153 39.936 77.0 1.4 24.8
1999 07 31 12 55.26 -05 42.9 40.313 39.936 67.5 1.3 24.8
1999 08 10 12 55.83 -05 46.2 40.463 39.936 58.1 1.2 24.8
1999 08 20 12 56.53 -05 50.3 40.597 39.937 48.7 1.1 24.8
1999 08 30 12 57.33 -05 55.0 40.713 39.937 39.3 0.9 24.8
Brian G. Marsden (C) Copyright 1999 MPC M.P.E.C. 1999-J48
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