MPEC 2009-U100: COMET C/2009 U5 (GRAUER)
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M.P.E.C. 2009-U100 Issued 2009 Oct. 25, 22:53 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
COMET C/2009 U5 (GRAUER)
Observations:
CK09U050 C2009 10 23.45917 08 57 56.19 +18 02 13.0 19.4 T EU100G96
CK09U050 C2009 10 23.46462 08 57 56.37 +18 02 13.2 19.7 T EU100G96
CK09U050 C2009 10 23.47026 08 57 56.55 +18 02 13.6 19.6 T EU100G96
CK09U050 C2009 10 23.47609 08 57 56.66 +18 02 13.4 19.7 T EU100G96
CK09U050 C2009 10 23.50340 08 57 57.44 +18 02 14.4 19.5 T EU100G96
CK09U050 C2009 10 23.50428 08 57 57.51 +18 02 14.1 19.5 T EU100G96
CK09U050 C2009 10 23.50528 08 57 57.48 +18 02 14.2 19.6 T EU100G96
CK09U050 C2009 10 23.50625 08 57 57.52 +18 02 14.5 19.6 T EU100G96
CK09U050 C2009 10 24.42354 08 58 23.56 +18 02 39.2 19.9 N EU100926
CK09U050 C2009 10 24.43972 08 58 24.04 +18 02 38.5 18.9 N EU100926
CK09U050 C2009 10 24.45138 08 58 24.31 +18 02 39.5 19.0 N EU100H36
CK09U050 C2009 10 24.45244 08 58 24.27 +18 02 39.5 18.9 N EU100G96
CK09U050 C2009 10 24.45505 08 58 24.40 +18 02 38.7 18.6 R EU100H36
CK09U050 C2009 10 24.46140 08 58 24.56 +18 02 39.8 19.2 N EU100G96
CK09U050 C2009 10 24.47038 08 58 24.81 +18 02 39.8 19.4 N EU100G96
CK09U050 C2009 10 24.47933 08 58 25.03 +18 02 40.4 19.4 N EU100G96
CK09U050 C2009 10 24.51865 08 58 26.20 +18 02 41.4 19.4 T EU100H01
CK09U050 C2009 10 24.52056 08 58 26.25 +18 02 41.5 19.3 T EU100H01
CK09U050 C2009 10 24.52189 08 58 26.29 +18 02 41.3 19.3 T EU100H01
CK09U050 C2009 10 24.52271 08 58 26.33 +18 02 41.5 19.5 T EU100H01
CK09U050 C2009 10 24.52413 08 58 26.36 +18 02 41.5 19.5 T EU100H01
CK09U050 C2009 10 25.13557 08 58 43.45 +18 02 58.5 EU100B33
CK09U050 C2009 10 25.14164 08 58 43.60 +18 02 58.8 18.5 N EU100B33
CK09U050 C2009 10 25.41433 08 58 51.20 +18 03 07.2 19.7 T EU100H01
CK09U050 C2009 10 25.42016 08 58 51.32 +18 03 07.4 19.3 T EU100H01
CK09U050 C2009 10 25.42635 08 58 51.50 +18 03 07.7 19.4 T EU100H01
CK09U050 C2009 10 25.43167 08 58 51.67 +18 03 07.9 19.6 T EU100H01
Observer details:
926 Tenagra II Observatory. Observers P. R. Holvorcem, M. Schwartz. Measurer
P. R. Holvorcem. 0.81-m f/7 Ritchey-Chretien + CCD.
B33 Libbiano Observatory, Peccioli. Observers P. Bacci, R. Emilio. Measurer
P. Bacci. 0.5-m f/8 Ritchey-Chretien + CCD.
G96 Mt. Lemmon Survey. Observers A. D. Grauer, A. Boattini. Measurers
E. C. Beshore, A. Boattini, A. R. Gibbs, A. D. Grauer, R. E. Hill,
R. A. Kowalski, S. M. Larson. 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.
H36 Sandlot Observatory, Scranton. Observer G. Hug. 0.56-m reflector + CCD.
Orbital elements:
C/2009 U5 (Grauer)
T 2010 Aug. 23.034 TT MPC
q 0.57126 (2000.0) P Q
Peri. 139.324 -0.060019 +0.797257
Node 118.302 -0.996818 -0.079494
e 1.0 Incl. 43.016 +0.052458 -0.598382
From 27 observations 2009 Oct. 23-25.
Ephemeris:
C/2009 U5 (Grauer)
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2
2009 10 16 08 54.13 +18 00.8 4.762 4.549 71.7 12.0 20.0
2009 10 26 08 59.12 +18 03.5 4.496 4.442 80.5 12.8 19.7
2009 11 05 09 03.15 +18 12.7 4.225 4.333 89.6 13.2 19.5
2009 11 15 09 06.01 +18 30.2 3.953 4.224 99.1 13.4 19.2
2009 11 25 09 07.44 +18 58.1 3.684 4.113 109.0 13.1 19.0
2009 12 05 09 07.18 +19 38.0 3.425 4.001 119.4 12.4 18.7
2009 12 15 09 04.95 +20 31.7 3.179 3.888 130.2 11.1 18.4
2009 12 25 09 00.45 +21 39.9 2.952 3.773 141.6 9.3 18.1
Brian G. Marsden (C) Copyright 2009 MPC M.P.E.C. 2009-U100
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