MPEC 2008-R28 : 2008 RJ1
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M.P.E.C. 2008-R28 Issued 2008 Sept. 5, 16:37 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
2008 RJ1
Observations:
K08R01J* C2008 09 04.40474 00 59 38.15 +11 54 27.4 20.6 V ER028691
K08R01J C2008 09 04.42234 00 59 37.22 +11 54 13.9 20.8 V ER028691
K08R01J C2008 09 04.43996 00 59 36.28 +11 54 00.5 20.4 V ER028691
K08R01J C2008 09 04.48127 00 59 34.07 +11 53 28.3 20.6 V ER028291
K08R01J C2008 09 04.48617 00 59 33.82 +11 53 24.4 20.7 V ER028291
K08R01J C2008 09 04.49049 00 59 33.60 +11 53 21.2 20.6 V ER028291
K08R01J C2008 09 05.26563 00 58 54.13 +11 43 17.1 20.9 V ER028291
K08R01J C2008 09 05.27006 00 58 53.87 +11 43 14.1 20.5 V ER028291
K08R01J C2008 09 05.27492 00 58 53.64 +11 43 09.7 21.0 V ER028291
K08R01J C2008 09 05.42421 00 58 45.38 +11 41 11.4 20.2 R ER028H36
K08R01J C2008 09 05.43175 00 58 45.00 +11 41 06.4 20.1 R ER028H36
K08R01J C2008 09 05.43929 00 58 44.61 +11 40 59.3 19.9 R ER028H36
Observer details:
291 LPL/Spacewatch II. Observers T. H. Bressi, J. V. Scotti. 1.8-m f/2.7
reflector + CCD.
691 Steward Observatory, Kitt Peak. Observer T. H. Bressi. 0.9-m f/3
reflector + CCD.
H36 Sandlot Observatory, Scranton. Observer G. Hug. 0.56-m reflector + CCD.
Orbital elements:
2008 RJ1 PHA, Earth MOID = 0.0085 AU
Epoch 2008 Aug. 22.0 TT = JDT 2454700.5 MPC
M 124.85212 (2000.0) P Q
n 0.44745534 Peri. 15.21903 -0.90435135 +0.42103739
a 1.6929193 Node 190.52931 -0.42050339 -0.90700198
e 0.4113496 Incl. 22.46555 -0.07297624 +0.00865595
P 2.20 H 17.3 G 0.15
From 12 observations 2008 Sept. 4-5.
Ephemeris:
2008 RJ1 a,e,i = 1.69, 0.41, 22 q = 0.9965
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2008 09 01 01 02.34 +12 36.4 1.388 2.252 139.3 17.0 20.7
2008 09 11 00 53.47 +10 23.4 1.337 2.275 151.9 12.0 20.4
2008 09 21 00 42.34 +07 44.6 1.311 2.296 165.2 6.4 20.2
2008 10 01 00 30.15 +04 51.6 1.314 2.315 178.3 0.7 19.8
2008 10 11 00 18.40 +02 00.6 1.348 2.332 167.1 5.5 20.2
2008 10 21 00 08.41 -00 32.9 1.412 2.347 153.8 10.8 20.6
2008 10 31 00 01.09 -02 38.6 1.501 2.359 141.3 15.3 20.9
2008 11 10 23 56.88 -04 12.0 1.611 2.369 129.7 18.8 21.2
2008 11 20 23 55.77 -05 13.7 1.737 2.378 118.9 21.3 21.4
2008 11 30 23 57.53 -05 47.2 1.872 2.384 109.0 23.0 21.6
2008 12 10 00 01.81 -05 56.4 2.013 2.387 99.8 24.0 21.8
2008 12 20 00 08.24 -05 45.9 2.156 2.389 91.2 24.3 22.0
Sonia Keys (C) Copyright 2008 MPC M.P.E.C. 2008-R28
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