Read MPEC 2008-L54
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Read MPEC 2008-L54
Read MPEC 2008-L56
M.P.E.C. 2008-L55 Issued 2008 June 15, 02:15 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/2008 L2 (HILL)
Observations:
CK08L020 C2008 06 12.44006 23 40 43.93 +22 42 02.7 18.3 T EL055703
CK08L020 C2008 06 12.44374 23 40 44.32 +22 42 05.0 18.6 T EL055703
CK08L020 C2008 06 12.44744 23 40 44.58 +22 42 06.4 18.3 T EL055703
CK08L020 C2008 06 12.45109 23 40 44.90 +22 42 09.5 18.4 T EL055703
CK08L020 C2008 06 12.75113 23 41 12.08 +22 45 33.3 18.6 N EL055300
CK08L020 C2008 06 12.75334 23 41 12.28 +22 45 34.3 18.8 N EL055300
CK08L020 C2008 06 12.75520 23 41 12.50 +22 45 36.0 18.9 N EL055300
CK08L020 C2008 06 12.75982 23 41 12.92 +22 45 38.7 18.9 N EL055300
CK08L020 C2008 06 12.76168 23 41 13.08 +22 45 40.7 18.6 N EL055300
CK08L020 C2008 06 13.07017 23 41 40.91 +22 49 08.3 18.6 N EL055B20
CK08L020 C2008 06 13.08470 23 41 42.23 +22 49 18.3 18.7 N EL055B20
CK08L020 C2008 06 13.10892 23 41 44.42 +22 49 34.7 19.0 N EL055B20
CK08L020 C2008 06 13.36109 23 42 07.25 +22 52 25.4 18.9 N EL055704
CK08L020 C2008 06 13.37086 23 42 08.09 +22 52 32.5 18.9 N EL055704
CK08L020 C2008 06 13.38058 23 42 09.00 +22 52 38.8 19.2 N EL055704
CK08L020 C2008 06 13.39036 23 42 09.90 +22 52 45.6 19.4 N EL055704
CK08L020 C2008 06 13.40014 23 42 10.73 +22 52 51.8 19.5 N EL055704
CK08L020 C2008 06 13.40379 23 42 11.01 +22 52 53.4 18.3 T EL055703
CK08L020 C2008 06 13.40891 23 42 11.53 +22 52 58.2 19.0 T EL055854
CK08L020 C2008 06 13.40988 23 42 11.52 +22 52 58.0 18.4 T EL055703
CK08L020 C2008 06 13.41100 23 42 11.67 +22 52 59.1 19.1 T EL055H06
CK08L020 C2008 06 13.41274 23 42 11.88 +22 53 01.2 18.8 T EL055854
CK08L020 C2008 06 13.41602 23 42 12.06 +22 53 03.0 18.4 T EL055703
CK08L020 C2008 06 13.41657 23 42 12.17 +22 53 02.9 18.7 T EL055854
CK08L020 C2008 06 13.42121 23 42 12.63 +22 53 05.2 19.1 T EL055H06
CK08L020 C2008 06 13.42211 23 42 12.70 +22 53 07.7 18.2 T EL055703
CK08L020 C2008 06 13.43263 23 42 13.65 +22 53 12.8 19.0 T EL055H06
CK08L020 C2008 06 14.38345 23 43 39.19 +23 03 53.3 18.8 T EL055734
CK08L020 C2008 06 14.38639 23 43 39.45 +23 03 55.2 19.1 t EL055734
CK08L020 C2008 06 14.38891 23 43 39.74 +23 03 57.6 19.2 T EL055H01
CK08L020 C2008 06 14.38929 23 43 39.71 +23 03 57.1 19.0 T EL055734
CK08L020 C2008 06 14.39243 23 43 40.05 +23 03 59.9 19.2 T EL055H01
CK08L020 C2008 06 14.39589 23 43 40.37 +23 04 02.3 19.1 T EL055H01
CK08L020 C2008 06 14.39845 23 43 40.58 +23 04 04.0 19.2 T EL055H01
CK08L020 C2008 06 14.40316 23 43 41.01 +23 04 07.3 19.1 T EL055H01
CK08L020 C2008 06 14.41392 23 43 41.91 +23 04 13.9 18.7 T EL055703
CK08L020 C2008 06 14.41913 23 43 42.31 +23 04 16.9 18.4 T EL055703
CK08L020 C2008 06 14.42433 23 43 42.78 +23 04 21.2 18.4 T EL055703
CK08L020 C2008 06 14.42951 23 43 43.17 +23 04 24.7 18.3 T EL055703
Observer details:
300 Bisei Spaceguard Center--BATTeRS. Observers N. Hashimoto, S. Okumura.
1.0-m f/3.0 reflector + CCD.
703 Catalina Sky Survey. Observer R. E. Hill. Measurers E. C. Beshore,
A. Boattini, 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.
734 Farpoint Observatory. Observer G. Hug. 0.7-m reflector + CCD.
854 Sabino Canyon Observatory, Tucson. Observer J. E. McGaha. 0.36-m f/10.0
Schmidt-Cassegrain + CCD.
B20 Observatorio Carmelita, Tiana. Observer J. M. Aymami. 0.25-m f/4.3
Schmidt-Cassegrain + CCD.
H01 Magdalena Ridge Observatory, Socorro. Observer W. H. Ryan. 2.4-m f/8.9
reflector + CCD.
H06 RAS Observatory, Mayhill. Observers E. Guido, G. Sostero. 0.25-m f/3.4
reflector + CCD.
Orbital elements:
C/2008 L2 (Hill)
T 2008 July 27.949 TT MPC
q 2.50913 (2000.0) P Q
Peri. 130.899 +0.944652 +0.150670
Node 222.914 -0.178694 +0.981274
e 1.0 Incl. 25.341 +0.275137 +0.120002
From 39 observations 2008 June 12-14.
Ephemeris:
C/2008 L2 (Hill)
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2
2008 06 13 23 41.57 +22 48.4 2.568 2.556 77.9 22.9 18.1
2008 06 23 23 56.29 +24 37.1 2.454 2.538 82.9 23.4 18.0
2008 07 03 00 10.20 +26 16.0 2.343 2.524 88.1 23.7 17.9
2008 07 13 00 23.06 +27 42.5 2.235 2.514 93.7 23.8 17.8
2008 07 23 00 34.64 +28 53.8 2.131 2.510 99.7 23.5 17.6
Brian G. Marsden (C) Copyright 2008 MPC M.P.E.C. 2008-L55
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