MPEC 2009-V18 : COMET C/2009 U3 (HILL)
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M.P.E.C. 2009-V18 Issued 2009 Nov. 6, 15:38 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 U3 (HILL)
Observations:
CK09U030 C2009 10 25.98563 03 44 18.16 +16 02 13.4 EV018204
CK09U030 C2009 10 26.05895 03 44 11.99 +16 03 24.4 18.6 N EV018204
CK09U030 C2009 10 26.83873 03 43 06.90 +16 16 02.6 17.8 N EV018585
CK09U030 C2009 10 26.84020 03 43 06.70 +16 16 02.5 17.9 N EV018585
CK09U030 C2009 10 26.84315 03 43 06.54 +16 16 06.1 17.6 N EV018585
CK09U030 C2009 10 27.00347 03 42 52.73 +16 18 44.1 18.5 N EV018473
CK09U030 C2009 10 27.00486 03 42 52.61 +16 18 45.6 18.5 N EV018473
CK09U030 C2009 10 27.04635 03 42 49.03 +16 19 27.3 18.6 N EV018160
CK09U030 C2009 10 27.04771 03 42 48.90 +16 19 29.1 19.4 N EV018160
CK09U030 C2009 10 27.04880 03 42 48.81 +16 19 30.8 19.5 N EV018160
CK09U030 C2009 10 30.94290 03 36 51.93 +17 25 28.0 18.3 N EV018213
CK09U030 C2009 10 30.94458 03 36 51.77 +17 25 29.6 18.3 N EV018213
CK09U030 C2009 11 05.34612 03 27 16.47 +19 03 47.3 18.0 N EV018H36
CK09U030 C2009 11 05.34920 03 27 16.11 +19 03 50.8 17.9 N EV018H36
CK09U030 C2009 11 05.35999 03 27 14.89 +19 04 02.4 18.2 N EV018H36
CK09U030 C2009 11 05.93397 03 26 08.58 +19 14 56.0 17.7 N EV018B74
CK09U030 C2009 11 05.94734 03 26 06.97 +19 15 10.7 17.3 N EV018B74
CK09U030 C2009 11 05.96142 03 26 05.32 +19 15 27.5 18.0 N EV018B74
Observer details:
160 Castelmartini. Observers P. Camilleri, E. Guido, M. Jaeger, E. Prosperi,
G. Sostero, W. Vollmann. Measurer E. Prosperi. 0.35-m f/10
Schmidt-Cassegrain + CCD.
204 Schiaparelli Observatory. Observer L. Buzzi. 0.38-m f/6.8 reflector
+ CCD.
213 Observatorio Montcabre. Observer R. Naves. Measurer M. Campas. 0.30-m
f/10 Schmidt-Cassegrain + CCD.
473 Remanzacco. Observers L. Donato, V. Gonano, E. Guido, V. Santini,
G. Sostero. 0.45-m f/4.4 Newtonian reflector + CCD.
585 Kiev comet station. Observers A. Baransky, K. Barinova. 0.7-m f/4
reflector + CCD.
B74 Santa Maria de Montmagastrell. Observer J. M. Bosch. 0.31-m f/4.9
Newtonian reflector + CCD.
H36 Sandlot Observatory, Scranton. Observer G. Hug. 0.56-m reflector + CCD.
Orbital elements:
C/2009 U3 (Hill)
T 2010 Mar. 20.019 TT MPC
q 1.41510 (2000.0) P Q
Peri. 77.601 -0.321632 -0.737943
Node 49.332 +0.209372 -0.666500
e 1.0 Incl. 51.461 +0.923426 -0.105910
From 119 observations 2009 Oct. 21-Nov. 5.
Ephemeris:
C/2009 U3 (Hill)
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2
2009 11 05 03 27.94 +18 57.3 1.348 2.328 168.2 5.0 17.3
2009 11 15 03 06.44 +22 15.5 1.241 2.228 174.9 2.3 16.9
2009 11 25 02 40.86 +25 44.1 1.174 2.131 160.6 8.9 16.6
2009 12 05 02 13.58 +29 06.3 1.147 2.036 145.3 16.0 16.4
2009 12 15 01 47.59 +32 10.5 1.153 1.943 130.6 22.6 16.2
2009 12 25 01 25.53 +34 56.3 1.184 1.854 117.3 28.1 16.0
2010 01 04 01 08.80 +37 32.4 1.229 1.769 105.7 32.4 15.9
2010 01 14 00 57.65 +40 09.3 1.281 1.691 95.7 35.4 15.8
2010 01 24 00 51.79 +42 56.7 1.331 1.619 87.4 37.4 15.7
Brian G. Marsden (C) Copyright 2009 MPC M.P.E.C. 2009-V18
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Read MPEC 2009-V19
