MPEC 2007-B22 : COMET P/2007 A2 = 2006 WY182 (CHRISTENSEN)
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M.P.E.C. 2007-B22 Issued 2007 Jan. 19, 19:24 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 P/2007 A2 = 2006 WY182 (CHRISTENSEN)
Observations:
PK07A020 C2007 01 13.02011 08 59 06.11 +13 07 28.1 20.6 T EB022176
PK07A020 C2007 01 13.02166 08 59 06.03 +13 07 27.4 20.5 T EB022176
PK07A020 C2007 01 13.02322 08 59 05.95 +13 07 26.6 20.5 T EB022176
PK07A020 C2007 01 13.02477 08 59 05.87 +13 07 25.9 20.5 T EB022176
PK07A020 C2007 01 13.02633 08 59 05.79 +13 07 25.2 20.5 T EB022176
PK07A020 C2007 01 13.79639 08 58 28.71 +13 01 04.9 18.5 T EB022215
PK07A020 C2007 01 13.92658 08 58 22.10 +13 00 02.4 19.2 N EB022A13
PK07A020 C2007 01 13.94436 08 58 21.17 +12 59 53.8 19.9 N EB022A13
PK07A020 C2007 01 13.96216 08 58 20.28 +12 59 44.0 20.0 N EB022A13
PK07A020 C2007 01 13.98888 08 58 19.01 +12 59 32.5 19.9 N EB022213
PK07A020 C2007 01 14.01280 08 58 17.80 +12 59 20.8 20.1 N EB022213
PK07A020 C2007 01 14.03748 08 58 16.53 +12 59 08.7 19.9 N EB022213
PK07A020 C2007 01 14.10165 08 58 13.30 +12 58 38.6 18.5 N EB022232
PK07A020 C2007 01 14.10188 08 58 13.26 +12 58 38.2 18.7 N EB022232
PK07A020 C2007 01 14.11240 08 58 12.77 +12 58 32.8 19.0 N EB022232
PK07A020 2007 01 14.63958 08 57 46.93 +12 54 15.6 19.2 T EB022372
PK07A020 C2007 01 14.64683 08 57 46.55 +12 54 10.9 EB022349
PK07A020 C2007 01 14.65977 08 57 45.89 +12 54 04.6 EB022349
PK07A020 2007 01 14.66667 08 57 45.56 +12 54 01.6 19.3 T EB022372
PK07A020 C2007 01 14.67272 08 57 45.21 +12 53 58.2 19.0 T EB022349
PK07A020 C2007 01 15.91807 08 56 42.89 +12 43 52.3 EB022246
PK07A020 C2007 01 15.91894 08 56 42.74 +12 43 52.3 EB022246
PK07A020 C2007 01 15.92134 08 56 42.66 +12 43 50.1 EB022246
PK07A020 C2007 01 15.92337 08 56 42.52 +12 43 49.4 EB022246
PK07A020 C2007 01 17.31159 08 55 31.38 +12 32 38.9 20.6 T EB022683
PK07A020 C2007 01 17.32528 08 55 30.73 +12 32 30.3 19.7 T EB022683
PK07A020 C2007 01 17.33897 08 55 29.91 +12 32 24.4 20.1 T EB022683
Observer details:
176 Observatori Astronomic de Consell. Observers A. Lopez, R. Pacheco.
0.41-m f/4 reflector + CCD.
213 Observatorio Montcabre. Observer R. Naves. Measurer M. Campas. 0.30-m
f/10 Schmidt-Cassegrain + CCD.
215 Buchloe. Observer W. Hasubick. 0.44-m f/4.6 reflector + CCD.
232 Masquefa Observatory. Observer E. Reina. 0.25-m f/3.3 Schmidt-Cassegrain
+ CCD.
246 Klet Observatory-KLENOT. Observers M. Tichy, J. Ticha. Measurer M. Tichy.
1.06-m KLENOT Telescope + CCD.
349 Ageo. Observer K. Kadota. 0.25-m f/5.0 reflector + CCD.
372 Geisei. Observer T. Seki. 0.60-m f/3.5 reflector.
683 Goodricke-Pigott Observatory, Tucson. Observer R. Tucker. 0.35-m
reflector + CCD.
A13 Observatoire Naef, Marly. Observer P. Kocher. 0.5-m f/3.3 Hypergraph
+ CCD.
Orbital elements:
P/2007 A2 = 2006 WY182 (Christensen)
T 2007 Jan. 17.8231 TT MPC
q 2.796162 (2000.0) P Q
n 0.0618529 Peri. 186.9650 -0.6048812 -0.6986460
a 6.332315 Node 301.0441 +0.7504314 -0.3395787
e 0.558430 Incl. 26.4870 +0.2664047 -0.6297460
P 15.9
From 55 observations 2006 Nov. 24-2007 Jan. 17.
Ephemeris:
P/2007 A2 = 2006 WY182 (Christensen)
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2
2007 01 10 09 01.45 +13 32.4 1.874 2.797 155.2 8.5 19.3
2007 01 20 08 53.17 +12 11.2 1.831 2.796 166.2 4.8 19.3
2007 01 30 08 44.00 +10 54.5 1.818 2.798 173.0 2.5 19.3
2007 02 09 08 34.99 +09 43.5 1.834 2.801 165.9 4.9 19.3
2007 02 19 08 27.13 +08 39.1 1.880 2.807 155.1 8.5 19.4
2007 03 01 08 21.22 +07 41.3 1.951 2.815 144.2 11.9 19.4
2007 03 11 08 17.70 +06 49.4 2.045 2.825 133.8 14.7 19.6
2007 03 21 08 16.73 +06 01.8 2.156 2.837 124.1 16.9 19.7
2007 03 31 08 18.25 +05 16.7 2.281 2.850 115.0 18.5 19.8
Brian G. Marsden (C) Copyright 2007 MPC M.P.E.C. 2007-B22
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