MPEC 2002-W02 : 2001 SQ73
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M.P.E.C. 2002-W02 Issued 2002 Nov. 16, 21:26 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://cfa-www.harvard.edu/iau/mpc.html ISSN 1523-6714
2001 SQ73
Revision to MPEC 2001-S25
Additional Observations:
K01S73Q C2002 09 11.42472 01 34 22.74 +12 39 48.3 20.8 R 662
K01S73Q C2002 09 11.47951 01 34 22.24 +12 39 47.4 662
K01S73Q C2002 10 11.19985 01 29 04.06 +12 21 13.2 290
K01S73Q C2002 10 11.24265 01 29 03.54 +12 21 11.3 290
Observer details:
290 Mt. Graham. Observers W. Romanishin, S. Tegler. Measurer W. Romanishin.
1.8-m reflector.
662 Lick Observatory. Observers E. Chiang, A. B. Jordan, M. W. Buie.
Measurers M. W. Buie, E. Chaing, A. B. Jordan. 3-m telescope + CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc, reference and Delta-T
020911 662 3.0+ 1.2- 021011 290 2.2+ 1.4- MPO 20999 +4.7 day
Orbital elements:
2001 SQ73
Epoch 2002 Nov. 22.0 TT = JDT 2452600.5 MPC
M 47.85378 (2000.0) P Q
n 0.01348997 Peri. 304.38628 +0.76269645 +0.64128370
a 17.4768018 Node 16.26712 -0.44988228 +0.61930544
e 0.1761305 Incl. 17.44166 -0.46465048 +0.45300771
P 73.06 H 9.6 G 0.15 U 4
Residuals in seconds of arc
010912 695 0.0 0.2+ 010922 691 0.2+ 0.1- 011025 291 0.0 0.3-
010912 695 0.0 0.0 010922 691 0.5+ 0.2- 011025 291 0.1+ 0.2-
010919 691 0.2- 0.2- 010923 290 0.1- 0.2+ 011114 691 0.1+ 0.9+
010919 691 0.2- 0.3- 010923 290 0.1+ 0.3+ 011114 691 0.3- 1.1+
010919 691 0.0 0.1- 010924 691 0.3- 0.9+ 011114 691 0.1- 0.0
010920 691 0.0 0.6- 011012 691 0.2+ 0.2- 020911 662 0.3+ 0.1-
010920 691 0.2+ 0.3- 011012 691 0.5- 0.2+ 020911 662 0.2+ 0.3+
010920 691 0.1+ 0.1- 011018 688 0.3+ 0.3- 021011 290 0.2- 0.2-
010922 691 0.0 0.2- 011018 688 0.0 0.4- 021011 290 0.2- 0.1-
Ephemeris:
2001 SQ73 a,e,i = 17.48, 0.18, 17 q = 14.399
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2002 11 12 01 22.99 +11 55.1 14.863 15.760 154.1 1.6 21.7
2002 11 22 01 21.41 +11 47.9 14.960 15.766 143.6 2.1 21.7
2002 12 02 01 20.12 +11 42.1 15.081 15.773 133.2 2.6 21.8
2002 12 12 01 19.18 +11 38.0 15.224 15.780 122.9 3.0 21.8
2002 12 22 01 18.62 +11 35.9 15.383 15.786 112.6 3.3 21.9
2003 01 01 01 18.47 +11 36.0 15.553 15.793 102.4 3.5 21.9
2003 01 11 01 18.74 +11 38.6 15.731 15.800 92.2 3.6 21.9
2003 01 21 01 19.41 +11 43.5 15.909 15.807 82.3 3.5 21.9
2003 01 31 01 20.48 +11 50.8 16.083 15.813 72.4 3.4 22.0
2003 02 10 01 21.91 +12 00.3 16.249 15.820 62.7 3.2 22.0
2003 02 20 01 23.67 +12 11.8 16.401 15.827 53.1 2.9 22.0
2003 03 02 01 25.71 +12 25.2 16.537 15.834 43.6 2.5 22.0
2003 03 12 01 27.99 +12 40.0 16.652 15.840 34.2 2.0 21.9
Brian G. Marsden (C) Copyright 2002 MPC M.P.E.C. 2002-W02
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