MPEC 1994-S06: 1993 SB
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M.P.E.C. 1994-S06 Issued 1994 Sept. 30, 16:01 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
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MARSDEN@CFA or WILLIAMS@CFA (.HARVARD.EDU, .SPAN or .BITNET)
1993 SB
Recovered by D. Jewitt and J. Luu at Mauna Kea on Sept. 10. The compromise
orbital elements below keep 1993 SB at least 21 AU from Neptune over the time
period 5000 BC-AD 12000.
Additional observations:
J93S00B C1994 08 15.21803 00 04 29.62 +00 41 20.7 950
J93S00B IC1994 08 16.20557 00 04 25.52 +00 40 55.1 950
J93S00B A1994 09 10.3866 00 02 22.47 +00 27 55.7 22 R 568
J93S00B A1994 09 10.4648 00 02 22.02 +00 27 52.4 568
J93S00B A1994 09 10.5128 00 02 21.76 +00 27 51.1 568
J93S00B A1994 09 10.5601 00 02 21.49 +00 27 49.4 568
J93S00B A1994 09 29.4085 00 00 35.99 +00 16 38.4 568
J93S00B A1994 09 29.4445 00 00 35.79 +00 16 37.2 568
Observer details:
568 Mauna Kea. Observers D. Jewitt, J. Luu and J. Chen. 2.2-m reflector + CCD.
950 La Palma. Observer M. R. Kidger. Measurer G. V. Williams. 2.5-m Isaac
Newton telescope + CCD.
Orbital elements:
1993 SB
Epoch 1994 Sept. 5.0 TT = JDT 2449600.5 Marsden
M 318.99486 (2000.0) P Q
n 0.00398204 Peri. 79.01471 +0.27852284 -0.96042478
a 39.4213949 Node 354.81023 +0.86751467 +0.25293642
e 0.3213859 Incl. 1.92850 +0.41212051 +0.11665079
P 247.51 H 8.0 G 0.15
Residuals in seconds of arc
930916 950 0.2+ 0.9- 930920 950 0.5+ 0.1+ 940910 568 0.7+ 0.4-
930917 950 1.3- 0.7- 930922 950 0.2+ 0.0 940910 568 0.6+ 0.5-
930918 950 0.6- 0.3+ 940815 950 0.6- 1.5+ 940929 568 0.4- 0.4-
930918 950 0.6+ 0.4- 940816 950 1.3- 1.3+ 940929 568 0.4- 0.3-
930918 950 0.2- 1.9+ 940910 568 0.8+ 0.2-
930919 950 0.7+ 0.5- 940910 568 0.6+ 0.8-
Ephemeris:
1993 SB a,e,i = 39.42, 0.32, 2 q = 26.752
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
1994 09 25 00 01.01 +00 19.3 31.377 32.380 178.6 0.0 23.1
1994 10 05 00 00.08 +00 13.3 31.390 32.371 168.5 0.4 23.1
1994 10 15 23 59.19 +00 07.7 31.433 32.362 158.4 0.7 23.2
1994 10 25 23 58.38 +00 02.5 31.503 32.353 148.2 0.9 23.2
1994 11 04 23 57.67 -00 02.0 31.600 32.344 138.0 1.2 23.2
1994 11 14 23 57.11 -00 05.6 31.719 32.335 127.8 1.4 23.2
1994 11 24 23 56.70 -00 08.2 31.856 32.326 117.6 1.6 23.3
1994 12 04 23 56.48 -00 09.6 32.008 32.317 107.5 1.7 23.3
1994 12 14 23 56.45 -00 09.8 32.169 32.308 97.3 1.7 23.3
1994 12 24 23 56.61 -00 08.7 32.333 32.300 87.2 1.7 23.3
1995 01 03 23 56.97 -00 06.3 32.497 32.291 77.1 1.7 23.3
1995 01 13 23 57.52 -00 02.6 32.653 32.282 67.0 1.6 23.3
Brian G. Marsden M.P.E.C. 1994-S06
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