MPEC 2007-O22 : COMET C/2007 JA21 (LINEAR)
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M.P.E.C. 2007-O22 Issued 2007 July 19, 15:19 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 C/2007 JA21 (LINEAR)
Observations:
CK07J21A C2007 07 13.87163 16 23 02.50 +45 47 53.4 19.1 N EO022A77
CK07J21A C2007 07 13.87354 16 23 02.44 +45 47 54.1 18.9 N EO022A77
CK07J21A C2007 07 13.87546 16 23 02.40 +45 47 53.1 18.9 N EO022A77
CK07J21A C2007 07 13.88500 16 23 01.89 +45 47 44.7 19.1 N EO022A77
CK07J21A C2007 07 13.88693 16 23 01.89 +45 47 43.6 19.1 N EO022A77
CK07J21A C2007 07 17.26690 16 20 28.99 +45 03 40.4 19.0 T EO022673
CK07J21A C2007 07 17.27384 16 20 28.64 +45 03 34.8 EO022673
CK07J21A C2007 07 17.28183 16 20 28.21 +45 03 28.2 EO022673
CK07J21A C2007 07 17.29097 16 20 27.87 +45 03 21.0 EO022673
Observer details:
673 Table Mountain Observatory, Wrightwood. Observer J. Young. 0.61-m f/16
Cassegrain + CCD.
A77 Observatoire Chante-Perdrix, Dauban. Observers C. Rinner, F. Kugel.
Measurer C. Rinner. 0.5-m f/3 reflector + CCD.
Orbital elements:
C/2007 JA21 (LINEAR)
Epoch 2006 Nov. 1.0 TT = JDT 2454040.5
T 2006 Nov. 14.66428 TT MPC
q 5.3687340 (2000.0) P Q
z -0.0003909 Peri. 93.73250 -0.02951803 -0.41325656
+/-0.0000332 Node 65.52466 -0.45022739 -0.80744044
e 1.0020986 Incl. 89.83928 +0.89242590 -0.42102131
Residuals in seconds of arc
070511 704 0.1- 0.3+ 070516 213 0.1- 0.6- 070611 361 1.3+ 0.7-
070511 704 0.8+ 0.0 070518 703 0.9- 0.1- 070611 349 0.6+ 0.6+
070511 704 0.1- 1.5- 070518 703 0.5- 1.7+ 070611 349 0.6+ 0.2+
070512 704 0.1+ 0.0 070518 703 0.1+ 0.6+ 070613 850 0.1- 0.4-
070512 704 0.3+ 0.7+ 070518 703 1.1- 0.6+ 070613 673 0.3+ 0.1-
070512 704 0.6+ 0.4- 070518 213 0.3- 0.5- 070613 673 0.2- 0.1+
070512 704 0.1+ 0.8- 070518 213 0.2- 0.5- 070613 673 0.1- 0.2-
070512 704 0.1- 0.3+ 070518 213 0.1- 0.5- 070613 673 0.2+ 0.3-
070512 D35 0.4+ 0.3+ 070519 A03 1.4- 0.3+ 070613 850 0.9+ 0.6+
070512 D35 0.1- 1.0- 070519 A03 0.3- 0.0 070615 703 0.6+ 0.2-
070512 D35 0.7+ 0.3- 070519 A03 0.1+ 0.0 070615 703 1.0+ 0.6-
070512 B03 0.0 1.0+ 070519 157 0.4+ 0.6- 070615 703 1.1+ 0.4-
070512 B03 0.0 0.4+ 070519 215 0.5+ 0.1- 070615 703 0.8- 0.0
070512 A74 0.0 0.5- 070519 215 0.4+ 0.1- 070616 213 0.3+ 0.2-
070512 B03 0.6- 0.3+ 070519 215 0.4+ 0.2- 070616 213 0.2+ 0.2-
070512 B03 0.5- 0.4- 070521 118 0.1+ 0.2+ 070616 213 0.2+ 0.2-
070512 A74 0.1- 0.2- 070521 118 1.8- 0.4+ 070619 A03 0.7- 0.8+
070512 B03 0.5- 0.6+ 070523 213 0.4- 0.1+ 070619 A03 0.6- 0.4+
070512 A74 0.2+ 0.4+ 070523 213 0.4- 0.2+ 070619 A03 0.4- 0.5-
070513 704 1.1- 1.0- 070523 213 0.4- 0.2+ 070619 A03 0.1- 0.4+
070513 704 0.8+ 0.1- 070525 118 0.0 0.5- 070619 A03 0.1- 0.5-
070513 704 0.3+ 0.3+ 070525 118 0.4- 0.1+ 070625 118 0.7- 0.5-
070513 704 1.0+ 0.4+ 070525 361 0.4+ 1.8- 070625 118 0.5- 0.2-
070513 711 0.2- 0.2- 070530 J95 0.2+ 0.7+ 070707 561 0.1- 0.3-
070513 711 1.5+ 0.4+ 070530 J95 0.1- 0.7+ 070707 561 0.1- 0.0
070513 711 0.0 0.2- 070530 J95 0.6- 0.2+ 070707 561 0.1+ 0.5-
070513 473 0.3+ 0.2+ 070606 850 0.4+ 0.1- 070712 213 0.1+ 0.4+
070513 473 0.1- 0.2+ 070606 850 1.4- 0.7+ 070712 213 0.2+ 0.1+
070513 473 0.1+ 0.5+ 070607 850 0.5+ 0.4+ 070712 213 0.2+ 0.0
070514 673 0.1+ 0.4+ 070607 850 0.6- 0.7- 070713 A77 0.6- 1.3-
070514 673 0.1+ 0.4+ 070607 850 0.4- 0.9- 070713 A77 0.2- 0.9+
070514 673 0.1+ 0.2+ 070608 673 0.0 0.1- 070713 A77 0.3+ 1.4+
070514 673 0.2+ 0.0 070608 673 0.2- 1.0- 070713 A77 0.3- 0.3+
070514 673 0.2+ 0.3- 070608 673 0.2+ 0.6- 070713 A77 0.7+ 0.7+
070514 561 0.5+ 0.3- 070608 673 0.4+ 0.1- 070717 673 0.5+ 0.1-
070514 561 0.5- 1.7- 070610 213 0.6+ 0.1+ 070717 673 0.0 0.2-
070514 561 0.1- 0.0 070610 213 0.6+ 0.0 070717 673 0.8- 0.5-
070516 213 0.2+ 0.2- 070610 213 0.7+ 0.6- 070717 673 0.2- 0.4-
070516 213 0.1+ 0.5- 070611 349 0.5+ 0.5+
The "original" and "future" barycentric values of 1/a are +0.000104
and +0.000030 (+/- 0.000033) AU^-1, respectively.
Brian G. Marsden (C) Copyright 2007 MPC M.P.E.C. 2007-O22
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