MPEC 2008-R33 : 2002 JC9
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M.P.E.C. 2008-R33 Issued 2008 Sept. 8, 03:29 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
2002 JC9
Revision to MPEC 2002-J22
Additional Observations:
K02J09C C2008 09 06.49836 21 58 07.39 -64 36 27.8 18.6 V ER033E12
K02J09C C2008 09 06.50964 21 58 00.12 -64 37 16.3 18.1 V ER033E12
K02J09C C2008 09 06.52096 21 57 52.74 -64 38 06.2 17.8 V ER033E12
K02J09C C2008 09 06.53228 21 57 45.50 -64 38 55.1 18.3 V ER033E12
K02J09C C2008 09 06.54364 21 57 38.13 -64 39 45.1 18.4 R ER033E12
K02J09C C2008 09 06.59773 21 57 02.95 -64 43 38.5 18.3 R ER033E12
K02J09C C2008 09 06.68523 21 56 05.84 -64 49 51.3 18.3 R ER033E12
K02J09C C2008 09 07.06971 21 51 56.37 -65 17 37.9 18.0 R ER033I77
K02J09C C2008 09 07.07541 21 51 52.45 -65 18 02.4 18.0 R ER033I77
K02J09C C2008 09 07.07936 21 51 49.71 -65 18 19.4 17.8 R ER033I77
K02J09C C2008 09 08.05939 21 40 12.65 -66 27 25.9 18.0 R ER033I77
K02J09C C2008 09 08.06335 21 40 09.61 -66 27 42.7 17.6 R ER033I77
K02J09C C2008 09 08.06730 21 40 06.48 -66 27 58.7 17.9 R ER033I77
Observer details:
E12 Siding Spring Survey. Observer R. H. McNaught. Measurers E. C. Beshore,
A. Boattini, G. J. Garradd, A. R. Gibbs, A. D. Grauer, R. E. Hill,
R. A. Kowalski, S. M. Larson, R. H. McNaught. 0.5-m Uppsala Schmidt + CCD.
I77 CEAMIG-REA Observatory, Belo Horizonte. Observers C. Jacques, E. Pimentel.
Measurer C. Jacques. 0.30-m f/3.0 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
080906 E12 1.56+ 1.91- 080908 I77 1.33+ 2.20- MPO 32014 -1.5 day
Orbital elements:
2002 JC9 Earth MOID = 0.1745 AU
Epoch 2008 Nov. 30.0 TT = JDT 2454800.5 MPC
M 7.17197 (2000.0) P Q
n 0.29192592 Peri. 21.22221 -0.13991330 -0.96298571
a 2.2505445 Node 77.39887 +0.87107396 -0.23034423
e 0.8305855 Incl. 13.65551 +0.47080190 +0.14000018
P 3.38 H 18.6 G 0.15 U 3
Residuals in seconds of arc
020506 291 0.0 0.3+ 020509 291 0.2- 0.1- 020521 291 1.3+ 0.4+
020506 291 0.1+ 0.2+ 020510 246 1.3- 0.9+ 020521 291 0.4+ 0.1+
020506 291 0.3- 0.3+ 020510 246 0.1+ 0.4+ 020605 413 0.1+ 1.6-
020507 557 1.5+ 0.0 020510 246 0.4- 0.7+ 020605 413 0.5- 0.6-
020507 557 1.1+ 0.6- 020510 246 1.2- 0.4+ 020606 696 0.6- 0.5+
020507 557 0.4+ 0.9- 020510 649 0.4- 1.0- 020606 696 0.4- 0.0
020507 557 0.3+ 0.2+ 020510 649 0.3- 0.8- 080906 E12 0.1- 0.1+
020507 557 0.1- 0.3- 020510 649 0.2- 0.8- 080906 E12 0.0 0.8+
020507 557 1.1- 0.1- 020514 246 1.0+ 0.9+ 080906 E12 0.4- 0.2+
020507 291 0.5+ 0.8- 020514 246 0.2- 0.4+ 080906 E12 0.1+ 0.5+
020507 291 0.3+ 0.5+ 020514 246 0.0 0.1- 080906 E12 0.1+ 0.2-
020507 291 0.1- 0.2- 020514 246 0.3- 0.1- 080906 E12 0.1+ 0.3-
020507 658 1.9+ 0.6+ 020514 246 0.3+ 0.2+ 080906 E12 0.1- 0.0
020507 658 0.3- 0.1+ 020514 649 0.1- 1.2- 080907 I77 0.2- 0.0
020507 658 0.0 0.6+ 020514 649 0.2- 0.8- 080907 I77 0.0 0.0
020507 246 0.2+ 0.5+ 020514 291 0.4- 0.3+ 080907 I77 0.0 0.1-
020507 246 1.6- 0.6+ 020514 649 0.2+ 0.4- 080908 I77 0.1+ 0.3-
020509 291 0.3- 0.2- 020514 291 0.1- 0.1+ 080908 I77 0.3+ 0.6-
020509 291 0.4- 0.1- 020521 291 0.5- 0.2- 080908 I77 0.1- 0.2-
Ephemeris:
2002 JC9 a,e,i = 2.25, 0.83, 14 q = 0.3813
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2008 09 01 22 40.74 -57 53.0 0.433 1.331 130.4 35.3 18.9
2008 09 06 22 03.17 -64 00.0 0.394 1.260 121.5 43.0 18.7
2008 09 11 20 56.07 -69 36.1 0.364 1.187 110.9 52.4 18.7
2008 09 16 19 03.45 -72 38.7 0.343 1.111 98.9 63.3 18.8
2008 09 21 16 54.98 -70 37.5 0.330 1.034 85.8 75.6 18.9
2008 09 26 15 26.00 -64 09.4 0.326 0.954 72.1 89.0 19.2
2008 10 01 14 33.78 -55 32.5 0.331 0.872 58.0 103.2 19.7
Gareth V. Williams (C) Copyright 2008 MPC M.P.E.C. 2008-R33
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