MPEC 2010-D01 : COMET P/2009 WJ50 (LA SAGRA)
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Read MPEC 2010-C80
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M.P.E.C. 2010-D01 Issued 2010 Feb. 16, 01:35 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 P/2009 WJ50 (LA SAGRA)
Observations:
PK09W50J S2010 02 06.09596 03 17 38.77 +20 54 33.5 ED001C51
PK09W50J s2010 02 06.09596 1 +4958.7757 +4305.6006 +2136.8820 ED001C51
PK09W50J S2010 02 06.22827 03 17 50.84 +20 56 07.0 ED001C51
PK09W50J s2010 02 06.22827 1 +4951.2741 +4321.3203 +2122.5043 ED001C51
PK09W50J S2010 02 06.36070 03 18 03.09 +20 57 42.6 ED001C51
PK09W50J s2010 02 06.36070 1 +4931.7885 +4311.2680 +2187.6152 ED001C51
PK09W50J S2010 02 06.49300 03 18 15.18 +20 59 16.0 ED001C51
PK09W50J s2010 02 06.49300 1 +4924.3870 +4327.5115 +2172.8229 ED001C51
PK09W50J S2010 02 06.62531 03 18 27.33 +21 00 51.9 ED001C51
PK09W50J s2010 02 06.62531 1 +4916.8827 +4343.6357 +2157.2650 ED001C51
PK09W50J S2010 02 06.69152 03 18 33.52 +21 01 37.2 ED001C51
PK09W50J s2010 02 06.69152 1 +4907.0699 +4338.5600 +2189.3748 ED001C51
PK09W50J S2010 02 06.75761 03 18 39.54 +21 02 24.8 ED001C51
PK09W50J s2010 02 06.75761 1 +4909.0437 +4359.4049 +2143.3964 ED001C51
PK09W50J S2010 02 06.82383 03 18 45.73 +21 03 11.8 ED001C51
PK09W50J s2010 02 06.82383 1 +4899.2025 +4354.2870 +2175.9897 ED001C51
PK09W50J S2010 02 06.95613 03 18 57.96 +21 04 46.2 ED001C51
PK09W50J s2010 02 06.95613 1 +4891.3572 +4370.0178 +2162.3792 ED001C51
PK09W50J S2010 02 07.02235 03 19 04.11 +21 05 34.6 ED001C51
PK09W50J s2010 02 07.02235 1 +4881.3820 +4365.1414 +2193.9354 ED001C51
PK09W50J S2010 02 07.08856 03 19 10.38 +21 06 20.8 ED001C51
PK09W50J s2010 02 07.08856 1 +4871.4394 +4359.9838 +2225.4950 ED001C51
PK09W50J S2010 02 07.35317 03 19 34.95 +21 09 28.3 ED001C51
PK09W50J s2010 02 07.35317 1 +4856.1566 +4391.2762 +2197.7102 ED001C51
PK09W50J S2010 02 07.61791 03 19 59.83 +21 12 37.3 ED001C51
PK09W50J s2010 02 07.61791 1 +4828.9173 +4396.9037 +2246.0742 ED001C51
PK09W50J C2010 02 13.20029 03 29 09.49 +22 17 57.4 ED001291
PK09W50J C2010 02 13.20521 03 29 10.03 +22 18 02.1 ED001291
PK09W50J C2010 02 13.20933 03 29 10.48 +22 18 04.4 ED001291
PK09W50J C2010 02 15.11504 03 32 29.88 +22 40 01.9 20.3 N ED001H01
PK09W50J C2010 02 15.12639 03 32 31.06 +22 40 09.6 20.1 N ED001H01
PK09W50J C2010 02 15.14472 03 32 32.98 +22 40 21.9 ED001H01
Observer details:
291 LPL/Spacewatch II. Observer M. T. Read. 1.8-m f/2.7 reflector + CCD.
C51 WISE. Measurers A. Mainzer, E. Wright, J. Bauer, T. Grav, J. Dailey, J.
Masiero, R. Cutri, R. McMillan, R. Walker.
(http://wise.ssl.berkeley.edu/mission_sci.html)
H01 Magdalena Ridge Observatory, Socorro. Observers W. H. Ryan, E. V. Ryan.
Measurer W. H. Ryan. 2.4-m f/8.9 reflector + CCD.
Orbital elements:
P/2009 WJ50 (La Sagra)
Epoch 2010 Mar. 25.0 TT = JDT 2455280.5
T 2010 Mar. 12.40323 TT MPC
q 1.7915613 (2000.0) P Q
n 0.18637346 Peri. 27.12954 -0.20154901 -0.96109697
a 3.0353819 Node 74.99580 +0.85945534 -0.26601979
e 0.4097740 Incl. 11.27586 +0.46980263 +0.07433758
P 5.29
Residuals in seconds of arc
091114 704 0.6+ 0.1- 091121 703 0.5- 0.2- 100206 C51 0.8- 0.3-
091114 704 0.6+ 0.1- 091121 703 0.5- 0.5- 100206 C51 0.1+ 0.4-
091114 704 1.9+ 1.2+ 091121 703 0.7+ 0.2- 100206 C51 0.4- 0.2-
091114 704 0.2- 1.2+ 091121 703 0.6- 0.7+ 100207 C51 0.4- 1.1+
091119 704 1.1- 0.4+ 091210 703 0.5+ 0.2+ 100207 C51 1.2+ 0.2+
091119 704 0.6- 0.1- 091210 703 0.6+ 0.3- 100207 C51 0.3- 0.4-
091119 704 0.9+ 0.8- 091210 703 0.0 0.1+ 100207 C51 0.7+ 0.5+
091119 704 0.2+ 1.1+ 091210 703 0.4+ 0.6+ 100213 291 0.6- 0.7-
091119 J75 0.5- 0.2- 100206 C51 0.2- 0.0 100213 291 0.0 0.6+
091119 J75 0.6- 1.2- 100206 C51 0.6- 0.9- 100213 291 0.4+ 0.1+
091119 J75 0.3+ 0.6- 100206 C51 0.9+ 0.3+ 100215 H01 0.2+ 0.3+
091121 703 1.1- 0.2+ 100206 C51 0.1- 0.6- 100215 H01 0.2+ 0.3+
091121 703 0.2- 0.8- 100206 C51 0.7- 1.0+ 100215 H01 0.3+ 0.1+
091121 703 0.5- 0.6- 100206 C51 0.4+ 0.8-
Ephemeris:
P/2009 WJ50 (La Sagra)
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2
2010 02 13 03 28.82 +22 15.7 1.489 1.806 91.4 33.1 19.9
2010 02 23 03 47.21 +24 08.1 1.574 1.797 85.8 33.3 20.0
2010 03 05 04 07.91 +25 51.6 1.661 1.793 80.8 33.1 20.1
2010 03 15 04 30.63 +27 22.9 1.749 1.792 76.1 32.6 20.2
2010 03 25 04 55.07 +28 39.1 1.837 1.795 71.7 31.8 20.4
2010 04 04 05 20.90 +29 37.8 1.926 1.801 67.6 30.9 20.5
2010 04 14 05 47.79 +30 16.9 2.016 1.811 63.7 29.8 20.6
2010 04 24 06 15.40 +30 35.3 2.106 1.825 60.0 28.5 20.7
(Last issue was M.P.E.C. 2010-C80)
Brian G. Marsden (C) Copyright 2010 MPC M.P.E.C. 2010-D01
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