MPEC 2008-U83 : 2008 UW91
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M.P.E.C. 2008-U83 Issued 2008 Oct. 29, 14:23 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 UW91
Observations:
K08U91W* C2008 10 28.17085 01 03 38.44 +23 47 15.1 21.1 V EU083G96
K08U91W C2008 10 28.17583 01 03 37.15 +23 47 07.8 21.4 V EU083G96
K08U91W C2008 10 28.18079 01 03 35.89 +23 46 58.8 21.1 V EU083G96
K08U91W C2008 10 28.18576 01 03 34.56 +23 46 51.0 20.2 V EU083G96
K08U91W C2008 10 28.24712 01 03 18.56 +23 45 11.1 20.2 R EU083H01
K08U91W C2008 10 28.24782 01 03 18.39 +23 45 10.0 20.3 R EU083H01
K08U91W C2008 10 28.24900 01 03 18.07 +23 45 08.0 20.4 R EU083H01
K08U91W C2008 10 28.25260 01 03 17.15 +23 45 02.2 20.2 R EU083H01
K08U91W C2008 10 28.25448 01 03 16.65 +23 44 59.0 20.5 R EU083H01
K08U91W C2008 10 28.31395 01 03 01.36 +23 43 20.8 22.1 V EU083G96
K08U91W C2008 10 28.31714 01 03 00.54 +23 43 15.9 21.8 V EU083G96
K08U91W C2008 10 28.32035 01 02 59.67 +23 43 10.4 21.6 V EU083G96
K08U91W C2008 10 28.32354 01 02 58.84 +23 43 05.5 21.4 V EU083G96
K08U91W HC2008 10 29.19778 00 59 19.36 +23 18 29.1 EU083291
K08U91W HC2008 10 29.20584 00 59 17.07 +23 18 17.3 EU083291
K08U91W C2008 10 29.29131 00 58 54.58 +23 15 49.4 20.1 R EU083H01
K08U91W C2008 10 29.29235 00 58 54.32 +23 15 47.6 20.3 R EU083H01
K08U91W C2008 10 29.29691 00 58 53.11 +23 15 39.5 20.4 R EU083H01
K08U91W C2008 10 29.29987 00 58 52.35 +23 15 34.3 20.0 R EU083H01
K08U91W C2008 10 29.30987 00 58 49.76 +23 15 17.5 21.2 V EU083G96
K08U91W C2008 10 29.31661 00 58 48.00 +23 15 05.6 20.9 V EU083G96
K08U91W C2008 10 29.32346 00 58 46.27 +23 14 53.5 20.9 V EU083G96
K08U91W C2008 10 29.33030 00 58 44.43 +23 14 41.6 20.7 V EU083G96
Observer details:
291 LPL/Spacewatch II. Observer T. H. Bressi. 1.8-m f/2.7 reflector + CCD.
G96 Mt. Lemmon Survey. Observers A. Boattini, E. Beshore. 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.
H01 Magdalena Ridge Observatory, Socorro. Observers W. H. Ryan, E. V. Ryan.
Measurer W. H. Ryan. 2.4-m f/8.9 reflector + CCD.
Orbital elements:
2008 UW91 PHA, Earth MOID = 0.0217 AU
Epoch 2008 Nov. 30.0 TT = JDT 2454800.5 MPC
M 307.76687 (2000.0) P Q
n 0.80943417 Peri. 283.05351 -0.98178878 -0.14860312
a 1.1402892 Node 248.49940 +0.18140569 -0.91834074
e 0.5736619 Incl. 7.30822 -0.05641610 -0.36683430
P 1.22 H 21.6 G 0.15 U 9
Residuals in seconds of arc
081028 G96 0.1- 0.4- 081028 H01 0.3- 0.2+ 081029 H01 0.0 1.0+
081028 G96 0.1- 0.3+ 081028 G96 0.6+ 0.1- 081029 H01 0.2- 0.9+
081028 G96 0.2+ 0.7- 081028 G96 0.7+ 0.3+ 081029 H01 0.0 0.9+
081028 G96 0.4- 0.5- 081028 G96 0.2+ 0.2+ 081029 G96 0.6- 0.8+
081028 H01 0.3- 0.2+ 081028 G96 0.1+ 0.6+ 081029 G96 0.5- 0.7+
081028 H01 0.1- 0.3+ 081029 291 1.4+ 2.0- 081029 G96 0.4+ 0.7+
081028 H01 0.3- 0.2+ 081029 291 1.0- 0.0 081029 G96 0.3- 0.8+
081028 H01 0.1- 0.3+ 081029 H01 0.2- 1.0+
Ephemeris:
2008 UW91 a,e,i = 1.14, 0.57, 7 q = 0.4861
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2008 10 21 01 31.77 +26 25.6 0.428 1.412 164.0 11.2 21.2
2008 10 31 00 51.63 +22 24.5 0.369 1.340 157.1 16.8 21.0
2008 11 10 00 08.64 +16 10.8 0.336 1.262 138.7 31.2 21.1
2008 11 20 23 30.12 +08 48.2 0.324 1.176 118.2 47.8 21.3
2008 11 30 22 59.15 +01 33.0 0.325 1.083 98.5 64.2 21.6
2008 12 10 22 33.65 -05 08.3 0.329 0.982 80.0 80.8 22.0
Timothy B. Spahr (C) Copyright 2008 MPC M.P.E.C. 2008-U83
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