MPEC 2008-U31 : 2008 UR
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M.P.E.C. 2008-U31 Issued 2008 Oct. 21, 16:01 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://www.cfa.harvard.edu/iau/mpc.html ISSN 1523-6714
2008 UR
Observations:
K08U00R* C2008 10 20.35019 01 55 18.87 +09 50 31.3 20.2 V EU031G96
K08U00R C2008 10 20.35546 01 55 21.90 +09 49 57.0 20.1 V EU031G96
K08U00R C2008 10 20.36056 01 55 24.81 +09 49 24.0 20.0 V EU031G96
K08U00R C2008 10 20.36563 01 55 27.76 +09 48 50.7 20.2 V EU031G96
K08U00R C2008 10 20.43486 01 56 08.52 +09 41 13.9 20.6 V EU031G96
K08U00R C2008 10 20.43545 01 56 08.88 +09 41 09.7 20.2 V EU031G96
K08U00R C2008 10 20.43604 01 56 09.27 +09 41 06.1 20.3 V EU031G96
K08U00R C2008 10 20.43665 01 56 09.63 +09 41 01.7 20.1 V EU031G96
K08U00R C2008 10 20.44270 01 56 13.27 +09 40 21.2 20.4 V EU031G96
K08U00R C2008 10 20.44329 01 56 13.66 +09 40 17.4 20.2 V EU031G96
K08U00R C2008 10 20.44390 01 56 13.99 +09 40 13.5 20.6 V EU031G96
K08U00R C2008 10 20.44451 01 56 14.35 +09 40 09.6 20.7 V EU031G96
K08U00R C2008 10 21.30705 02 06 35.38 +07 59 26.1 19.8 V EU031G96
K08U00R C2008 10 21.30754 02 06 35.71 +07 59 22.2 20.0 V EU031G96
K08U00R C2008 10 21.30802 02 06 36.03 +07 59 18.7 20.1 V EU031G96
K08U00R C2008 10 21.30849 02 06 36.36 +07 59 15.0 19.9 V EU031G96
K08U00R C2008 10 21.36929 02 07 16.75 +07 51 32.5 19.9 R EU031854
K08U00R C2008 10 21.37609 02 07 21.32 +07 50 41.3 19.9 R EU031854
K08U00R C2008 10 21.38287 02 07 25.94 +07 49 48.4 20.1 R EU031854
Observer details:
854 Sabino Canyon Observatory, Tucson. Observer J. E. McGaha. 0.36-m f/10.0
Schmidt-Cassegrain + CCD.
G96 Mt. Lemmon Survey. Observer A. R. Gibbs. Measurers E. C. Beshore,
A. Boattini, G. J. Garradd, A. R. Gibbs, A. D. Grauer, R. E. Hill,
R. A. Kowalski, S. M. Larson, R. H. McNaught. 1.5-m reflector + CCD.
Orbital elements:
2008 UR Earth MOID = 0.0198 AU
Epoch 2008 Nov. 30.0 TT = JDT 2454800.5 MPC
M 358.53407 (2000.0) P Q
n 0.65308311 Peri. 229.19395 +0.24991816 -0.96752391
a 1.3157006 Node 206.40594 +0.91206795 +0.24838224
e 0.2714950 Incl. 4.89211 +0.32507378 +0.04694417
P 1.51 H 27.0 G 0.15 U 7
Residuals in seconds of arc
081020 G96 0.0 0.1+ 081020 G96 0.2+ 0.2- 081021 G96 0.0 0.1+
081020 G96 0.1+ 0.1+ 081020 G96 0.1- 0.3- 081021 G96 0.2+ 0.1-
081020 G96 0.2- 0.2+ 081020 G96 0.4+ 0.1- 081021 854 0.2- 0.5-
081020 G96 0.2+ 0.0 081020 G96 0.2- 0.0 081021 854 0.2- 0.5+
081020 G96 0.2- 0.0 081020 G96 0.4- 0.2+ 081021 854 0.5+ 0.1-
081020 G96 0.1- 0.2- 081021 G96 0.2- 0.2+
081020 G96 0.4+ 0.1+ 081021 G96 0.1- 0.0
Ephemeris:
2008 UR a,e,i = 1.32, 0.27, 5 q = 0.9585
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2008 10 21 02 02.81 +08 38.8 0.0349 1.030 174.8 5.0 20.2
2008 10 22 02 15.70 +06 29.2 0.0323 1.027 171.6 8.1 20.2
2008 10 23 02 30.61 +03 56.3 0.0298 1.024 167.7 12.0 20.1
2008 10 24 02 47.88 +00 56.6 0.0276 1.021 163.0 16.6 20.1
2008 10 25 03 07.84 -02 31.8 0.0257 1.018 157.4 22.0 20.2
2008 10 26 03 30.79 -06 28.4 0.0241 1.015 151.0 28.3 20.2
2008 10 27 03 56.87 -10 48.0 0.0229 1.012 143.8 35.4 20.3
2008 10 28 04 25.93 -15 19.2 0.0222 1.010 136.0 43.1 20.4
2008 10 29 04 57.45 -19 45.0 0.0220 1.007 127.9 51.2 20.6
2008 10 30 05 30.43 -23 47.1 0.0223 1.004 119.8 59.1 20.9
2008 10 31 06 03.59 -27 11.1 0.0231 1.002 112.2 66.6 21.2
Timothy B. Spahr (C) Copyright 2008 MPC M.P.E.C. 2008-U31
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