MPEC 2004-H28 : 2002 JX8
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M.P.E.C. 2004-H28 Issued 2004 Apr. 19, 15:05 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 Steven and Michele Kirsch Foundation
Prepared using the Tamkin Foundation Computer Network
MPC@CFA.HARVARD.EDU
URL http://cfa-www.harvard.edu/iau/mpc.html ISSN 1523-6714
2002 JX8
Revision to MPEC 2002-J18
Additional Observations:
K02J08X tC2004 04 16.13947 06 12 25.38 +36 54 29.3 21.3 V EH028291
K02J08X tC2004 04 16.14741 06 12 29.46 +36 54 24.6 21.2 V EH028291
K02J08X tC2004 04 16.15217 06 12 31.82 +36 54 21.5 20.7 V EH028291
K02J08X tC2004 04 19.13332 06 37 39.73 +36 20 26.8 EH028291
K02J08X tC2004 04 19.13791 06 37 41.99 +36 20 22.6 20.8 V EH028291
K02J08X tC2004 04 19.14247 06 37 44.23 +36 20 17.4 21.4 V EH028291
Observer details:
291 LPL/Spacewatch II. Observer M. Block. 1.8-m f/2.7 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
040416 291 0.02- 0.09- 040419 291 0.03- 0.08- MPO 32014 +0.13 day
Orbital elements:
2002 JX8 PHA 0.025D
Epoch 2004 July 14.0 TT = JDT 2453200.5 MPC
M 250.76532 (2000.0) P Q
n 1.45682699 Peri. 338.08248 +0.68142493 -0.72850550
a 0.7706622 Node 68.88490 +0.68218494 +0.59742835
e 0.3054183 Incl. 4.32089 +0.26511086 +0.33520010
P 0.68 H 20.5 G 0.15 U 3
Residuals in seconds of arc
020504 704 1.1+ 0.9+ 020506 118 0.5+ 0.1+ 020513 540 0.0 0.0
020504 704 1.0+ 1.6- 020507 858 0.6- 0.9+ 020513 540 0.4+ 0.2-
020504 704 0.4+ 0.5+ 020507 858 1.1- 0.4- 020514 649 1.2- 0.2-
020504 704 0.4+ 0.2- 020507 658 0.3- 0.1- 020514 649 0.5- 0.2+
020504 704 0.5- 0.0 020507 658 0.1- 0.4- 020514 649 0.7- 0.1-
020506 704 0.5+ 0.2+ 020507 658 0.1- 0.1- 020514 587 0.8- 0.4-
020506 704 0.8- 0.1+ 020508 704 0.6+ 0.4+ 020514 587 0.2- 0.2-
020506 704 0.5- 0.4- 020508 704 0.0 0.2+ 020514 587 0.4- 0.1+
020506 704 0.0 0.1+ 020508 858 0.0 0.2+ 020520 291 0.2+ 1.1-
020506 704 0.6+ 0.4+ 020508 858 0.3- 0.6- 020520 291 0.5- 0.2-
020506 704 (1.9+ 5.5+) 020508 704 1.3+ 0.9+ 020520 291 0.5+ 0.7-
020506 704 0.0 0.3- 020508 704 0.8+ 0.2- 020530 715 0.5- 0.4-
020506 704 0.5- 0.0 020508 704 1.2+ 0.1- 020530 715 1.4- 0.1+
020506 651 0.1- 0.2+ 020508 704 0.2+ 0.1- 020530 715 1.9- 0.0
020506 651 0.1+ 0.9- 020508 704 0.6+ 0.0 020608 696 0.0 0.2-
020506 651 0.2+ 0.2+ 020508 704 0.9+ 0.2+ 020608 696 0.3- 0.2+
020506 246 1.4- 0.4+ 020508 704 0.6+ 0.2- 020614 291 1.5+ 0.4+
020506 246 0.7- 0.4+ 020513 704 1.1+ 0.3- 020614 291 0.8+ 0.4+
020506 246 1.1- 1.0+ 020513 704 1.0+ 0.4- 020614 291 1.2+ 0.3+
020506 246 0.2+ 0.5+ 020513 704 1.0+ 0.4- 040416 291 0.6- 0.2+
020506 246 0.0 0.1+ 020513 246 0.5- 0.3+ 040416 291 0.2+ 0.0
020506 246 0.5- 0.2+ 020513 246 0.2- 0.3+ 040416 291 0.4- 0.4-
020506 246 0.0 0.8+ 020513 246 0.2+ 0.2- 040419 291 0.2+ 0.0
020506 118 1.1- 0.3- 020513 246 0.2- 0.1+ 040419 291 0.7+ 0.2+
020506 118 0.4- 0.3- 020513 540 0.0 0.4- 040419 291 1.1+ 0.6-
020506 118 0.8- 0.4+ 020513 540 0.6+ 0.2+
Ephemeris:
2002 JX8 a,e,i = 0.77, 0.31, 4 q = 0.5353
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2004 04 15 06 02.60 +37 02.0 0.251 0.930 66.0 99.8 21.0
2004 04 25 07 23.32 +34 22.6 0.256 0.962 72.8 92.5 20.7
2004 05 05 08 27.04 +29 27.0 0.273 0.986 77.4 87.0 20.7
2004 05 15 09 14.78 +23 56.1 0.296 1.000 79.5 83.6 20.8
2004 05 25 09 51.29 +18 38.6 0.321 1.006 79.6 82.1 20.9
2004 06 04 10 20.26 +13 49.3 0.345 1.003 78.2 82.1 21.1
2004 06 14 10 43.95 +09 29.8 0.366 0.991 75.6 83.4 21.2
2004 06 24 11 03.67 +05 37.3 0.381 0.970 72.1 85.9 21.4
2004 07 04 11 19.67 +02 11.2 0.389 0.940 67.6 89.9 21.5
2004 07 14 11 31.40 -00 45.3 0.389 0.902 62.0 95.6 21.6
Kyle E. Smalley (C) Copyright 2004 MPC M.P.E.C. 2004-H28
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