MPEC 2007-F67 : COMET C/2007 E1 (GARRADD)
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M.P.E.C. 2007-F67 Issued 2007 Mar. 23, 16:19 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 20.18656 14 47 35.52 -25 04 16.8 EF067834
CK07E010 C2007 03 20.20211 14 47 28.46 -25 03 57.9 EF067834
CK07E010 C2007 03 20.20547 14 47 26.87 -25 03 54.1 EF067834
CK07E010 C2007 03 20.40626 14 45 55.35 -24 59 57.9 16.7 T EF067704
CK07E010 C2007 03 20.41703 14 45 50.14 -24 59 42.9 16.7 T EF067704
CK07E010 C2007 03 20.42757 14 45 45.41 -24 59 30.5 16.7 T EF067704
CK07E010 C2007 03 20.43860 14 45 40.29 -24 59 15.9 17.1 T EF067704
CK07E010 C2007 03 22.60407 14 27 40.75 -24 04 31.7 16.5 N EF067467
CK07E010 C2007 03 22.60522 14 27 40.14 -24 04 29.7 16.1 N EF067467
CK07E010 C2007 03 22.60637 14 27 39.51 -24 04 27.7 15.8 N EF067467
CK07E010 C2007 03 22.61292 14 27 36.31 -24 04 15.7 17.4 N EF067415
CK07E010 C2007 03 22.61512 14 27 35.10 -24 04 11.6 17.1 N EF067415
CK07E010 C2007 03 22.66081 14 27 09.84 -24 02 48.6 16.7 N EF067467
CK07E010 C2007 03 22.66161 14 27 09.38 -24 02 48.6 16.2 N EF067467
CK07E010 C2007 03 22.66240 14 27 08.94 -24 02 47.0 16.1 N EF067467
CK07E010 C2007 03 23.06303 14 23 28.71 -23 50 40.2 15.7 N EF067B30
CK07E010 C2007 03 23.06468 14 23 27.91 -23 50 38.4 16.2 N EF067B30
CK07E010 C2007 03 23.06632 14 23 26.94 -23 50 34.5 15.8 N EF067B30
CK07E010 C2007 03 23.06797 14 23 25.72 -23 50 29.2 16.1 N EF067B30
Observer details:
415 Kambah, near Canberra. Observer D. Herald. 0.36-m f/3.9
Schmidt-Cassegrain + CCD.
467 Auckland Observatory. Observers G. W. Christie, T. Natusch. Measurer
G. W. Christie. 0.40-m f/10 Schmidt-Cassegrain + CCD.
704 Lincoln Laboratory ETS, New Mexico. Observers M. Bezpalko, D. Torres,
R. Kracke, G. Spitz, J. Kistler. Measurers J. Stuart, S. Scruggs. 1.0-m
f/2.15 reflector + CCD.
834 Buenos Aires-AAAA. Observers R. Mackintosh, M. Konishi. Measurer
R. Mackintosh. 0.25-m f/6.3 Schmidt-Cassegrain + CCD.
B30 Szamotuly-Galowo. Observer M. Reszelski. 0.20-m reflector + CCD.
Orbital elements:
C/2007 E1 (Garradd)
T 2007 May 23.098 TT MPC
q 1.28984 (2000.0) P Q
Peri. 6.409 -0.841427 +0.538636
Node 153.675 +0.491349 +0.729325
e 1.0 Incl. 174.402 +0.224892 +0.421849
From 106 observations 2007 Mar. 13-23.
Ephemeris:
C/2007 E1 (Garradd)
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2
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 1.578 139.5 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 47.97 -16 13.2 0.524 1.514 167.3 8.3 12.9
2007 04 02 12 18.27 -13 01.9 0.505 1.499 169.6 6.9 12.8
2007 04 04 11 47.88 -09 26.4 0.497 1.484 163.9 10.7 12.7
2007 04 06 11 17.98 -05 39.0 0.501 1.470 155.1 16.6 12.7
2007 04 08 10 49.63 -01 54.2 0.515 1.456 145.8 22.7 12.7
2007 04 10 10 23.60 +01 35.8 0.539 1.443 136.9 28.3 12.7
2007 04 12 10 00.30 +04 43.2 0.571 1.430 128.5 33.3 12.8
2007 04 14 09 39.80 +07 25.4 0.611 1.417 121.0 37.4 12.9
2007 04 16 09 21.96 +09 42.9 0.656 1.405 114.2 40.7 13.1
2007 04 18 09 06.53 +11 38.4 0.705 1.394 108.0 43.2 13.2
2007 04 20 08 53.22 +13 15.1 0.757 1.383 102.5 45.2 13.3
2007 04 22 08 41.73 +14 36.1 0.812 1.372 97.5 46.6 13.4
2007 04 24 08 31.78 +15 44.3 0.868 1.362 93.0 47.5 13.5
2007 04 26 08 23.15 +16 42.1 0.926 1.353 88.8 48.0 13.6
2007 04 28 08 15.63 +17 31.4 0.985 1.344 84.9 48.2 13.8
2007 04 30 08 09.06 +18 13.8 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-F67
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