MPEC 2008-U53 : COMET 51P/HARRINGTON
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M.P.E.C. 2008-U53 Issued 2008 Oct. 25, 16:12 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 51P/HARRINGTON
Observations:
0051P C2008 10 21.01196 04 53 26.95 +17 59 45.3 17.4 N EU053J47
0051P C2008 10 21.01382 04 53 26.92 +17 59 45.5 17.4 N EU053J47
0051P C2008 10 21.01567 04 53 26.88 +17 59 45.6 17.5 N EU053J47
0051P C2008 10 21.02597 04 53 26.59 +17 59 46.5 16.2 N EU053J47
0051P C2008 10 21.97983 04 53 10.02 +18 01 00.7 18.2 N EU053B42
0051P C2008 10 22.00267 04 53 09.59 +18 01 02.4 17.8 N EU053B42
0051P C2008 10 24.01374 04 52 28.24 +18 03 42.1 17.5 N EU053J47
0051P C2008 10 24.01871 04 52 28.19 +18 03 43.0 17.5 N EU053J47
0051P C2008 10 24.02924 04 52 27.91 +18 03 43.5 17.5 N EU053J47
0051P C2008 10 24.03296 04 52 27.78 +18 03 43.6 17.6 N EU053J47
0051P C2008 10 25.27491 04 51 57.39 +18 05 18.7 16.3 N EU053H45
0051P C2008 10 25.27725 04 51 57.34 +18 05 19.0 16.5 N EU053H45
0051P C2008 10 25.27938 04 51 57.24 +18 05 19.1 16.5 N EU053H45
0051P C2008 10 25.28490 04 51 57.11 +18 05 19.3 16.4 N EU053H45
0051P C2008 10 25.28707 04 51 57.00 +18 05 19.5 16.4 N EU053H45
0051P C2008 10 25.28864 04 51 57.00 +18 05 19.8 16.2 N EU053H45
Observer details:
B42 Vitebsk. Observer V. Nevski. 0.3-m f/5.0 reflector + CCD.
H45 Petit Jean Mountain South. Observer P. C. Sherrod. 0.51-m f/4.3
astrograph + CCD.
J47 Observatorio Nazaret. Observer G. Muler. 0.30-m Schmidt-Cassegrain + CCD.
Orbital elements:
51P/Harrington
Epoch 1994 Sept. 5.0 TT = JDT 2449600.5
T 1994 Aug. 23.25607 TT MPC
q 1.5718415 (2000.0) P Q
n 0.14532995 Peri. 233.46595 +0.98397704 +0.12064610
a 3.5828830 Node 119.26321 -0.07212373 +0.94269785
e 0.5612914 Incl. 8.65481 -0.16305629 +0.31107118
P 6.78
Epoch 2001 June 20.0 TT = JDT 2452080.5
T 2001 June 5.74358 TT MPC
q 1.5680775 (2000.0) P Q
n 0.14560177 Peri. 233.59816 +0.98406617 +0.11979255
a 3.5784225 Node 119.18104 -0.07124062 +0.94270692
e 0.5617964 Incl. 8.65535 -0.16290656 +0.31137342
P 6.77
Epoch 2008 June 23.0 TT = JDT 2454640.5
T 2008 June 18.39909 TT MPC
q 1.6877644 (2000.0) P Q
n 0.13830973 Peri. 269.16931 +0.98796971 +0.12276778
a 3.7031180 Node 83.77510 -0.07462469 +0.91108638
e 0.5442315 Incl. 5.42830 -0.13545116 +0.39350944
P 7.13
From 420 observations 1994-2008, mean residual 0".8. Nongravitational
parameters A1 = +4.54, A2 = +0.0320.
Ephemeris:
51P/Harrington
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2
2008 10 21 04 53.44 +17 59.8 1.240 2.057 133.5 20.5 16.7 21.1
2008 10 31 04 48.91 +18 12.4 1.219 2.108 144.5 15.9 16.9 20.9
2008 11 10 04 41.19 +18 23.7 1.217 2.161 156.3 10.6 17.1 20.8
2008 11 20 04 31.45 +18 33.8 1.238 2.215 168.4 5.1 17.4 20.6
2008 11 30 04 21.15 +18 43.3 1.285 2.271 176.9 1.3 17.7 20.5
2008 12 10 04 11.84 +18 53.9 1.359 2.327 166.2 5.8 18.0 21.0
2008 12 20 04 04.67 +19 07.1 1.458 2.384 154.5 10.2 18.4 21.4
2008 12 30 04 00.30 +19 24.5 1.580 2.441 143.4 13.9 18.7 21.7
2009 01 09 03 58.94 +19 46.7 1.723 2.499 133.0 16.7 19.1 22.1
2009 01 19 04 00.44 +20 13.4 1.882 2.557 123.2 18.8 19.5 22.4
Brian G. Marsden (C) Copyright 2008 MPC M.P.E.C. 2008-U53
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