MPEC 2002-J43 : 1998 HG49
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M.P.E.C. 2002-J43 Issued 2002 May 13, 14:03 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 HG49
Revision to MPEC 1998-J07
Observations:
J98H49G C2002 05 10.28618 15 09 00.08 -19 15 01.7 20.1 V 291
J98H49G C2002 05 10.30714 15 08 56.85 -19 15 07.1 20.0 V 291
J98H49G C2002 05 10.32925 15 08 53.44 -19 15 12.1 20.1 V 291
J98H49G HC2002 05 10.39955 15 08 42.63 -19 15 28.4 21.8 V 291
J98H49G HC2002 05 10.40410 15 08 41.94 -19 15 29.3 21.8 V 291
J98H49G HC2002 05 10.41215 15 08 40.66 -19 15 30.6 291
J98H49G C2002 05 11.21971 15 06 46.74 -19 18 45.0 20.3 V 291
J98H49G C2002 05 11.22570 15 06 45.82 -19 18 46.7 20.2 V 291
J98H49G C2002 05 11.23131 15 06 44.96 -19 18 48.0 20.3 V 291
J98H49G C2002 05 11.24734 15 06 42.35 -19 18 53.2 19.4 704
J98H49G C2002 05 11.26204 15 06 40.05 -19 18 57.3 19.6 704
J98H49G C2002 05 11.27669 15 06 37.86 -19 19 00.7 20.0 704
J98H49G C2002 05 11.29131 15 06 35.53 -19 19 05.3 19.6 704
J98H49G C2002 05 12.25381 15 04 16.55 -19 22 46.5 20.2 V 291
J98H49G C2002 05 12.25809 15 04 15.89 -19 22 47.6 20.2 V 291
J98H49G C2002 05 12.26268 15 04 15.17 -19 22 48.6 20.1 V 291
J98H49G C2002 05 12.95758 15 02 33.40 -19 25 29.9 246
J98H49G C2002 05 12.95883 15 02 33.30 -19 25 30.5 246
J98H49G C2002 05 12.96005 15 02 33.00 -19 25 30.0 246
J98H49G C2002 05 12.96128 15 02 32.86 -19 25 30.1 246
J98H49G C2002 05 12.96250 15 02 32.73 -19 25 31.7 246
J98H49G C2002 05 12.96502 15 02 32.33 -19 25 32.5 246
Observer details:
246 Klet Observatory-KLENOT. Observers J. Ticha, M. Tichy. 1.06-m KLENOT
telescope + CCD.
291 LPL/Spacewatch II. Observers M. Block, R. S. McMillan. 1.8-m Spacewatch
telescope.
704 Lincoln Laboratory ETS, New Mexico. Observers M. Blythe, F. Shelly,
M. Bezpalko, R. Huber, L. Manguso, S. Adams, J. Piscitelli. Measurers
J. Stuart, R. Sayer, J. B. Evans, H. Viggh. 1.0-m f/2.15 reflector + CCD.
Orbital elements:
1998 HG49
Epoch 2002 May 6.0 TT = JDT 2452400.5 MPC
M 226.35848 (2000.0) P Q
n 0.74916879 Peri. 323.99945 +0.98662433 -0.15458672
a 1.2006496 Node 44.98229 +0.16136783 +0.88127763
e 0.1125737 Incl. 4.19617 +0.02308358 +0.44660125
P 1.32 H 22.0 G 0.15 U 5
Residuals in seconds of arc
980427 691 0.7+ 0.2- 980503 696 0.2- 0.0 020511 704 1.4+ 0.3-
980427 691 0.2+ 0.1- 020510 291 0.4- 0.2+ 020511 704 0.6+ 1.4-
980427 691 0.6- 0.2+ 020510 291 0.3- 0.0 020512 291 0.4- 0.0
980428 691 0.2- 0.1+ 020510 291 0.2- 0.3+ 020512 291 0.3- 0.1-
980428 691 0.1- 0.3- 020510 291 0.2- 0.2- 020512 291 0.3- 0.1+
980430 691 0.2+ 0.3+ 020510 291 0.1- 0.1- 020512 246 0.4- 0.4+
980430 691 0.1- 0.2+ 020510 291 0.9- 0.3+ 020512 246 0.9+ 0.1+
980503 691 0.3- 0.4- 020511 291 0.3- 0.2+ 020512 246 0.7- 0.8+
980503 691 0.3+ 0.3+ 020511 291 0.3- 0.0 020512 246 0.0 1.0+
980503 691 0.7- 0.4- 020511 291 0.2- 0.2+ 020512 246 0.9+ 0.3-
980503 696 0.3+ 0.0 020511 704 0.3+ 0.0 020512 246 0.7+ 0.6-
980503 696 0.4+ 0.4+ 020511 704 0.1+ 0.5-
Ephemeris:
1998 HG49 a,e,i = 1.20, 0.11, 4 q = 1.0655
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2002 05 06 15 18.89 -18 56.0 0.294 1.301 173.0 5.5 20.4
2002 05 16 14 55.14 -19 35.7 0.281 1.289 171.7 6.5 20.3
2002 05 26 14 32.04 -20 04.7 0.281 1.276 157.0 18.1 20.7
2002 06 05 14 14.40 -20 31.6 0.292 1.262 143.6 28.5 21.1
2002 06 15 14 04.69 -21 07.6 0.312 1.246 132.1 37.2 21.5
2002 06 25 14 03.19 -22 00.6 0.335 1.230 122.6 44.1 21.8
2002 07 05 14 08.83 -23 10.8 0.360 1.213 114.8 49.6 22.1
Timothy B. Spahr (C) Copyright 2002 MPC M.P.E.C. 2002-J43
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