MPEC 1997-U12: 1997 US2
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M.P.E.C. 1997-U12 Issued 1997 Oct. 26, 15:07 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
1997 US2
Observations:
J97U02S* C1997 10 23.42903 03 20 11.58 +14 24 38.7 20.3 V 691
J97U02S C1997 10 23.45217 03 20 09.30 +14 24 30.2 19.5 V 691
J97U02S C1997 10 23.47398 03 20 07.53 +14 24 21.8 20.6 V 691
J97U02S C1997 10 24.28330 03 18 57.60 +14 19 24.6 20.6 V 691
J97U02S C1997 10 24.28692 03 18 57.34 +14 19 19.3 658
J97U02S C1997 10 24.28925 03 18 57.03 +14 19 22.1 20.6 V 691
J97U02S C1997 10 24.29176 03 18 56.92 +14 19 17.5 658
J97U02S C1997 10 24.29639 03 18 56.43 +14 19 15.6 658
J97U02S C1997 10 24.29658 03 18 56.31 +14 19 19.5 20.3 V 691
J97U02S C1997 10 25.31138 03 17 22.31 +14 12 46.5 20.5 V 691
J97U02S C1997 10 25.31697 03 17 21.72 +14 12 44.6 20.9 V 691
J97U02S C1997 10 25.32349 03 17 21.14 +14 12 41.2 21.4 V 691
J97U02S C1997 10 25.48143 03 17 05.14 +14 11 38.3 20.5 V 691
J97U02S C1997 10 25.48707 03 17 04.57 +14 11 36.0 20.6 V 691
J97U02S C1997 10 25.49264 03 17 03.98 +14 11 33.1 20.1 V 691
Observer details:
658 Dominion Astrophysical Observatory. Observer D. D. Balam. 1.82-m
reflector + CCD.
691 Steward Observatory, Kitt Peak. Observer J. Montani. 0.9-m Spacewatch
telescope.
Orbital elements:
1997 US2
Epoch 1997 Oct. 19.0 TT = JDT 2450740.5 Williams
M 311.11942 (2000.0) P Q
n 0.45184763 Peri. 99.92676 -0.96874051 -0.24281496
a 1.6819305 Node 66.03489 +0.20019542 -0.88616711
e 0.6658087 Incl. 3.18814 +0.14650466 -0.39465015
P 2.18 H 20.0 G 0.15
From 15 observations 1997 Oct. 23-25.
Ephemeris:
1997 US2 a,e,i = 1.68, 0.67, 3 q = 0.5621
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
1997 10 19 03 25.63 +14 48.3 0.672 1.623 152.6 16.4 21.1
1997 10 24 03 19.37 +14 21.3 0.607 1.577 159.1 13.0 20.7
1997 10 29 03 10.83 +13 45.9 0.546 1.529 166.0 9.0 20.2
1997 11 03 02 59.68 +13 00.6 0.491 1.480 173.2 4.6 19.7
1997 11 08 02 45.65 +12 03.5 0.441 1.430 175.2 3.3 19.3
1997 11 13 02 28.52 +10 52.6 0.397 1.379 167.1 9.2 19.3
1997 11 18 02 08.25 +09 26.8 0.359 1.327 157.2 16.8 19.3
1997 11 23 01 44.95 +07 45.5 0.328 1.273 146.3 25.5 19.3
1997 11 28 01 19.04 +05 50.3 0.302 1.218 134.6 35.2 19.3
1997 12 03 00 51.14 +03 44.5 0.283 1.162 122.3 45.8 19.3
1997 12 08 00 21.87 +01 32.3 0.269 1.105 109.7 57.1 19.4
1997 12 13 23 51.60 -00 42.9 0.259 1.047 96.7 69.0 19.6
1997 12 18 23 20.32 -02 59.5 0.252 0.988 83.6 81.7 19.8
1997 12 23 22 47.74 -05 17.6 0.249 0.929 70.1 95.3 20.2
1997 12 28 22 13.45 -07 37.5 0.250 0.870 56.3 109.9 20.8
Gareth V. Williams (C) Copyright 1997 MPC M.P.E.C. 1997-U12
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