MPEC 1999-M31: 1998 SM165
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M.P.E.C. 1999-M31 Issued 1999 June 25, 19:34 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 SM165
Observations:
J98SG5M* C1998 09 16.38943 00 41 12.15 +02 35 47.5 22.1 V 691
J98SG5M C1998 09 16.41005 00 41 12.05 +02 35 46.5 22.2 V 691
J98SG5M C1998 09 16.43088 00 41 11.92 +02 35 46.0 22.1 V 691
J98SG5M C1998 09 24.34651 00 40 31.89 +02 30 44.7 21.8 V 691
J98SG5M C1998 09 24.36729 00 40 31.77 +02 30 43.9 21.7 V 691
J98SG5M C1998 09 24.38820 00 40 31.67 +02 30 43.0 21.6 V 691
Observer details:
691 Steward Observatory, Kitt Peak. Observer N. Danzl, for the
Spacewatch Outer Solar System Survey. 0.9-m Spacewatch telescope.
Orbital elements:
1998 SM165
The following assumed perihelic 2:3 Neptune-resonance orbital elements
keep the object more than 13 AU from Neptune over a 14 000-year period
Epoch 1998 Sept. 4.0 TT = JDT 2451060.5 Marsden
M 359.95194 (2000.0) P Q
n 0.00394002 Peri. 186.78332 +0.98443064 -0.17518024
a 39.7012306 Node 183.40855 +0.17051223 +0.97167545
e 0.1349044 Incl. 14.04493 +0.04268357 +0.15861494
P 250 H 6.5 G 0.15
From 6 observations 1998 Sept. 16-24.
Brian G. Marsden (C) Copyright 1999 MPC M.P.E.C. 1999-M31
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