MPEC 2009-F34 : COMET C/2009 F1 (LARSON)
The following Minor Planet Electronic Circular may be linked-to from your own Web pages, but must not otherwise be redistributed electronically.
Read MPEC 2009-F33
Read MPEC 2009-F35
M.P.E.C. 2009-F34 Issued 2009 Mar. 19, 15:37 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 F1 (LARSON)
Observations:
CK09F010 C2009 03 16.43134 13 08 44.16 -04 25 33.2 19.0 T EF034G96
CK09F010 C2009 03 16.43881 13 08 41.85 -04 25 21.7 19.4 T EF034G96
CK09F010 C2009 03 16.44635 13 08 39.58 -04 25 09.4 19.4 T EF034G96
CK09F010 C2009 03 16.45390 13 08 37.28 -04 24 57.9 19.6 T EF034G96
CK09F010 C2009 03 16.97272 13 06 00.00 -04 11 17.8 19.4 T EF034B04
CK09F010 C2009 03 16.98239 13 05 57.01 -04 11 02.5 19.5 T EF034B04
CK09F010 C2009 03 16.99214 13 05 53.98 -04 10 47.0 19.8 T EF034B04
CK09F010 C2009 03 16.99672 13 05 52.61 -04 10 39.9 19.5 T EF034B33
CK09F010 C2009 03 17.00284 13 05 50.65 -04 10 29.9 19.7 T EF034B33
CK09F010 C2009 03 17.00895 13 05 48.79 -04 10 20.8 19.3 T EF034B33
CK09F010 C2009 03 17.02631 13 05 43.46 -04 09 52.8 EF034J95
CK09F010 C2009 03 17.03221 13 05 41.65 -04 09 43.7 EF034J95
CK09F010 C2009 03 17.03811 13 05 39.83 -04 09 33.6 19.4 N EF034J95
CK09F010 C2009 03 17.25947 13 04 31.88 -04 03 37.8 19.3 T EF034H36
CK09F010 C2009 03 17.26411 13 04 30.44 -04 03 30.1 19.8 T EF034H36
CK09F010 C2009 03 17.26828 13 04 29.10 -04 03 24.2 19.7 T EF034H36
CK09F010 C2009 03 17.32156 13 04 12.68 -04 01 57.0 19.3 N EF034854
CK09F010 C2009 03 17.32540 13 04 11.47 -04 01 49.9 19.5 N EF034854
CK09F010 C2009 03 17.32796 13 04 10.54 -04 01 47.4 19.4 T EF034H55
CK09F010 C2009 03 17.32923 13 04 10.35 -04 01 44.6 19.7 N EF034854
CK09F010 C2009 03 17.33086 13 04 09.70 -04 01 42.7 19.5 T EF034H55
CK09F010 C2009 03 17.33373 13 04 08.76 -04 01 38.4 19.2 T EF034H55
CK09F010 C2009 03 17.35339 13 04 02.82 -04 01 05.4 19.0 T EF034G96
CK09F010 C2009 03 17.35690 13 04 01.90 -04 01 00.5 19.6 N EF034673
CK09F010 C2009 03 17.35856 13 04 01.23 -04 00 56.5 EF034673
CK09F010 C2009 03 17.36388 13 03 59.54 -04 00 48.9 18.7 T EF034G96
CK09F010 C2009 03 17.36563 13 03 59.05 -04 00 46.0 EF034673
CK09F010 C2009 03 17.37176 13 03 56.90 -04 00 34.3 EF034673
CK09F010 C2009 03 17.38461 13 03 53.06 -04 00 15.2 19.3 T EF034G96
CK09F010 C2009 03 17.39841 13 03 48.74 -03 59 52.7 19.4 T EF034G96
CK09F010 C2009 03 17.39911 13 03 48.56 -03 59 52.0 19.5 T EF034G96
CK09F010 C2009 03 17.40461 13 03 46.83 -03 59 43.1 19.7 T EF034G96
CK09F010 C2009 03 17.40529 13 03 46.62 -03 59 42.0 19.1 T EF034G96
CK09F010 C2009 03 17.41082 13 03 44.89 -03 59 33.0 19.4 T EF034G96
CK09F010 C2009 03 17.41153 13 03 44.71 -03 59 31.6 19.6 T EF034G96
CK09F010 C2009 03 17.41696 13 03 42.98 -03 59 22.7 19.5 T EF034G96
CK09F010 C2009 03 17.41764 13 03 42.76 -03 59 21.8 19.4 T EF034G96
CK09F010 C2009 03 17.92244 13 01 05.61 -03 45 39.2 EF034B18
CK09F010 C2009 03 17.92350 13 01 05.29 -03 45 37.6 EF034B18
CK09F010 C2009 03 17.92463 13 01 04.93 -03 45 35.4 EF034B18
CK09F010 C2009 03 18.01013 13 00 38.29 -03 43 16.3 EF034J41
CK09F010 C2009 03 18.04456 13 00 27.36 -03 42 19.6 EF034J41
CK09F010 C2009 03 18.08554 13 00 14.49 -03 41 12.9 EF034J41
CK09F010 C2009 03 18.27845 12 59 13.74 -03 35 50.7 19.5 T EF034G96
CK09F010 C2009 03 18.27913 12 59 13.48 -03 35 49.6 19.1 T EF034G96
CK09F010 C2009 03 18.27982 12 59 13.23 -03 35 48.4 19.4 T EF034G96
CK09F010 C2009 03 18.28050 12 59 13.05 -03 35 47.0 19.2 T EF034G96
CK09F010 C2009 03 18.28957 12 59 10.14 -03 35 32.5 19.4 T EF034G96
CK09F010 C2009 03 18.29025 12 59 09.96 -03 35 30.9 19.2 T EF034G96
CK09F010 C2009 03 18.29094 12 59 09.74 -03 35 30.2 19.1 T EF034G96
CK09F010 C2009 03 18.29163 12 59 09.49 -03 35 28.8 19.4 T EF034G96
CK09F010 C2009 03 18.34125 12 58 53.68 -03 34 06.2 19.2 T EF034G96
CK09F010 C2009 03 18.34250 12 58 53.25 -03 34 04.3 18.8 T EF034G96
CK09F010 C2009 03 18.34389 12 58 52.86 -03 34 02.0 19.3 T EF034G96
CK09F010 C2009 03 18.34437 12 58 52.66 -03 34 01.3 19.4 N EF034H01
CK09F010 C2009 03 18.34528 12 58 52.39 -03 33 59.3 19.2 T EF034G96
CK09F010 C2009 03 18.35153 12 58 50.37 -03 33 49.5 19.2 N EF034H01
CK09F010 C2009 03 18.35297 12 58 49.91 -03 33 47.1 19.3 N EF034H01
CK09F010 C2009 03 18.36238 12 58 46.89 -03 33 30.5 19.8 N EF034448
CK09F010 C2009 03 18.37603 12 58 42.57 -03 33 08.5 19.6 N EF034291
CK09F010 C2009 03 18.37660 12 58 42.42 -03 33 08.6 19.3 N EF034448
CK09F010 C2009 03 18.37979 12 58 41.39 -03 33 02.8 19.6 N EF034291
CK09F010 C2009 03 18.38136 12 58 40.84 -03 32 59.7 19.4 N EF034H01
CK09F010 C2009 03 18.38344 12 58 40.18 -03 32 56.2 19.6 N EF034291
CK09F010 C2009 03 18.38949 12 58 38.19 -03 32 46.3 19.7 N EF034448
CK09F010 C2009 03 18.90899 12 55 52.79 -03 18 14.7 19.6 T EF034493
CK09F010 C2009 03 18.91004 12 55 52.44 -03 18 12.7 19.9 T EF034493
CK09F010 C2009 03 18.91109 12 55 52.12 -03 18 11.4 19.2 T EF034493
CK09F010 C2009 03 18.97342 12 55 31.95 -03 16 26.4 20.0 T EF034J87
CK09F010 C2009 03 18.97758 12 55 30.59 -03 16 19.4 19.8 T EF034J87
CK09F010 C2009 03 18.98174 12 55 29.28 -03 16 12.8 19.7 T EF034J87
CK09F010 C2009 03 19.02888 12 55 13.96 -03 14 53.1 EF034204
CK09F010 C2009 03 19.03579 12 55 11.72 -03 14 41.0 EF034204
CK09F010 C2009 03 19.04296 12 55 09.40 -03 14 28.7 19.5 N EF034204
CK09F010 C2009 03 19.09235 12 54 53.40 -03 13 05.6 EF034J95
CK09F010 C2009 03 19.10021 12 54 50.85 -03 12 52.3 EF034J95
CK09F010 C2009 03 19.10811 12 54 48.30 -03 12 38.9 19.5 T EF034J95
CK09F010 C2009 03 19.26915 12 53 56.54 -03 08 02.7 19.7 T EF034H01
CK09F010 C2009 03 19.27903 12 53 53.31 -03 07 45.7 19.8 T EF034H01
CK09F010 C2009 03 19.28650 12 53 50.87 -03 07 33.1 19.9 T EF034H01
CK09F010 C2009 03 19.32473 12 53 38.39 -03 06 27.8 20.2 T EF034H01
CK09F010 C2009 03 19.33018 12 53 36.63 -03 06 18.3 18.8 T EF034G96
CK09F010 C2009 03 19.33304 12 53 35.67 -03 06 13.6 20.4 T EF034H01
CK09F010 C2009 03 19.33353 12 53 35.55 -03 06 12.9 18.8 T EF034G96
CK09F010 C2009 03 19.33527 12 53 34.98 -03 06 10.1 18.8 T EF034G96
CK09F010 C2009 03 19.36861 12 53 24.00 -03 05 13.7 19.3 N EF034H36
CK09F010 C2009 03 19.37973 12 53 20.33 -03 04 54.3 19.9 N EF034H36
CK09F010 C2009 03 19.39085 12 53 16.68 -03 04 35.7 19.7 N EF034H36
CK09F010 C2009 03 19.39804 12 53 14.42 -03 04 22.8 18.9 T EF034H06
CK09F010 C2009 03 19.40200 12 53 13.07 -03 04 16.5 19.4 N EF034H36
CK09F010 C2009 03 19.42572 12 53 05.31 -03 03 35.7 19.3 T EF034H06
Observer details:
204 Schiaparelli Observatory. Observer L. Buzzi. 0.60-m f/4.64 reflector
+ CCD.
291 LPL/Spacewatch II. Observer T. H. Bressi. 1.8-m f/2.7 reflector + CCD.
448 Desert Moon Observatory. Observer B. L. Stevens. 0.3-m
Schmidt-Cassegrain + CCD.
493 Calar Alto. Observer F. Hormuth. 1.23-m reflector + CCD.
673 Table Mountain Observatory, Wrightwood. Observer J. Young. 0.61-m f/16
Cassegrain + CCD.
854 Sabino Canyon Observatory, Tucson. Observer J. E. McGaha. 0.36-m f/10.0
Schmidt-Cassegrain + CCD.
B04 OAVdA, Saint-Barthelemy. Observer A. Carbognani. 0.81-m f/7.9 reflector
+ CCD.
B18 Terskol. Observers M. Andreev, A. Sergeev. Measurer M. Andreev. 0.6-m
f/12.8 reflector + CCD.
B33 Libbiano Observatory, Peccioli. Observers P. Bacci, R. Emilio, R. Enzo,
D. Antonacci. Measurer P. Bacci. 0.5-m f/10 Ritchey-Chretien + CCD.
G96 Mt. Lemmon Survey. Observers S. M. Larson, A. R. Gibbs. 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. Observer W. H. Ryan. 2.4-m f/8.9
reflector + CCD.
H06 RAS Observatory, Mayhill. Observers E. Guido, G. Sostero, P. Camilleri.
0.25-m f/3.4 reflector + CCD.
H36 Sandlot Observatory, Scranton. Observer G. Hug. 0.56-m reflector + CCD.
H55 Astronomical Research Observatory, Charleston. Observer R. Holmes.
Measurer S. Foglia. 0.61-m reflector + CCD.
J41 Raheny. Observer D. Grennan. 0.36-m f/4.6 Schmidt-Cassegrain + CCD.
J87 La Canada. Observer J. Lacruz. 0.40-m Ritchey-Chretien + CCD.
J95 Great Shefford. Observer P. Birtwhistle. 0.40-m f/6.0 Schmidt-Cassegrain
+ CCD.
Orbital elements:
C/2009 F1 (Larson)
T 2009 June 24.708 TT MPC
q 1.83816 (2000.0) P Q
Peri. 218.972 -0.754376 +0.656420
Node 357.921 +0.633468 +0.730116
e 1.0 Incl. 171.401 +0.172148 +0.189850
From 86 observations 2009 Mar. 16-19.
Ephemeris:
C/2009 F1 (Larson)
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2
2009 03 10 13 38.13 -06 55.4 1.387 2.267 144.0 14.9 19.3
2009 03 20 12 49.97 -02 47.0 1.218 2.199 166.6 6.0 18.9
2009 03 30 11 50.69 +02 27.5 1.149 2.135 167.5 5.8 18.6
2009 04 09 10 50.66 +07 30.5 1.192 2.075 142.0 17.3 18.6
2009 04 19 10 00.62 +11 12.7 1.329 2.021 119.4 25.7 18.7
2009 04 29 09 24.11 +13 28.9 1.523 1.972 100.4 30.1 18.9
2009 05 09 08 59.17 +14 45.7 1.743 1.931 84.6 31.4 19.1
2009 05 19 08 42.57 +15 26.8 1.968 1.896 70.9 30.3 19.2
2009 05 29 08 31.69 +15 46.7 2.182 1.869 58.7 27.6 19.4
The subject line on MPEC 2009-F31 should read:
COMETS C/2008 E10, 2008 Y16, 2008 Y17, 2009 A6 (STEREO)
Brian G. Marsden (C) Copyright 2009 MPC M.P.E.C. 2009-F34
Read MPEC 2009-F33
Read MPEC 2009-F35
Our Web policy. Index to the CBAT/MPC/ICQ pages.
