MPEC 2007-H28 : COMET C/2007 E2 (LOVEJOY)
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Read MPEC 2007-H27
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M.P.E.C. 2007-H28 Issued 2007 Apr. 20, 16:59 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/2007 E2 (LOVEJOY)
Observations:
CK07E020 C2007 04 11.60772 19 52 39.50 -23 32 31.7 14.1 N EH028F85
CK07E020 C2007 04 11.62091 19 52 37.04 -23 30 55.5 12.7 T EH028F85
CK07E020 C2007 04 11.63515 19 52 34.37 -23 29 11.4 EH028F85
CK07E020 C2007 04 14.08079 19 44 40.73 -18 07 08.8 14.0 N EH028B30
CK07E020 C2007 04 14.08412 19 44 40.13 -18 06 40.6 14.2 N EH028B30
CK07E020 C2007 04 14.08508 19 44 39.96 -18 06 34.2 14.1 N EH028B30
CK07E020 C2007 04 14.08601 19 44 39.71 -18 06 25.3 14.1 N EH028B30
CK07E020 C2007 04 14.08694 19 44 39.48 -18 06 16.9 14.2 N EH028B30
CK07E020 C2007 04 14.08789 19 44 39.44 -18 06 11.4 14.2 N EH028B30
CK07E020 C2007 04 14.08887 19 44 39.22 -18 06 03.0 14.1 N EH028B30
CK07E020 C2007 04 14.08984 19 44 38.89 -18 05 52.8 14.3 N EH028B30
CK07E020 C2007 04 14.09083 19 44 38.71 -18 05 43.7 13.9 N EH028B30
CK07E020 C2007 04 14.09178 19 44 38.57 -18 05 36.7 14.0 N EH028B30
CK07E020 C2007 04 14.09273 19 44 38.33 -18 05 27.8 14.1 N EH028B30
CK07E020 C2007 04 14.09661 19 44 37.55 -18 04 54.1 14.5 N EH028629
CK07E020 C2007 04 14.09890 19 44 37.15 -18 04 35.1 14.0 N EH028215
CK07E020 C2007 04 14.10020 19 44 36.92 -18 04 23.9 14.1 N EH028215
CK07E020 C2007 04 14.10150 19 44 36.64 -18 04 12.9 14.1 N EH028215
CK07E020 C2007 04 14.10194 19 44 36.41 -18 04 09.5 EH028629
CK07E020 C2007 04 14.13913 19 44 28.80 -17 58 51.8 13.7 N EH028473
CK07E020 C2007 04 14.14195 19 44 28.20 -17 58 27.7 13.7 N EH028473
CK07E020 C2007 04 14.14292 19 44 28.17 -17 58 16.0 13.7 N EH028J70
CK07E020 C2007 04 14.14418 19 44 27.94 -17 58 06.5 13.8 N EH028J70
CK07E020 C2007 04 14.14456 19 44 27.61 -17 58 05.3 13.8 N EH028473
CK07E020 C2007 04 14.14493 19 44 27.68 -17 57 57.6 13.7 N EH028J70
CK07E020 C2007 04 14.14725 19 44 27.24 -17 57 38.5 13.7 N EH028J70
CK07E020 C2007 04 14.14792 19 44 27.12 -17 57 32.5 13.6 N EH028J70
CK07E020 C2007 04 14.14860 19 44 26.98 -17 57 26.8 13.7 N EH028J70
CK07E020 C2007 04 14.14928 19 44 26.85 -17 57 20.9 13.7 N EH028J70
CK07E020 C2007 04 14.14995 19 44 26.70 -17 57 15.3 13.7 N EH028J70
CK07E020 C2007 04 14.15064 19 44 26.51 -17 57 09.5 13.7 N EH028J70
CK07E020 C2007 04 14.15131 19 44 26.40 -17 57 03.6 13.6 N EH028J70
CK07E020 C2007 04 14.15198 19 44 26.22 -17 56 57.9 13.8 N EH028J70
CK07E020 C2007 04 14.15266 19 44 26.14 -17 56 52.7 13.7 N EH028J70
CK07E020 C2007 04 14.15333 19 44 25.95 -17 56 46.2 13.7 N EH028J70
CK07E020 C2007 04 14.15400 19 44 25.84 -17 56 40.8 13.7 N EH028J70
CK07E020 C2007 04 14.15470 19 44 25.73 -17 56 34.9 13.6 N EH028J70
CK07E020 C2007 04 14.62168 19 42 48.68 -16 48 49.5 12.9 N EH028F84
CK07E020 C2007 04 14.73957 19 42 24.36 -16 31 40.9 EH028349
CK07E020 C2007 04 14.74148 19 42 23.94 -16 31 23.6 EH028349
CK07E020 C2007 04 14.74340 19 42 23.52 -16 31 06.9 9.4 T EH028349
CK07E020 C2007 04 14.75623 19 42 20.71 -16 29 11.6 EH028D81
CK07E020 C2007 04 14.75800 19 42 20.39 -16 28 58.4 EH028D81
CK07E020 C2007 04 14.75972 19 42 20.08 -16 28 41.5 EH028D81
CK07E020 C2007 04 14.76145 19 42 19.70 -16 28 25.6 9.3 T EH028D81
CK07E020 C2007 04 15.05925 19 41 16.05 -15 44 00.9 14.4 T EH028152
CK07E020 C2007 04 15.06726 19 41 14.65 -15 42 47.0 13.9 T EH028152
CK07E020 C2007 04 15.14596 19 40 57.85 -15 30 55.7 EH028J95
CK07E020 C2007 04 15.14982 19 40 57.00 -15 30 20.7 EH028J95
CK07E020 C2007 04 15.15245 19 40 56.43 -15 29 57.2 13.7 N EH028A11
CK07E020 C2007 04 15.15429 19 40 56.04 -15 29 40.1 14.2 N EH028J95
CK07E020 C2007 04 15.15435 19 40 56.04 -15 29 39.1 13.6 N EH028A11
CK07E020 C2007 04 15.15672 19 40 55.46 -15 29 17.4 13.4 N EH028A11
CK07E020 2007 04 16.77257 19 34 56.06 -11 12 44.6 7.8 T EH028372
CK07E020 2007 04 16.77951 19 34 54.44 -11 11 36.7 EH028372
CK07E020 2007 04 16.79882 19 34 49.84 -11 08 24.2 7.9 T EH028372
CK07E020 C2007 04 17.09230 19 33 41.62 -10 19 16.3 15.0 N EH028510
CK07E020 C2007 04 17.09439 19 33 41.18 -10 18 55.7 15.1 N EH028510
CK07E020 C2007 04 17.09647 19 33 40.68 -10 18 34.5 14.9 N EH028510
CK07E020 C2007 04 17.41542 19 32 25.50 -09 24 11.9 13.2 N EH028H06
CK07E020 C2007 04 17.41581 19 32 25.43 -09 24 08.9 13.2 N EH028H06
CK07E020 C2007 04 17.43170 19 32 21.65 -09 21 24.2 13.2 N EH028H06
CK07E020 C2007 04 17.43212 19 32 21.47 -09 21 20.7 13.1 N EH028H06
CK07E020 C2007 04 18.59861 19 27 35.98 -05 54 39.6 13.3 N EH028F84
CK07E020 C2007 04 18.62197 19 27 29.91 -05 50 24.8 12.2 T EH028F84
CK07E020 C2007 04 18.64149 19 27 24.84 -05 46 52.4 EH028F84
CK07E020 C2007 04 19.01260 19 25 51.26 -04 38 55.0 14.1 N EH028B30
CK07E020 C2007 04 19.01355 19 25 50.97 -04 38 42.0 14.5 N EH028B30
CK07E020 C2007 04 19.01451 19 25 50.87 -04 38 34.0 14.2 N EH028B30
CK07E020 C2007 04 19.01550 19 25 50.60 -04 38 24.6 14.1 N EH028B30
CK07E020 C2007 04 19.01644 19 25 50.31 -04 38 13.1 14.6 N EH028B30
CK07E020 C2007 04 19.01737 19 25 50.04 -04 38 03.1 14.2 N EH028B30
CK07E020 C2007 04 19.01831 19 25 49.82 -04 37 53.4 14.3 N EH028B30
CK07E020 C2007 04 19.01926 19 25 49.57 -04 37 42.2 14.6 N EH028B30
CK07E020 C2007 04 19.02021 19 25 49.34 -04 37 31.3 14.3 N EH028B30
CK07E020 C2007 04 19.02115 19 25 49.16 -04 37 21.7 14.6 N EH028B30
CK07E020 C2007 04 19.11774 19 25 24.07 -04 19 24.9 15.7 N EH028510
CK07E020 C2007 04 19.12233 19 25 22.91 -04 18 33.6 15.3 N EH028510
CK07E020 C2007 04 19.12359 19 25 22.58 -04 18 20.3 15.4 N EH028510
CK07E020 C2007 04 19.79308 19 22 27.50 -02 11 49.0 13.6 N EH028379
CK07E020 C2007 04 19.79403 19 22 27.26 -02 11 38.2 13.6 N EH028379
CK07E020 C2007 04 19.79683 19 22 26.50 -02 11 05.8 13.5 N EH028379
CK07E020 C2007 04 19.80124 19 22 25.30 -02 10 15.1 13.6 N EH028379
CK07E020 C2007 04 19.80252 19 22 24.92 -02 10 00.1 13.6 N EH028379
CK07E020 C2007 04 19.80444 19 22 24.38 -02 09 38.4 13.6 N EH028379
CK07E020 C2007 04 19.80508 19 22 24.24 -02 09 31.2 13.5 N EH028379
CK07E020 C2007 04 19.80725 19 22 23.67 -02 09 06.0 13.8 N EH028379
CK07E020 C2007 04 19.80788 19 22 23.50 -02 08 58.7 13.8 N EH028379
CK07E020 C2007 04 19.80852 19 22 23.29 -02 08 51.4 13.8 N EH028379
CK07E020 C2007 04 19.81108 19 22 22.62 -02 08 22.4 13.8 N EH028379
CK07E020 C2007 04 20.04766 19 21 19.64 -01 22 55.9 14.3 N EH028585
CK07E020 C2007 04 20.04852 19 21 19.44 -01 22 45.2 14.1 N EH028585
CK07E020 C2007 04 20.04906 19 21 19.25 -01 22 38.6 14.2 N EH028585
CK07E020 C2007 04 20.05421 19 21 17.92 -01 21 36.8 14.2 N EH028585
CK07E020 C2007 04 20.06074 19 21 16.07 -01 20 20.6 14.1 N EH028585
CK07E020 C2007 04 20.06115 19 21 15.96 -01 20 17.6 14.3 N EH028585
Observer details:
152 Moletai Astronomical Observatory. Observers K. Cernis, J. Zdanavicius.
Measurer K. Cernis. 0.35-m f/3.5 reflector + CCD.
215 Buchloe. Observer W. Hasubick. 0.44-m f/4.6 reflector + CCD.
349 Ageo. Observer K. Kadota. 0.25-m f/5.0 reflector + CCD.
372 Geisei. Observer T. Seki. 0.60-m f/3.5 reflector.
379 Hamamatsu-Yuto. Observer S. Wakuda. 0.25-m f/5.0 Schmidt-Cassegrain
+ CCD.
473 Remanzacco. Observers L. Donato, A. Lepardo, V. Gonano, E. Guido,
V. Santini, G. Sostero. 0.45-m f/4.4 Newtonian reflector + CCD.
510 Siegen. Observer H. Bill. 0.30-m f/5 reflector + CCD.
585 Kiev comet station. Observer A. Baransky. 0.7-m f/4 reflector + CCD.
629 JATE Observatory, Szeged. Observers B. Csak, G. Santa. Measurer
K. Sarneczky. 0.40-m f/3.0 reflector + CCD.
A11 Wormhout. Observer S. Takbou. 0.20-m f/10 Schmidt-Cassegrain + CCD.
B30 Szamotuly-Galowo. Observer M. Reszelski. 0.20-m reflector + CCD.
D81 Nagano. Observer Y. Ohshima. 0.30-m f/4.5 reflector + CCD.
F84 Hibiscus Observatory, Punaauia. Observers N. Teamo, S. F. Hoenig.
Measurer S. F. Hoenig. 0.35-m f/2.01 Schmidt-Cassegrain + CCD.
F85 Tiki Observatory, Punaauia. Observers N. Teamo, S. Hoenig. Measurer
S. Hoenig. 0.41-m f/8.0 Ritchey-Chretien + CCD.
H06 RAS Observatory, Mayhill. Observer M. Nicholson. 0.25-m f/3.8 astrograph
+ CCD.
J70 Obs. Astronomico Vega del Thader, El Palmar. Observer J. P. Navarro P.
0.20-m Schmidt-Cassegrain + CCD.
J95 Great Shefford. Observer P. Birtwhistle. 0.40-m f/6.0 Schmidt-Cassegrain
+ CCD.
Orbital elements:
C/2007 E2 (Lovejoy)
T 2007 Mar. 27.5174 TT MPC
q 1.093031 (2000.0) P Q
Peri. 340.5512 -0.5477633 -0.2796929
Node 232.4369 -0.5731390 -0.5611297
e 1.0 Incl. 95.8903 -0.6094809 +0.7790413
From 192 observations 2007 Mar. 18-Apr. 20.
Ephemeris:
C/2007 E2 (Lovejoy)
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2
2007 04 20 19 21.54 -01 32.0 0.466 1.159 97.2 59.3 8.5
2007 04 25 18 56.40 +15 36.7 0.442 1.188 103.2 55.5 8.5
2007 04 30 18 24.95 +32 27.9 0.464 1.222 106.3 52.3 8.7
2007 05 05 17 46.74 +45 50.2 0.527 1.259 105.9 50.4 9.1
2007 05 10 17 02.93 +54 50.8 0.616 1.300 103.5 49.0 9.6
2007 05 15 16 16.90 +60 14.0 0.723 1.344 100.4 47.7 10.1
2007 05 20 15 33.32 +63 05.3 0.838 1.391 97.0 46.2 10.5
2007 05 25 14 55.85 +64 20.1 0.958 1.439 93.8 44.6 11.0
2007 05 30 14 25.86 +64 38.0 1.081 1.490 90.7 42.9 11.4
2007 06 04 14 02.96 +64 24.0 1.203 1.542 87.7 41.1 11.8
2007 06 09 13 46.00 +63 52.8 1.325 1.596 84.9 39.3 12.1
2007 06 14 13 33.78 +63 12.9 1.445 1.650 82.2 37.6 12.5
2007 06 19 13 25.29 +62 29.1 1.563 1.706 79.8 35.9 12.8
2007 06 24 13 19.70 +61 44.1 1.678 1.762 77.4 34.3 13.1
2007 06 29 13 16.39 +60 59.6 1.789 1.819 75.2 32.7 13.4
Brian G. Marsden (C) Copyright 2007 MPC M.P.E.C. 2007-H28
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