MPEC 2007-F87 : COMET C/2007 E1 (GARRADD)
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M.P.E.C. 2007-F87 Issued 2007 Mar. 30, 16:32 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 22.74338 14 26 25.05 -24 00 33.5 15.6 T EF087300
CK07E010 C2007 03 22.74740 14 26 22.82 -24 00 26.4 15.5 T EF087300
CK07E010 C2007 03 22.74821 14 26 22.42 -24 00 25.3 15.6 T EF087300
CK07E010 C2007 03 22.74900 14 26 21.98 -24 00 24.0 15.6 T EF087300
CK07E010 C2007 03 23.65166 14 17 53.35 -23 30 47.7 16.8 N EF087415
CK07E010 C2007 03 23.65333 14 17 52.36 -23 30 44.2 16.7 N EF087415
CK07E010 C2007 03 24.20862 14 12 22.70 -23 10 34.2 EF087834
CK07E010 C2007 03 24.22016 14 12 15.72 -23 10 08.0 EF087834
CK07E010 C2007 03 24.23937 14 12 03.94 -23 09 24.2 EF087834
CK07E010 C2007 03 24.43801 14 10 03.15 -23 01 41.6 15.3 N EF087E94
CK07E010 C2007 03 24.43902 14 10 02.54 -23 01 39.3 16.1 N EF087E94
CK07E010 C2007 03 24.44206 14 10 00.53 -23 01 31.5 16.1 N EF087E94
CK07E010 C2007 03 25.05699 14 03 33.44 -22 36 38.9 16.2 N EF087585
CK07E010 C2007 03 25.06062 14 03 31.59 -22 36 30.0 14.3 T EF087585
CK07E010 C2007 03 25.06351 14 03 29.42 -22 36 22.5 14.2 T EF087585
CK07E010 C2007 03 25.06522 14 03 28.20 -22 36 16.9 15.2 N EF087585
CK07E010 C2007 03 25.06694 14 03 27.11 -22 36 11.8 15.4 N EF087585
CK07E010 C2007 03 25.07061 14 03 24.87 -22 36 03.7 15.3 N EF087585
CK07E010 C2007 03 25.66266 13 56 57.54 -22 09 30.9 EF087349
CK07E010 C2007 03 25.66719 13 56 54.49 -22 09 18.2 13.5 T EF087349
CK07E010 C2007 03 27.56505 13 34 30.85 -20 27 45.7 15.3 N EF087415
CK07E010 C2007 03 27.56588 13 34 30.23 -20 27 43.0 15.4 N EF087415
CK07E010 C2007 03 27.57782 13 34 21.18 -20 26 59.6 14.7 T EF087423
CK07E010 C2007 03 27.59391 13 34 09.07 -20 26 00.9 15.0 T EF087423
CK07E010 C2007 03 27.61254 13 33 54.98 -20 24 53.5 15.1 T EF087423
CK07E010 C2007 03 27.96990 13 29 24.35 -20 03 01.5 15.5 N EF087B30
CK07E010 C2007 03 27.97106 13 29 23.32 -20 02 56.2 15.6 N EF087B30
CK07E010 C2007 03 27.97225 13 29 22.38 -20 02 49.7 16.0 N EF087B30
CK07E010 C2007 03 27.97341 13 29 21.77 -20 02 47.9 15.8 N EF087B30
CK07E010 C2007 03 27.97461 13 29 20.63 -20 02 41.8 15.5 N EF087B30
CK07E010 C2007 03 27.97580 13 29 19.67 -20 02 36.7 15.6 N EF087B30
CK07E010 C2007 03 27.97700 13 29 18.78 -20 02 34.1 15.8 N EF087B30
CK07E010 C2007 03 27.97821 13 29 18.08 -20 02 29.2 15.7 N EF087B30
CK07E010 C2007 03 27.97939 13 29 16.93 -20 02 23.8 15.7 N EF087B30
CK07E010 C2007 03 27.98057 13 29 16.11 -20 02 18.7 15.8 N EF087B30
CK07E010 C2007 03 28.59267 13 21 20.55 -19 21 53.3 EF087D88
CK07E010 C2007 03 28.59377 13 21 19.64 -19 21 48.6 EF087D88
CK07E010 C2007 03 28.59488 13 21 18.73 -19 21 43.6 14.2 T EF087D88
CK07E010 C2007 03 28.69450 13 19 59.44 -19 14 53.3 13.6 T EF087361
CK07E010 C2007 03 28.69521 13 19 58.90 -19 14 51.2 16.0 N EF087361
CK07E010 C2007 03 28.69598 13 19 58.28 -19 14 47.7 13.6 T EF087361
CK07E010 C2007 03 28.69672 13 19 57.74 -19 14 43.9 13.6 T EF087361
CK07E010 C2007 03 28.76035 13 19 06.71 -19 10 17.0 13.6 T EF087361
Observer details:
300 Bisei Spaceguard Center--BATTeRS. Observers A. Asami, S. Urakawa.
1.0-m f/3.0 reflector + CCD.
349 Ageo. Observer K. Kadota. 0.25-m f/5.0 reflector + CCD.
361 Sumoto. Observer S. Nakano. 0.25-m f/4.8 reflector + CCD.
415 Kambah, near Canberra. Observer D. Herald. 0.36-m f/3.9
Schmidt-Cassegrain + CCD.
423 North Ryde. Observer S. G. McAndrew. 0.20-m f/4 hyperbolic astrograph
+ CCD.
585 Kiev comet station. Observers A. Baransky, S. Borysenko. Measurer
A. Baransky. 0.7-m f/4 reflector + CCD.
834 Buenos Aires-AAAA. Observers R. Mackintosh, M. Konishi, R. Caprio.
Measurer R. Mackintosh. 0.25-m f/6.3 Schmidt-Cassegrain + CCD.
B30 Szamotuly-Galowo. Observer M. Reszelski. 0.20-m reflector + CCD.
D88 Hiratsuka. Observer Y. Sugiyama. 0.25-m f/5.0 reflector + CCD.
E94 Gisborne. Observer J. Drummond. 0.41-m f/5.2 reflector + CCD.
Orbital elements:
C/2007 E1 (Garradd)
T 2007 May 23.096 TT MPC
q 1.28989 (2000.0) P Q
Peri. 6.408 -0.841463 +0.538581
Node 153.678 +0.491298 +0.729354
e 1.0 Incl. 174.402 +0.224870 +0.421868
From 143 observations 2007 Mar. 13-28.
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 18.28 -13 01.9 0.505 1.499 169.6 6.9 12.8
2007 04 04 11 47.89 -09 26.4 0.497 1.484 163.9 10.7 12.7
2007 04 06 11 17.99 -05 39.1 0.501 1.470 155.1 16.6 12.7
2007 04 08 10 49.64 -01 54.2 0.515 1.456 145.8 22.7 12.7
2007 04 10 10 23.61 +01 35.8 0.539 1.443 136.9 28.3 12.7
2007 04 12 10 00.31 +04 43.2 0.571 1.430 128.5 33.3 12.8
2007 04 14 09 39.81 +07 25.3 0.611 1.417 121.0 37.4 12.9
2007 04 16 09 21.97 +09 42.9 0.656 1.405 114.2 40.7 13.1
2007 04 18 09 06.54 +11 38.4 0.705 1.394 108.0 43.2 13.2
2007 04 20 08 53.23 +13 15.0 0.757 1.383 102.5 45.2 13.3
2007 04 22 08 41.74 +14 36.1 0.812 1.372 97.5 46.6 13.4
2007 04 24 08 31.79 +15 44.3 0.868 1.362 93.0 47.5 13.5
2007 04 26 08 23.16 +16 42.1 0.926 1.353 88.8 48.0 13.6
2007 04 28 08 15.64 +17 31.4 0.985 1.344 84.9 48.2 13.8
2007 04 30 08 09.07 +18 13.8 1.044 1.336 81.3 48.2 13.9
Brian G. Marsden (C) Copyright 2007 MPC M.P.E.C. 2007-F87
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