MPEC 2009-U67 : COMET C/2009 U3 (HILL)
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M.P.E.C. 2009-U67 Issued 2009 Oct. 22, 16:42 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 21.32407 03 50 08.41 +14 50 23.7 EU067703
CK09U030 C2009 10 21.33220 03 50 07.80 +14 50 30.0 17.6 T EU067703
CK09U030 C2009 10 21.34029 03 50 07.29 +14 50 37.3 EU067703
CK09U030 C2009 10 21.34841 03 50 06.61 +14 50 42.6 EU067703
CK09U030 C2009 10 21.39223 03 50 03.58 +14 51 22.2 EU067703
CK09U030 C2009 10 21.39784 03 50 03.19 +14 51 27.9 17.8 T EU067703
CK09U030 C2009 10 21.40352 03 50 02.79 +14 51 33.6 EU067703
CK09U030 C2009 10 21.40920 03 50 02.40 +14 51 36.9 EU067703
CK09U030 C2009 10 21.45433 03 49 59.24 +14 52 18.0 EU067703
CK09U030 C2009 10 21.46191 03 49 58.76 +14 52 25.7 18.0 T EU067703
CK09U030 C2009 10 21.46943 03 49 58.19 +14 52 31.5 EU067703
CK09U030 C2009 10 21.47702 03 49 57.66 +14 52 38.2 EU067703
CK09U030 C2009 10 21.59754 03 49 49.88 +14 54 24.5 18.7 T EU067900
CK09U030 C2009 10 21.60847 03 49 48.97 +14 54 33.3 18.0 T EU067900
CK09U030 C2009 10 21.61560 03 49 48.50 +14 54 39.9 18.9 T EU067900
CK09U030 C2009 10 21.65559 03 49 45.67 +14 55 22.9 19.6 T EU067E16
CK09U030 C2009 10 21.66025 03 49 45.34 +14 55 26.8 19.7 T EU067E16
CK09U030 C2009 10 21.66556 03 49 44.95 +14 55 30.4 18.8 T EU067E16
CK09U030 C2009 10 21.74152 03 49 39.59 +14 56 32.8 17.9 T EU067300
CK09U030 C2009 10 21.74690 03 49 39.21 +14 56 37.9 18.0 T EU067300
CK09U030 C2009 10 21.75221 03 49 38.82 +14 56 42.5 18.1 T EU067300
CK09U030 C2009 10 21.75748 03 49 38.47 +14 56 47.1 17.9 T EU067300
CK09U030 C2009 10 22.35594 03 48 56.50 +15 05 43.6 EU067703
CK09U030 C2009 10 22.36360 03 48 56.04 +15 05 52.4 EU067703
CK09U030 C2009 10 22.37119 03 48 55.34 +15 05 58.8 17.8 T EU067703
CK09U030 C2009 10 22.37893 03 48 54.78 +15 06 05.9 EU067703
CK09U030 C2009 10 22.40584 03 48 52.85 +15 06 30.1 19.8 T EU067926
CK09U030 C2009 10 22.40637 03 48 52.81 +15 06 29.8 18.5 T EU067G96
CK09U030 C2009 10 22.40821 03 48 52.68 +15 06 31.3 19.8 T EU067926
CK09U030 C2009 10 22.41056 03 48 52.51 +15 06 34.4 19.6 T EU067926
CK09U030 C2009 10 22.41615 03 48 52.05 +15 06 38.5 18.4 N EU067G96
CK09U030 C2009 10 22.42589 03 48 51.30 +15 06 47.3 18.2 N EU067G96
CK09U030 C2009 10 22.43562 03 48 50.65 +15 06 56.3 18.4 N EU067G96
CK09U030 C2009 10 22.44290 03 48 50.11 +15 07 02.8 18.2 T EU067G96
CK09U030 C2009 10 22.44390 03 48 50.00 +15 07 03.3 18.2 T EU067G96
CK09U030 C2009 10 22.44490 03 48 49.96 +15 07 04.5 18.4 T EU067G96
CK09U030 C2009 10 22.44588 03 48 49.86 +15 07 05.2 18.1 T EU067G96
CK09U030 C2009 10 22.48793 03 48 46.53 +15 07 45.2 EU067H06
CK09U030 C2009 10 22.48980 03 48 46.41 +15 07 46.4 18.3 T EU067H06
CK09U030 C2009 10 22.49168 03 48 46.33 +15 07 47.6 EU067H06
CK09U030 C2009 10 22.54938 03 48 42.82 +15 08 44.8 19.1 T EU067E16
CK09U030 C2009 10 22.55155 03 48 42.66 +15 08 46.7 19.4 T EU067E16
CK09U030 C2009 10 22.55367 03 48 42.53 +15 08 48.5 19.3 T EU067E16
CK09U030 C2009 10 22.57882 03 48 40.40 +15 09 08.0 19.9 T EU067F65
CK09U030 C2009 10 22.58018 03 48 40.32 +15 09 09.3 19.3 T EU067F65
Observer details:
300 Bisei Spaceguard Center--BATTeRS. Observers A. Asami, N. Hashimoto.
1.0-m f/3.0 reflector + CCD.
703 Catalina Sky Survey. Observer R. E. Hill. Measurers E. C. Beshore,
A. Boattini, A. R. Gibbs, A. D. Grauer, R. E. Hill, R. A. Kowalski,
S. M. Larson. 0.68-m Schmidt + CCD.
900 Moriyama. Observer Y. Ikari. 0.26-m f/7.0 reflector + CCD.
926 Tenagra II Observatory. Observers P. R. Holvorcem, M. Schwartz. Measurer
P. R. Holvorcem. 0.81-m f/7 Ritchey-Chretien + CCD.
E16 Grove Creek Observatory, Trunkey. Observers G. Sostero, E. Guido,
P. Camilleri. 0.35-m f/7 reflector + CCD.
F65 Haleakala-Faulkes Telescope North. Observer G. Privett. Measurer
R. Miles. 2.0-m f/10.0 Ritchey-Chretien + CCD.
G96 Mt. Lemmon Survey. Observer A. D. Grauer. 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.
H06 RAS Observatory, Mayhill. Observer H. Sato. 0.25-m f/3.4 reflector + CCD.
Orbital elements:
C/2009 U3 (Hill)
T 2010 Mar. 11.739 TT MPC
q 1.22986 (2000.0) P Q
Peri. 83.676 -0.418086 -0.707064
Node 48.951 +0.169050 -0.677416
e 1.0 Incl. 49.134 +0.892539 -0.202900
From 42 observations 2009 Oct. 21-22.
Ephemeris:
C/2009 U3 (Hill)
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2
2009 10 16 03 55.43 +13 36.4 1.561 2.429 142.5 14.5 17.8
2009 10 26 03 44.25 +16 02.8 1.381 2.320 154.8 10.5 17.4
2009 11 05 03 27.37 +19 01.9 1.230 2.211 168.3 5.2 16.9
2009 11 15 03 04.41 +22 30.3 1.115 2.102 174.4 2.6 16.5
2009 11 25 02 36.20 +26 14.3 1.040 1.995 159.5 10.0 16.1
2009 12 05 02 05.24 +29 53.2 1.004 1.889 143.4 18.1 15.8
2009 12 15 01 35.02 +33 11.2 1.002 1.786 128.1 25.7 15.5
2009 12 25 01 08.80 +36 07.1 1.024 1.686 114.2 32.1 15.3
Brian G. Marsden (C) Copyright 2009 MPC M.P.E.C. 2009-U67
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