MPEC 2010-P21 : COMET P/1999 XB69 = 2010 C2 (LINEAR)
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M.P.E.C. 2010-P21 Issued 2010 Aug. 4, 22:27 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.minorplanetcenter.org/iau/mpc.html ISSN 1523-6714
COMET P/1999 XB69 = 2010 C2 (LINEAR)
Observations:
PK10C020 C2008 10 31.23920 00 05 15.03 +15 36 33.8 21.2 N EP021G96
PK10C020 C2008 10 31.24683 00 05 14.82 +15 36 29.5 21.6 N EP021G96
PK10C020 C2008 10 31.25446 00 05 14.53 +15 36 25.9 21.8 N EP021G96
PK10C020 C2008 10 31.26214 00 05 14.28 +15 36 22.4 21.3 N EP021G96
PK10C020 S2010 02 01.56490 14 30 58.74 -25 34 02.2 EP021C51
PK10C020 s2010 02 01.56490 1 - 5119.7848 - 3653.5528 - 2872.1259 EP021C51
PK10C020 S2010 02 01.69721 14 31 05.03 -25 34 44.6 EP021C51
PK10C020 s2010 02 01.69721 1 - 5115.3848 - 3670.4440 - 2858.2394 EP021C51
PK10C020 S2010 02 01.76342 14 31 08.28 -25 35 03.4 EP021C51
PK10C020 s2010 02 01.76342 1 - 5102.4497 - 3663.7909 - 2889.6874 EP021C51
PK10C020 S2010 02 01.82951 14 31 11.42 -25 35 25.8 EP021C51
PK10C020 s2010 02 01.82951 1 - 5110.3868 - 3686.9233 - 2845.7616 EP021C51
PK10C020 S2010 02 01.96194 14 31 17.80 -25 36 08.2 EP021C51
PK10C020 s2010 02 01.96194 1 - 5085.1515 - 3674.5478 - 2906.6210 EP021C51
PK10C020 S2010 02 02.02803 14 31 20.90 -25 36 28.7 EP021C51
PK10C020 s2010 02 02.02803 1 - 5093.4820 - 3698.5168 - 2861.6917 EP021C51
PK10C020 S2010 02 02.16034 14 31 27.15 -25 37 09.7 EP021C51
PK10C020 s2010 02 02.16034 1 - 5089.1528 - 3715.8191 - 2847.0324 EP021C51
PK10C020 S2010 02 02.16046 14 31 27.14 -25 37 12.0 EP021C51
PK10C020 s2010 02 02.16046 1 - 5068.4349 - 3685.8053 - 2922.1362 EP021C51
PK10C020 S2010 02 02.55738 14 31 45.76 -25 39 15.4 EP021C51
PK10C020 s2010 02 02.55738 1 - 5054.6974 - 3737.1451 - 2879.5811 EP021C51
Observer details:
C51 WISE. Measurers A. Mainzer, E. Wright, J. Bauer, T. Grav, J. Dailey, J.
Masiero, R. Cutri, R. McMillan, R. Walker. Identification by G. V.
Williams.
G96 Mt. Lemmon Survey. Observer E. C. Beshore. Measurers E. C. Beshore,
A. Boattini, A. R. Gibbs, A. D. Grauer, R. E. Hill, R. A. Kowalski,
S. M. Larson. 1.5-m reflector + CCD. Identification by G. V.
Williams.
Orbital elements:
P/1999 XB69 = 2010 C2 (LINEAR)
Epoch 2000 Feb. 26.0 TT = JDT 2451600.5
T 2000 Feb. 17.03714 TT MPC
q 1.6392585 (2000.0) P Q
n 0.10485480 Peri. 220.17973 -0.43157808 -0.88165151
a 4.4539347 Node 256.16691 +0.86986569 -0.35070921
e 0.6319527 Incl. 11.33647 +0.23890173 -0.31574304
P 9.40
Epoch 2009 July 28.0 TT = JDT 2455040.5
T 2009 July 25.56417 TT MPC
q 1.6521195 (2000.0) P Q
n 0.10413626 Peri. 220.32448 -0.43209690 -0.88152749
a 4.4743993 Node 256.05307 +0.86964625 -0.35144090
e 0.6307617 Incl. 11.30587 +0.23876279 -0.31527541
P 9.46
Residuals in seconds of arc
991114 704 0.6+ 0.3- 000106 704 0.2- 0.3+ 000301 360 0.3+ 0.4+
991114 704 0.3+ 0.0 000106 704 0.4- 0.3+ 000301 360 0.1+ 0.4+
991114 704 0.7- 0.2+ 000106 704 0.5- 0.4+ 000301 360 0.1- 0.5+
991114 704 0.2- 0.3- 000106 704 0.1- 0.0 000330 360 0.1+ 0.3+
991116 704 0.1+ 1.3- 000113 046 0.9+ 0.1+ 000330 360 0.7+ 0.0
991116 704 0.3- 1.7- 000113 046 0.1- 0.1- 000424 360 0.4+ 0.3-
991116 704 0.5- 1.0- 000113 046 0.5- 0.5+ 000424 360 0.1+ 0.4-
991116 704 (0.2- 2.6-) 000113 046 1.3+ 1.2+ 000424 360 0.3- 1.2-
991207 704 0.2+ 0.3- 000113 046 0.3+ 0.6+ 000501 695 1.6+ 0.5+
991207 704 0.4- 0.1+ 000113 046 0.7- 0.8+ 000501 695 1.4+ 0.4+
991207 704 0.1- 0.5- 000113 046 0.2- 0.5+ 000501 695 0.4+ 0.8+
991207 704 0.2+ 0.2+ 000113 046 0.2- 0.1- 081031 G96 0.6- 1.5+
991207 704 0.1+ 0.5- 000113 046 0.1- 0.1+ 081031 G96 0.3+ 0.7+
991208 704 0.1- 0.4- 000113 046 0.2+ 0.5+ 081031 G96 0.1+ 0.7+
991208 704 0.3- 0.0 000113 046 0.2+ 0.2+ 081031 G96 0.5+ 0.8+
991208 704 0.0 0.2- 000203 402 (8.8+ 3.6+) 100201 C51 0.5- 0.6-
991208 704 0.1- 0.0 000203 402 (8.8+ 8.6+) 100201 C51 1.3- 0.8-
991208 704 0.1- 0.1+ 000226 413 0.0 0.2- 100201 C51 0.2- 1.5+
000105 704 0.1+ 0.0 000226 413 0.1- 0.0 100201 C51 0.4- 0.1+
000105 704 0.2- 0.2+ 000227 693 0.2- 0.2- 100201 C51 0.7+ 0.4-
000105 704 0.0 0.9- 000227 693 0.2- 0.2- 100202 C51 0.2+ 0.0
000105 704 0.4- 0.1- 000301 402 1.3+ 0.4+ 100202 C51 0.0 0.7+
000105 704 0.8- 0.6- 000301 402 0.2+ 0.1- 100202 C51 0.2- 1.6-
000106 704 0.2- 0.7+ 000301 402 0.2- 1.8- 100202 C51 0.3- 0.5-
Ephemeris:
P/1999 XB69 = 2010 C2 (LINEAR)
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2
2010 08 02 14 06.60 -17 55.7 3.594 3.669 86.2 16.0 22.0
2010 08 12 14 14.10 -18 08.8 3.799 3.729 78.4 15.4 22.1
2010 08 22 14 22.43 -18 27.7 3.999 3.788 70.7 14.6 22.2
2010 09 01 14 31.44 -18 51.0 4.193 3.846 63.3 13.6 22.3
2010 09 11 14 41.04 -19 17.5 4.379 3.904 55.9 12.3 22.4
2010 09 21 14 51.12 -19 46.2 4.554 3.961 48.5 11.0 22.5
2010 10 01 15 01.59 -20 16.0 4.716 4.018 41.3 9.5 22.5
2010 10 11 15 12.36 -20 46.1 4.864 4.074 34.0 7.9 22.5
Brian G. Marsden (C) Copyright 2010 MPC M.P.E.C. 2010-P21
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