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M.P.E.C. 2008-J08 Issued 2008 May 2, 13:20 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
2004 RA11
Revision to MPEC 2004-R44
Additional Observations:
K04R11A 2C2008 04 22.48599 16 59 51.610+31 27 04.41 22.6 R EJ008568
K04R11A 2C2008 04 22.48948016 59 51.461+31 27 08.22 22.6 R EJ008568
K04R11A 2C2008 04 27.55769216 55 57.940+32 53 50.27 22.7 R EJ008568
K04R11A 2C2008 04 27.56137416 55 57.743+32 53 53.73 22.8 R EJ008568
K04R11A 2C2008 04 27.56504916 55 57.550+32 53 57.37 22.8 R EJ008568
Observer details:
568 Mauna Kea. Observers M. Micheli, F. Bernardi. Measurers F. Bernardi,
D. J. Tholen. 2.24-m University of Hawaii reflector.
First and last observations above in comparison with prediction:
Residuals in seconds of arc, reference and Delta-T
080422 568 2.0- 0.6+ 080427 568 2.0- 0.6+ MPO 77785 +0.0013 day
Orbital elements:
2004 RA11 Earth MOID = 0.3950 AU
Epoch 2008 May 14.0 TT = JDT 2454600.5 MPC
M 127.86043 (2000.0) P Q
n 0.40004393 Peri. 276.39664 +0.02602476 -0.99337418
a 1.8241656 Node 169.83073 +0.96268833 +0.05507686
e 0.3997007 Incl. 39.34689 -0.26935828 +0.10086761
P 2.46 H 18.9 G 0.15 U 2
Residuals in seconds of arc
040908 704 0.4+ 0.6+ 040909 734 1.3+ 0.4+ 040921 704 0.5+ 0.8+
040908 704 0.4+ 0.3+ 040909 734 0.2+ 0.6- 040921 704 0.4- 0.8-
040908 704 0.7+ 0.3- 040909 734 0.1- 1.5- 040921 704 0.1- 0.0
040908 704 0.2+ 0.5- 040909 734 0.1+ 0.7- 040921 704 0.3+ 0.5+
040908 246 0.5- 0.1+ 040909 854 2.4- 0.9+ 040921 704 0.3+ 0.3+
040908 246 0.4- 0.7- 040909 854 0.5+ 0.5- 040921 704 0.3+ 0.2+
040908 246 0.4- 0.1- 040909 854 0.4- 0.3+ 041002 474 0.2+ 0.6-
040908 246 1.0- 0.8+ 040912 448 0.7+ 0.4- 041002 474 0.1+ 0.7-
040908 246 0.3- 0.0 040912 448 0.0 0.1- 041002 474 0.1+ 0.6-
040908 151 0.1+ 1.0- 040912 448 0.0 0.2- 041003 428 0.4- 1.1+
040908 151 0.1+ 0.0 040914 246 0.2- 0.0 041003 428 0.8+ 0.6+
040908 151 0.4+ 0.1- 040914 246 0.2- 0.1+ 041031 474 0.1- 0.1-
040908 151 0.2+ 0.4+ 040914 246 0.1+ 0.5+ 041031 474 0.1- 0.0
040909 704 0.6- 0.8- 040914 246 0.4+ 0.0 041124 413 0.1- 0.0
040909 704 2.3+ 0.2- 040914 246 0.3+ 0.6- 041124 413 0.1+ 0.4-
040909 704 0.2- 0.2+ 040914 246 0.3- 0.2+ 050221 474 0.5+ 0.2+
040909 704 0.8+ 0.1- 040914 699 0.6+ 0.6+ 050221 474 0.0 0.2+
040909 704 0.0 0.4+ 040914 699 0.1+ 0.7- 050221 474 0.5- 0.1+
040909 704 0.3+ 0.6+ 040914 699 0.5- 0.2- 050323 448 0.1- 0.4+
040909 704 0.2+ 0.5+ 040914 699 0.2- 0.2- 050323 448 1.0- 0.6+
040909 704 1.2- 0.1+ 040918 246 0.4- 0.1+ 050323 448 0.8+ 0.3+
040909 704 0.2+ 0.2- 040918 246 0.1- 0.2- 080422 568 0.0 0.0
040909 704 0.5- 0.8+ 040918 246 0.5- 0.4- 080422 568 0.0 0.0
040909 704 0.9- 0.5+ 040921 704 0.3+ 0.2+ 080427 568 0.0 0.1+
040909 704 0.6+ 1.1+ 040921 704 0.5- 0.2- 080427 568 0.0 0.1-
040909 704 0.5- 0.5+ 040921 704 0.0 0.5+ 080427 568 0.0 0.0
040909 704 0.8- 0.1- 040921 704 0.1+ 0.3+
Ephemeris:
2004 RA11 a,e,i = 1.82, 0.40, 39 q = 1.0950
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2008 04 24 16 58.79 +31 53.8 1.685 2.347 119.3 22.0 22.9
2008 05 04 16 49.85 +34 30.7 1.686 2.374 121.5 21.2 22.9
2008 05 14 16 38.27 +36 25.1 1.702 2.398 122.2 20.9 23.0
2008 05 24 16 25.24 +37 29.8 1.733 2.421 121.5 20.9 23.0
2008 06 03 16 12.18 +37 42.8 1.778 2.442 119.5 21.2 23.1
2008 06 13 16 00.46 +37 07.2 1.836 2.462 116.4 21.7 23.2
2008 06 23 15 51.12 +35 50.9 1.906 2.479 112.5 22.3 23.3
2008 07 03 15 44.71 +34 03.0 1.984 2.495 108.1 22.8 23.5
Timothy B. Spahr (C) Copyright 2008 MPC M.P.E.C. 2008-J08
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