MPEC 2009-Y21 : COMET P/2009 W1 = 1999 XO188 (HILL)
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M.P.E.C. 2009-Y21 Issued 2009 Dec. 17, 23:18 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 W1 = 1999 XO188 (HILL)
Observations:
PK09W010 C2008 11 08.22640 02 53 53.62 +12 25 59.0 21.7 N EY021G96
PK09W010 C2008 11 08.23468 02 53 53.26 +12 25 59.1 20.6 N EY021G96
PK09W010 C2008 11 08.24288 02 53 52.87 +12 25 59.4 21.1 N EY021G96
PK09W010 C2008 11 08.25111 02 53 52.44 +12 25 58.8 20.6 N EY021G96
PK09W010 C2009 12 17.19954 10 03 57.34 +30 35 26.7 17.4 N EY021A77
PK09W010 C2009 12 17.20419 10 03 57.41 +30 35 28.1 17.3 N EY021A77
PK09W010 C2009 12 17.20885 10 03 57.47 +30 35 30.0 17.6 N EY021A77
Observer details:
A77 Observatoire Chante-Perdrix, Dauban. Observers C. Rinner, F. Kugel.
Measurer F. Kugel. 0.5-m f/3 reflector + CCD.
G96 Mt. Lemmon Survey. Observer A. D. Grauer. Measurers E. C. Beshore,
A. R. Gibbs, A. D. Grauer, R. E. Hill, R. A. Kowalski, S. M. Larson.
1.5-m reflector + CCD.
Orbital elements:
P/2009 W1 = 1999 XO188 (identification by F. Manca)
Epoch 2000 Apr. 6.0 TT = JDT 2451640.5
T 2000 Apr. 18.05278 TT MPC
q 2.9614945 (2000.0) P Q
n 0.10460275 Peri. 53.35918 -0.31268816 -0.92629830
a 4.4610866 Node 56.17600 +0.77055880 -0.37678892
e 0.3361495 Incl. 14.65882 +0.55539648 +0.00125228
P 9.42
Epoch 2009 Oct. 16.0 TT = JDT 2455120.5
T 2009 Oct. 1.53704 TT MPC
q 2.9831547 (2000.0) P Q
n 0.10382870 Peri. 53.42959 -0.31338530 -0.92615674
a 4.4832310 Node 56.14440 +0.77042710 -0.37713840
e 0.3345971 Incl. 14.63479 +0.55518622 +0.00056510
P 9.49
Residuals in seconds of arc
991212 704 0.3+ 0.7+ 091119 G96 1.2+ 0.2- 091125 H45 1.1+ 0.4-
991212 704 0.4- 0.0 091119 G96 1.2+ 0.3- 091125 H45 0.5+ 0.7-
991212 704 0.8- 0.1- 091119 G96 1.1+ 0.1- 091125 H45 0.3+ 0.8-
991212 704 1.0- 0.4- 091119 349 1.1- 0.8+ 091125 H45 0.1+ 0.0
991212 704 0.3- 0.0 091119 349 0.9- 0.6+ 091125 H45 0.7- 0.0
991215 704 0.3- 0.8- 091120 A77 0.7+ 0.4+ 091125 H45 1.9- 0.4-
991215 704 0.4- 0.1- 091120 A77 0.6+ 1.0+ 091125 372 (2.0+ 0.8+)
991215 704 1.8+ 1.0+ 091120 I10 1.5+ 0.1+ 091125 372 1.2+ 0.4+
991215 704 0.7+ 1.1+ 091120 850 0.8- 0.8+ 091126 A79 0.5- 0.1+
000102 704 0.4+ 1.0- 091120 850 0.7- 0.0 091126 A79 0.1- 0.1+
000102 704 0.2+ 1.0- 091121 A79 0.1+ 0.6+ 091127 585 0.6+ 0.2+
000102 704 (1.2+ 2.5-) 091121 A79 0.2+ 0.8+ 091127 585 1.0- 0.3+
081108 G96 0.2- 0.0 091121 H06 1.3- 0.3- 091127 585 1.3+ 0.8-
081108 G96 0.3+ 0.0 091121 H06 0.2- 0.0 091128 B18 0.6- 0.5-
081108 G96 0.2+ 0.3+ 091121 H10 1.3+ 0.8- 091128 B18 0.0 0.4-
081108 G96 0.3- 0.4- 091121 H10 0.8- 0.7+ 091128 B18 0.6- 0.3-
091118 703 0.9- 0.1- 091121 H10 1.0+ 0.2+ 091128 850 1.1- 0.3+
091118 703 1.5- 0.3+ 091121 900 0.2- 0.0 091128 850 1.0- 0.5+
091118 703 1.4- 0.5- 091121 900 0.1- 0.1- 091128 850 0.9- 0.3+
091118 703 1.6- 0.0 091121 204 0.3+ 0.0 091128 850 1.2- 0.5+
091119 114 1.0+ 0.4- 091121 473 0.1+ 0.0 091128 850 1.1- 0.4+
091119 114 0.2+ 0.0 091121 473 0.5+ 0.0 091129 B18 0.3+ 0.3-
091119 114 0.8+ 0.0 091122 204 0.1- 0.2- 091129 B18 0.1- 0.2-
091119 114 0.9+ 0.1- 091122 215 (2.8+ 1.1-) 091129 B18 0.3- 0.4-
091119 114 0.9+ 0.7- 091122 215 (2.5+ 1.1-) 091205 I10 0.8- 0.8-
091119 B18 0.0 0.1- 091122 215 (2.1+ 1.0-) 091205 I10 0.9+ 0.1+
091119 B18 0.1- 0.4- 091122 I10 0.6- 0.2+ 091205 I10 1.3+ 0.1-
091119 B18 0.7+ 0.2- 091122 H10 0.7+ 0.4- 091206 J40 0.3+ 0.7-
091119 A79 1.7- 0.8+ 091122 H10 0.7+ 0.7- 091206 J40 0.3+ 0.4-
091119 A79 0.3+ 0.4+ 091122 H10 0.9+ 0.3+ 091206 J40 0.4+ 0.2-
091119 A79 0.3- 0.4- 091122 400 0.8+ 0.9- 091209 J47 0.7+ 0.2+
091119 A79 0.3- 0.4+ 091122 400 0.4+ 0.5- 091209 J47 0.1+ 0.4-
091119 703 0.4+ 1.1+ 091122 400 0.7+ 1.0- 091209 J47 0.3+ 1.1-
091119 703 0.5+ 0.6- 091123 H10 (4.1+ 2.4-) 091210 704 0.6+ 0.6+
091119 703 1.0+ 0.7+ 091123 H10 (2.5+ 0.8-) 091210 704 0.4- 0.6-
091119 703 0.5- 0.6+ 091123 H10 (1.0+ 2.1+) 091210 704 0.9+ 0.4+
091119 703 0.6- 0.3+ 091123 H06 0.4- 0.8+ 091215 461 0.1- 0.2+
091119 703 1.0- 0.2+ 091123 H06 0.6- 1.1+ 091215 461 0.2- 0.1+
091119 703 0.8- 0.3+ 091123 H06 1.0- 1.5+ 091215 461 0.6+ 0.4+
091119 703 1.3- 0.1+ 091123 372 0.9+ 0.8+ 091217 A77 0.6- 0.5-
091119 H36 0.2+ 0.3+ 091124 A77 0.3+ 0.3- 091217 A77 0.7- 0.6-
091119 H36 0.4+ 0.1+ 091124 A77 0.1+ 0.6+ 091217 A77 0.9- 0.2-
091119 H36 0.3+ 0.1- 091124 A77 0.0 0.5+
091119 G96 0.9+ 0.2- 091125 H45 0.1- 0.2-
Ephemeris:
P/2009 W1 = 1999 XO188 (Hill)
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2
2009 12 15 10 03.25 +30 24.0 2.406 3.014 119.4 16.5 18.2
2009 12 25 10 05.47 +31 19.9 2.310 3.022 128.5 14.7 18.1
2010 01 04 10 05.14 +32 23.9 2.231 3.032 137.8 12.6 18.1
2010 01 14 10 02.27 +33 31.3 2.172 3.043 146.7 10.2 18.0
2010 01 24 09 57.13 +34 35.7 2.137 3.054 154.4 8.0 18.0
2010 02 03 09 50.32 +35 29.7 2.128 3.067 158.7 6.7 18.0
2010 02 13 09 42.67 +36 07.3 2.146 3.081 157.4 7.1 18.0
2010 02 23 09 35.19 +36 24.4 2.190 3.095 151.4 8.8 18.1
2010 03 05 09 28.85 +36 19.9 2.259 3.110 143.2 11.0 18.2
2010 03 15 09 24.33 +35 55.7 2.350 3.127 134.3 13.2 18.3
2010 03 25 09 22.07 +35 14.6 2.460 3.144 125.3 15.0 18.4
2010 04 04 09 22.16 +34 20.2 2.584 3.161 116.6 16.4 18.6
2010 04 14 09 24.50 +33 15.7 2.720 3.180 108.3 17.4 18.7
2010 04 24 09 28.88 +32 03.5 2.864 3.199 100.2 18.0 18.8
2010 05 04 09 35.02 +30 45.5 3.012 3.220 92.6 18.2 19.0
2010 05 14 09 42.61 +29 23.1 3.163 3.240 85.3 18.1 19.1
2010 05 24 09 51.40 +27 57.1 3.314 3.262 78.2 17.7 19.2
2010 06 03 10 01.14 +26 28.2 3.463 3.284 71.4 17.0 19.4
2010 06 13 10 11.64 +24 56.9 3.608 3.306 64.8 16.1 19.5
2010 06 23 10 22.73 +23 23.7 3.747 3.329 58.4 15.1 19.6
2010 07 03 10 34.26 +21 49.1 3.879 3.353 52.2 13.9 19.7
2010 07 13 10 46.12 +20 13.2 4.003 3.377 46.0 12.5 19.8
2010 07 23 10 58.22 +18 36.7 4.117 3.402 40.0 11.1 19.9
2010 08 02 11 10.48 +16 59.9 4.221 3.427 34.0 9.5 20.0
Brian G. Marsden (C) Copyright 2009 MPC M.P.E.C. 2009-Y21
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Enter an MPEC number in one of the following forms:
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- B01 (the abbreviated form)
