MPEC 2007-F45 : COMET C/2007 E1 (GARRADD)
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M.P.E.C. 2007-F45 Issued 2007 Mar. 20, 14:40 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://cfa-www.harvard.edu/iau/mpc.html ISSN 1523-6714
COMET C/2007 E1 (GARRADD)
Observations:
CK07E010 C2007 03 14.84289 15 20 27.88 -26 16 25.6 16.2 T EF045D35
CK07E010 C2007 03 14.84420 15 20 27.46 -26 16 24.7 16.2 T EF045D35
CK07E010 C2007 03 14.84552 15 20 27.07 -26 16 24.0 16.1 T EF045D35
CK07E010 C2007 03 17.06772 15 08 24.21 -25 54 02.5 EF045246
CK07E010 C2007 03 17.06918 15 08 23.68 -25 54 01.0 EF045246
CK07E010 C2007 03 17.07000 15 08 23.38 -25 54 00.8 EF045246
CK07E010 C2007 03 17.07124 15 08 22.94 -25 54 00.4 EF045246
CK07E010 C2007 03 17.07223 15 08 22.57 -25 53 59.6 EF045246
CK07E010 C2007 03 17.07282 15 08 22.34 -25 53 58.9 EF045246
CK07E010 C2007 03 17.07372 15 08 22.03 -25 53 58.2 EF045246
CK07E010 C2007 03 17.78928 15 04 01.09 -25 44 43.0 EF045349
CK07E010 C2007 03 17.79164 15 04 00.19 -25 44 41.1 EF045349
CK07E010 C2007 03 17.79400 15 03 59.30 -25 44 39.1 EF045349
CK07E010 C2007 03 17.79637 15 03 58.40 -25 44 37.2 14.3 T EF045349
CK07E010 C2007 03 18.11713 15 01 56.94 -25 40 06.8 16.0 N EF045213
CK07E010 C2007 03 18.11946 15 01 56.03 -25 40 05.1 16.0 N EF045213
CK07E010 C2007 03 18.12050 15 01 55.63 -25 40 04.5 16.0 N EF045213
CK07E010 C2007 03 18.14168 15 01 47.31 -25 39 45.3 16.6 N EF045232
CK07E010 C2007 03 18.14628 15 01 45.54 -25 39 41.5 16.6 N EF045232
CK07E010 C2007 03 18.15088 15 01 43.77 -25 39 38.2 16.3 N EF045232
CK07E010 C2007 03 18.20340 15 01 23.97 -25 38 39.4 15.7 T EF045844
CK07E010 C2007 03 18.21804 15 01 18.27 -25 38 27.0 15.8 T EF045844
CK07E010 C2007 03 18.23076 15 01 13.27 -25 38 15.3 15.9 T EF045844
CK07E010 C2007 03 18.74839 14 57 48.39 -25 30 29.7 EF045349
CK07E010 C2007 03 18.74900 14 57 48.13 -25 30 29.1 EF045349
CK07E010 C2007 03 18.74961 14 57 47.88 -25 30 28.8 14.2 T EF045349
CK07E010 C2007 03 19.80344 14 50 24.72 -25 11 49.7 EF045E12
CK07E010 C2007 03 20.22328 14 47 18.78 -25 03 32.1 15.6 N EF045844
CK07E010 C2007 03 20.22740 14 47 16.90 -25 03 27.3 15.9 N EF045844
CK07E010 C2007 03 20.23447 14 47 13.65 -25 03 18.7 15.8 N EF045844
CK07E010 C2007 03 20.23940 14 47 11.44 -25 03 13.0 15.9 N EF045844
CK07E010 C2007 03 20.24490 14 47 08.90 -25 03 06.4 15.8 N EF045844
Observer details:
213 Observatorio Montcabre. Observer R. Naves. Measurer M. Campas. 0.30-m
f/10 Schmidt-Cassegrain + CCD.
232 Masquefa Observatory. Observer E. Reina. 0.25-m f/3.3 Schmidt-Cassegrain
+ CCD.
246 Klet Observatory-KLENOT. Observers M. Tichy, J. Ticha. Measurer M. Tichy.
1.06-m KLENOT Telescope + CCD.
349 Ageo. Observer K. Kadota. 0.25-m f/5.0 reflector + CCD.
844 Los Molinos. Observers R. Salvo, S. Roland. 0.35-m f/6.4 reflector + CCD.
D35 Lulin Observatory. Observers Q.-z. Ye, H.-C. Lin, C.-S. Lin, C.-y. Shih.
Measurer Q.-z. Ye. 0.41-m f/8.8 Ritchey-Chretien + CCD.
E12 Siding Spring Survey. Observer R. H. McNaught. 0.5-m Uppsala Schmidt
+ CCD.
Orbital elements:
C/2007 E1 (Garradd)
T 2007 May 23.102 TT MPC
q 1.28972 (2000.0) P Q
Peri. 6.421 -0.841350 +0.538757
Node 153.679 +0.491450 +0.729252
e 1.0 Incl. 174.402 +0.224959 +0.421820
From 92 observations 2007 Mar. 13-20.
Ephemeris:
C/2007 E1 (Garradd)
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2
2007 03 11 15 37.01 -26 39.1 1.041 1.682 111.5 33.3 14.8
2007 03 13 15 29.01 -26 29.3 0.976 1.664 115.2 32.7 14.7
2007 03 15 15 19.68 -26 15.0 0.913 1.646 119.3 31.8 14.5
2007 03 17 15 08.80 -25 54.7 0.851 1.628 123.6 30.6 14.3
2007 03 19 14 56.10 -25 26.2 0.791 1.611 128.4 28.9 14.1
2007 03 21 14 41.29 -24 46.7 0.734 1.594 133.7 26.8 13.9
2007 03 23 14 24.07 -23 52.5 0.681 1.577 139.5 24.2 13.6
2007 03 25 14 04.18 -22 38.9 0.632 1.561 146.0 20.9 13.4
2007 03 27 13 41.45 -21 00.8 0.588 1.545 153.0 17.0 13.2
2007 03 29 13 15.93 -18 53.2 0.552 1.529 160.5 12.6 13.1
2007 03 31 12 47.96 -16 13.1 0.523 1.514 167.3 8.3 12.9
2007 04 02 12 18.26 -13 01.8 0.505 1.499 169.6 6.9 12.8
2007 04 04 11 47.87 -09 26.3 0.497 1.484 163.9 10.7 12.7
2007 04 06 11 17.96 -05 38.9 0.501 1.470 155.1 16.6 12.7
2007 04 08 10 49.61 -01 54.0 0.515 1.456 145.8 22.7 12.7
2007 04 10 10 23.58 +01 36.0 0.539 1.443 136.9 28.3 12.7
2007 04 12 10 00.27 +04 43.4 0.571 1.430 128.5 33.3 12.8
2007 04 14 09 39.77 +07 25.6 0.611 1.417 121.0 37.4 12.9
2007 04 16 09 21.93 +09 43.1 0.655 1.405 114.1 40.7 13.1
2007 04 18 09 06.51 +11 38.6 0.705 1.394 108.0 43.2 13.2
2007 04 20 08 53.19 +13 15.2 0.757 1.383 102.5 45.2 13.3
2007 04 22 08 41.70 +14 36.2 0.812 1.372 97.5 46.6 13.4
2007 04 24 08 31.76 +15 44.5 0.868 1.362 93.0 47.5 13.5
2007 04 26 08 23.13 +16 42.3 0.926 1.353 88.8 48.0 13.6
2007 04 28 08 15.61 +17 31.6 0.985 1.344 84.9 48.2 13.8
2007 04 30 08 09.03 +18 13.9 1.044 1.336 81.3 48.2 13.9
Further observations of this comet are desirable.
Brian G. Marsden (C) Copyright 2007 MPC M.P.E.C. 2007-F45
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