MPEC 1994-R06 : 1993 RO
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M.P.E.C. 1994-R06 Issued 1994 Sept. 10, 14:35 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,
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MARSDEN@CFA or WILLIAMS@CFA (.HARVARD.EDU, .SPAN or .BITNET)
1993 RO
Recovered by D. Jewitt and J. Luu at Mauna Kea. The compromise orbital
elements below keep 1993 RO at least 10.5 AU from Neptune over the time
period 5000 BC-AD 12000.
Additional observations:
J93R00O A1994 09 05.5318 23 31 57.44 -03 09 15.6 23 R 568
J93R00O A1994 09 05.5409 23 31 57.40 -03 09 16.0 568
J93R00O A1994 09 05.5503 23 31 57.35 -03 09 16.5 568
J93R00O A1994 09 05.5583 23 31 57.29 -03 09 16.7 568
J93R00O A1994 09 07.4460 23 31 46.73 -03 10 26.8 568
J93R00O A1994 09 07.4581 23 31 46.69 -03 10 27.0 568
J93R00O A1994 09 07.4763 23 31 46.54 -03 10 27.9 568
J93R00O A1994 09 07.4879 23 31 46.51 -03 10 28.3 568
Observer details:
568 Mauna Kea. Observers D. Jewitt and J. Luu. Keck 10-m reflector
(Sept. 5) and University of Hawaii 2-m reflector (Sept. 7).
Orbital elements:
1993 RO
Epoch 1994 Sept. 5.0 TT = JDT 2449600.5 Marsden
M 358.17942 (2000.0) P Q
n 0.00394085 Peri. 184.52897 +0.99590718 +0.08971762
a 39.6956195 Node 170.30328 -0.08075047 +0.93760069
e 0.2046118 Incl. 3.72341 -0.04059868 +0.33594002
P 250.10
Residuals in seconds of arc
930914 568 0.4- 0.9- 930917 568 0.7- 0.8+ 940905 568 0.1- 0.5-
930914 568 0.3- 0.8- 930917 568 1.3- 0.7+ 940907 568 0.8- 0.2+
930915 568 0.3- 0.5- 930920 950 0.6+ 0.9- Y 940907 568 0.4- 0.4+
930915 568 0.2- 0.3- 940905 568 0.1- 0.4- 940907 568 1.1- 0.2+
930916 568 0.3- 0.1+ 940905 568 0.1+ 0.5- 940907 568 0.5- 0.3+
930916 568 0.6- 0.5+ 940905 568 0.2+ 0.6-
Ephemeris:
1993 RO a,e,i = 39.70, 0.20, 4 q = 31.573
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
1994 09 05 23 32.01 -03 08.9 30.587 31.580 170.0 0.3 23.0
1994 09 15 23 31.07 -03 15.2 30.574 31.580 179.9 0.0 22.9
1994 09 25 23 30.13 -03 21.5 30.591 31.579 170.0 0.3 23.0
1994 10 05 23 29.24 -03 27.5 30.638 31.579 160.0 0.6 23.0
1994 10 15 23 28.41 -03 33.1 30.712 31.579 149.9 0.9 23.1
1994 10 25 23 27.69 -03 37.9 30.813 31.579 139.7 1.2 23.1
1994 11 04 23 27.10 -03 41.9 30.937 31.578 129.6 1.4 23.1
1994 11 14 23 26.68 -03 44.8 31.080 31.578 119.4 1.6 23.2
1994 11 24 23 26.44 -03 46.6 31.238 31.578 109.3 1.7 23.2
1994 12 04 23 26.40 -03 47.1 31.406 31.578 99.1 1.8 23.2
1994 12 14 23 26.55 -03 46.3 31.579 31.577 89.0 1.8 23.2
1994 12 24 23 26.91 -03 44.2 31.751 31.577 78.9 1.8 23.2
Brian G. Marsden M.P.E.C. 1994-R06
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