MPEC 2005-R60 : 1994 CJ1
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M.P.E.C. 2005-R60 Issued 2005 Sept. 14, 16:05 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.
Supported in part by the Brinson Foundation
Prepared using the Tamkin Foundation Computer Network
MPC@CFA.HARVARD.EDU
URL http://cfa-www.harvard.edu/iau/mpc.html ISSN 1523-6714
1994 CJ1
Revision to MPEC 1994-D05
Additional Observations:
J94C01J C2005 09 13.32081 23 28 22.45 -03 14 09.3 21.1 V ER060691
J94C01J C2005 09 13.33873 23 28 20.61 -03 14 24.5 21.0 V ER060691
J94C01J C2005 09 13.35612 23 28 18.86 -03 14 39.2 21.1 V ER060691
J94C01J C2005 09 14.18286 23 27 01.47 -03 26 06.7 21.4 V ER060291
J94C01J C2005 09 14.18718 23 27 01.08 -03 26 10.6 21.6 V ER060291
J94C01J C2005 09 14.19102 23 27 00.70 -03 26 13.6 21.4 V ER060291
Observer details:
291 LPL/Spacewatch II. Observer T. Gehrels. 1.8-m f/2.7 reflector + CCD.
691 Steward Observatory, Kitt Peak. Observer M. T. Read. 0.9-m f/3 reflector
+ CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
050913 691 1.75- 0.67- 050914 291 1.74- 0.67- MPO 47691 +1.4 day
Orbital elements:
1994 CJ1 PHA 0.036
Epoch 2005 Aug. 18.0 TT = JDT 2453600.5 MPC
M 62.19840 (2000.0) P Q
n 0.54239027 Peri. 64.95045 -0.54126547 +0.84083438
a 1.4891146 Node 172.27301 -0.78523344 -0.50315313
e 0.3248902 Incl. 2.30469 -0.30073267 -0.19958575
P 1.82 H 21.4 G 0.15 U 4
Residuals in seconds of arc
940210 691 0.5- 0.1- 940212 691 0.9+ 0.8- 940219 691 0.1+ 0.9-
940210 691 0.2- 0.1+ 940212 691 0.2+ 0.2+ 940304 691 0.3+ 0.2-
940210 691 0.2- 0.2+ 940215 691 0.2- 0.3+ 940304 691 0.2- 0.4+
940211 691 0.1- 0.0 940215 691 0.4- 0.5+ 050913 691 0.1+ 0.1+
940211 691 0.2+ 0.1+ 940216 691 0.4+ 0.7- 050913 691 0.3- 0.0
940211 691 0.1- 0.1+ 940216 691 0.1- 0.1+ 050913 691 0.1- 0.2-
940211 691 0.1- 0.3- 940216 691 0.2- 0.2+ 050914 291 0.2- 0.2+
940211 691 0.6+ 0.1+ 940219 691 0.7+ 1.1- 050914 291 0.3+ 0.1-
940212 691 0.0 0.3+ 940219 691 1.0- 1.5+ 050914 291 0.2+ 0.1+
Ephemeris:
1994 CJ1 a,e,i = 1.49, 0.32, 2 q = 1.0053
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2005 09 07 23 38.84 -01 41.6 0.500 1.503 169.9 6.7 21.3
2005 09 12 23 30.50 -02 55.3 0.520 1.526 177.2 1.9 21.1
2005 09 17 23 22.72 -04 03.6 0.544 1.548 175.7 2.8 21.3
2005 09 22 23 15.79 -05 04.4 0.572 1.569 168.8 7.1 21.7
2005 09 27 23 09.91 -05 56.3 0.606 1.590 162.3 11.1 22.0
Kyle E. Smalley (C) Copyright 2005 MPC M.P.E.C. 2005-R60
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