MPEC 2007-R31 : COMET 139P/VAISALA-OTERMA
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M.P.E.C. 2007-R31 Issued 2007 Sept. 7, 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://www.cfa.harvard.edu/iau/mpc.html ISSN 1523-6714
COMET 139P/VAISALA-OTERMA
Observations:
0139P C2007 08 13.02559 01 09 38.97 +09 56 04.3 19.5 T ER031215
0139P C2007 08 14.94166 01 09 46.71 +09 57 32.3 19.2 T ER031215
0139P C2007 09 06.91397 01 06 31.82 +09 44 00.1 18.8 N ER031B42
0139P C2007 09 06.93172 01 06 31.82 +09 44 00.0 18.9 N ER031B42
0139P C2007 09 06.94949 01 06 31.09 +09 43 57.5 19.3 N ER031B42
Observer details:
215 Buchloe. Observer W. Hasubick. 0.44-m f/4.6 reflector + CCD.
B42 Vitebsk. Observer V. Nevski. 0.3-m f/5.0 reflector + CCD.
Orbital elements:
139P/Vaisala-Oterma
Epoch 2008 Apr. 4.0 TT = JDT 2454560.5
T 2008 Apr. 19.34777 TT MPC
q 3.4027928 (2000.0) P Q
n 0.10270138 Peri. 165.52239 +0.66927794 -0.74213761
a 4.5159786 Node 242.45213 +0.67759437 +0.62953421
e 0.2464993 Incl. 2.32957 +0.30484899 +0.23004010
P 9.60
From 96 observations 1939 Oct. 7-2007 Sept. 6, mean residual 0".69.
Ephemeris:
139P/Vaisala-Oterma
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2
2007 09 07 01 06.50 +09 43.9 2.683 3.554 144.8 9.4 17.2 19.0
2007 09 17 01 02.50 +09 20.2 2.602 3.542 155.5 6.8 17.1 18.8
2007 09 27 00 57.36 +08 47.6 2.547 3.530 166.6 3.8 17.0 18.6
2007 10 07 00 51.55 +08 08.7 2.520 3.518 177.0 0.9 17.0 18.4
2007 10 17 00 45.67 +07 27.0 2.521 3.507 170.0 2.8 17.0 18.5
2007 10 27 00 40.33 +06 46.8 2.552 3.497 158.7 5.9 17.0 18.7
2007 11 06 00 36.08 +06 11.8 2.609 3.486 147.6 8.8 17.0 18.9
2007 11 16 00 33.32 +05 45.4 2.690 3.477 136.7 11.2 17.1 19.1
2007 11 26 00 32.30 +05 29.7 2.791 3.468 126.3 13.3 17.1 19.2
2007 12 06 00 33.11 +05 25.6 2.907 3.459 116.4 14.8 17.2 19.3
2007 12 16 00 35.72 +05 33.2 3.035 3.451 106.9 15.8 17.3 19.5
2007 12 26 00 40.03 +05 52.1 3.170 3.444 97.8 16.4 17.4 19.6
2008 01 05 00 45.88 +06 21.1 3.309 3.437 89.1 16.6 17.5 19.7
2008 01 15 00 53.11 +06 59.1 3.447 3.431 80.8 16.4 17.5 19.7
2008 01 25 01 01.56 +07 44.8 3.583 3.426 72.9 15.9 17.6 19.8
2008 02 04 01 11.06 +08 36.6 3.714 3.421 65.2 15.2 17.7 19.9
2008 02 14 01 21.48 +09 33.5 3.838 3.416 57.8 14.2 17.8 19.9
2008 02 24 01 32.70 +10 34.0 3.952 3.412 50.7 13.0 17.8 19.9
2008 03 05 01 44.60 +11 37.0 4.056 3.409 43.8 11.6 17.9 19.9
2008 03 15 01 57.09 +12 41.4 4.148 3.407 37.0 10.1 17.9 19.9
2008 03 25 02 10.09 +13 46.0 4.227 3.405 30.4 8.5 18.0 19.9
Brian G. Marsden (C) Copyright 2007 MPC M.P.E.C. 2007-R31
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