MPEC 2007-D22 : COMET C/2007 D1 (LINEAR)
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M.P.E.C. 2007-D22 Issued 2007 Feb. 19, 16:57 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 D1 (LINEAR)
Observations:
CK07D010 C2007 02 17.28460 09 45 25.25 -06 53 38.3 18.9 N ED022704
CK07D010 C2007 02 17.29658 09 45 25.06 -06 53 31.9 20.1 N ED022704
CK07D010 C2007 02 17.32072 09 45 24.70 -06 53 27.1 19.8 N ED022704
CK07D010 C2007 02 17.33285 09 45 24.48 -06 53 24.0 19.9 N ED022704
CK07D010 C2007 02 17.88287 09 45 16.12 -06 51 26.6 17.4 T ED022246
CK07D010 C2007 02 17.88365 09 45 16.09 -06 51 26.8 ED022246
CK07D010 C2007 02 17.88521 09 45 16.06 -06 51 25.7 ED022246
CK07D010 C2007 02 17.88781 09 45 16.04 -06 51 25.6 ED022246
CK07D010 C2007 02 17.88859 09 45 16.02 -06 51 25.3 ED022246
CK07D010 C2007 02 17.89096 09 45 16.01 -06 51 24.7 ED022246
CK07D010 C2007 02 17.89205 09 45 16.00 -06 51 24.4 ED022246
CK07D010 C2007 02 17.89281 09 45 15.99 -06 51 24.3 ED022246
CK07D010 C2007 02 17.90594 09 45 15.58 -06 51 20.8 17.3 T ED022473
CK07D010 C2007 02 17.91224 09 45 15.51 -06 51 19.7 17.4 T ED022473
CK07D010 C2007 02 18.16898 09 45 11.85 -06 50 24.4 17.5 T ED022673
CK07D010 C2007 02 18.17801 09 45 11.74 -06 50 22.3 ED022673
CK07D010 C2007 02 18.18242 09 45 11.67 -06 50 21.4 ED022673
CK07D010 C2007 02 18.19223 09 45 11.39 -06 50 20.5 17.4 T ED022703
CK07D010 C2007 02 18.19396 09 45 11.22 -06 50 20.7 16.7 T ED022703
CK07D010 C2007 02 18.19742 09 45 11.19 -06 50 18.1 18.2 T ED022703
CK07D010 C2007 02 18.19885 09 45 11.34 -06 50 18.2 17.9 T ED022734
CK07D010 C2007 02 18.20325 09 45 11.23 -06 50 16.6 17.6 T ED022734
CK07D010 C2007 02 18.20764 09 45 11.16 -06 50 15.8 17.7 T ED022734
CK07D010 C2007 02 18.21204 09 45 11.11 -06 50 14.7 17.7 T ED022734
CK07D010 C2007 02 18.21642 09 45 11.05 -06 50 14.0 17.9 T ED022734
CK07D010 C2007 02 18.26916 09 45 10.26 -06 50 02.4 17.9 T ED022711
CK07D010 C2007 02 18.27007 09 45 10.26 -06 50 03.2 19.1 N ED022704
CK07D010 C2007 02 18.27395 09 45 10.19 -06 50 01.1 17.8 T ED022711
CK07D010 C2007 02 18.27873 09 45 10.11 -06 50 00.1 17.8 T ED022711
CK07D010 C2007 02 18.28196 09 45 10.16 -06 49 59.6 20.2 N ED022704
CK07D010 C2007 02 18.29389 09 45 09.90 -06 49 55.9 19.7 N ED022704
CK07D010 C2007 02 18.30583 09 45 09.68 -06 49 54.0 20.5 N ED022704
CK07D010 C2007 02 18.31778 09 45 09.39 -06 49 49.4 19.2 N ED022704
CK07D010 C2007 02 18.42789 09 45 07.90 -06 49 26.1 18.3 T ED022474
CK07D010 C2007 02 18.59156 09 45 05.36 -06 48 50.6 18.8 T ED022474
CK07D010 C2007 02 18.80867 09 45 02.12 -06 48 03.5 17.4 T ED022473
CK07D010 C2007 02 18.82195 09 45 01.85 -06 48 01.3 17.7 T ED022473
CK07D010 C2007 02 18.83080 09 45 01.77 -06 47 59.8 17.9 T ED022473
CK07D010 C2007 02 18.88950 09 45 00.89 -06 47 46.0 ED022246
CK07D010 C2007 02 18.89043 09 45 00.88 -06 47 45.7 17.7 T ED022246
CK07D010 C2007 02 18.89344 09 45 00.85 -06 47 45.2 ED022246
CK07D010 C2007 02 18.89443 09 45 00.83 -06 47 44.6 ED022246
CK07D010 C2007 02 18.89605 09 45 00.79 -06 47 44.6 ED022246
CK07D010 C2007 02 18.91022 09 45 00.52 -06 47 41.9 17.4 N ED022113
CK07D010 C2007 02 18.92187 09 45 00.28 -06 47 39.8 18.3 N ED022113
CK07D010 C2007 02 19.11488 09 44 57.39 -06 46 56.8 18.4 T ED022734
CK07D010 C2007 02 19.12513 09 44 57.35 -06 46 55.2 18.7 T ED022734
CK07D010 C2007 02 19.13604 09 44 57.16 -06 46 51.9 18.5 T ED022734
CK07D010 C2007 02 19.14336 09 44 56.99 -06 46 49.9 18.7 T ED022734
CK07D010 C2007 02 19.26212 09 44 55.17 -06 46 23.4 17.1 T ED022703
CK07D010 C2007 02 19.27031 09 44 55.03 -06 46 22.1 17.3 T ED022703
CK07D010 C2007 02 19.27848 09 44 54.88 -06 46 20.1 17.2 T ED022703
Observer details:
113 Volkssternwarte Drebach, Schoenbrunn. Observer G. Lehmann. 0.5-m f/5
reflector + CCD.
246 Klet Observatory-KLENOT. Observers J. Ticha, M. Tichy. Measurer M. Tichy.
1.06-m KLENOT Telescope + CCD.
473 Remanzacco. Observers L. Donato, V. Gonano, E. Guido, G. Sostero. 0.45-m
f/4.4 Newtonian reflector + CCD.
474 Mount John Observatory, Lake Tekapo. Observer A. C. Gilmore. 1.0-m f/7.7
reflector + CCD.
673 Table Mountain Observatory, Wrightwood. Observer J. Young. 0.61-m f/16
Cassegrain + CCD.
703 Catalina Sky Survey. Observer A. R. Gibbs. Measurers E. C. Beshore,
E. J. Christensen, A. R. Gibbs, A. D. Grauer, R. E. Hill,
R. A. Kowalski, S. M. Larson. 0.68-m Schmidt + 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.
711 McDonald Observatory. Observer J. G. Ries. 0.76-m reflector + CCD.
734 Farpoint Observatory. Observers G. Hug, D. Tibbets. 0.7-m reflector
+ CCD.
Orbital elements:
C/2007 D1 (LINEAR)
T 2007 Feb. 17.505 TT MPC
q 2.56366 (2000.0) P Q
Peri. 289.556 -0.847232 -0.512221
Node 219.980 +0.531198 -0.814283
e 1.0 Incl. 12.659 +0.005216 -0.273080
From 38 observations 2007 Feb. 17-19.
Ephemeris:
C/2007 D1 (LINEAR)
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2
2007 02 19 09 44.98 -06 47.3 1.609 2.564 160.8 7.3 17.1
2007 03 01 09 42.81 -06 01.2 1.617 2.567 159.0 7.9 17.1
2007 03 11 09 41.75 -05 02.3 1.648 2.574 153.2 10.0 17.2
2007 03 21 09 42.37 -03 57.8 1.703 2.586 145.5 12.6 17.3
2007 03 31 09 44.98 -02 54.9 1.778 2.602 137.3 15.1 17.4
2007 04 10 09 49.67 -01 59.3 1.872 2.622 129.2 17.2 17.5
2007 04 20 09 56.34 -01 14.6 1.982 2.647 121.3 18.9 17.7
2007 04 30 10 04.78 -00 43.1 2.106 2.675 113.8 20.2 17.9
Brian G. Marsden (C) Copyright 2007 MPC M.P.E.C. 2007-D22
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