MPEC 2010-D02 : COMET P/2009 WJ50 = 2005 JR71 (La Sagra)
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M.P.E.C. 2010-D02 Issued 2010 Feb. 16, 04:16 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 = 2005 JR71 (La Sagra)
Orbital elements:
P/2009 WJ50 = 2005 JR71 (La Sagra)
Epoch 2004 Nov. 11.0 TT = JDT 2453320.5
T 2004 Nov. 15.89137 TT MPC
q 1.8280590 (2000.0) P Q
n 0.18492009 Peri. 26.70190 -0.19802630 -0.96184872
a 3.0512654 Node 75.20880 +0.86080715 -0.26276133
e 0.4008849 Incl. 11.25849 +0.46882475 +0.07618089
P 5.33
Epoch 2010 Mar. 25.0 TT = JDT 2455280.5
T 2010 Mar. 12.39525 TT MPC
q 1.7915591 (2000.0) P Q
n 0.18645940 Peri. 27.12523 -0.20147737 -0.96111343
a 3.0344492 Node 74.99581 +0.85947689 -0.26595214
e 0.4095933 Incl. 11.27542 +0.46979394 +0.07436689
P 5.29
Residuals in seconds of arc
050508 704 0.6- 0.2- 091119 J75 0.7- 1.1- 100206 C51 0.2- 0.7-
050508 704 1.1- 1.0+ 091119 J75 0.2+ 0.5- 100206 C51 0.7- 0.9+
050508 704 1.0- 0.3- 091121 703 1.1- 0.2+ 100206 C51 0.4+ 0.9-
050510 704 0.8+ 0.1- 091121 703 0.2- 0.8- 100206 C51 0.9- 0.4-
050510 704 0.3+ 0.4- 091121 703 0.5- 0.6- 100206 C51 0.0 0.5-
050510 704 1.0+ 0.1+ 091121 703 0.5- 0.1- 100206 C51 0.5- 0.3-
050510 704 0.7+ 0.2- 091121 703 0.5- 0.5- 100207 C51 0.5- 1.0+
091114 704 0.0 0.1+ 091121 703 0.7+ 0.2- 100207 C51 1.1+ 0.2+
091114 704 0.1- 0.1+ 091121 703 0.6- 0.8+ 100207 C51 0.4- 0.5-
091114 704 1.2+ 1.5+ 091210 703 1.5+ 0.3- 100207 C51 0.6+ 0.4+
091114 704 0.9- 1.5+ 091210 703 1.6+ 0.8- 100213 291 0.6- 0.6-
091119 704 1.3- 0.5+ 091210 703 1.0+ 0.5- 100213 291 0.0 0.7+
091119 704 0.7- 0.0 091210 703 1.5+ 0.1+ 100213 291 0.4+ 0.2+
091119 704 0.8+ 0.7- 100206 C51 0.3- 0.1- 100215 H01 0.2+ 0.6+
091119 704 0.1+ 1.2+ 100206 C51 0.7- 1.0- 100215 H01 0.2+ 0.5+
091119 J75 0.6- 0.2- 100206 C51 0.8+ 0.2+ 100215 H01 0.3+ 0.3+
Ephemeris:
P/2009 WJ50 = 2005 JR71 (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 18.4
2010 02 23 03 47.21 +24 08.1 1.574 1.797 85.8 33.3 18.5
2010 03 05 04 07.91 +25 51.6 1.661 1.793 80.8 33.1 18.6
2010 03 15 04 30.62 +27 22.9 1.749 1.792 76.1 32.6 18.7
2010 03 25 04 55.07 +28 39.1 1.837 1.795 71.7 31.8 18.9
2010 04 04 05 20.90 +29 37.7 1.926 1.801 67.6 30.9 19.0
2010 04 14 05 47.79 +30 16.9 2.016 1.811 63.7 29.8 19.1
2010 04 24 06 15.39 +30 35.3 2.106 1.825 60.0 28.5 19.2
The identification is on MPO 169487.
Brian G. Marsden (C) Copyright 2010 MPC M.P.E.C. 2010-D02
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