MPEC 1999-U22: 1998 SO10
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M.P.E.C. 1999-U22 Issued 1999 Oct. 23, 19:41 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.
BMARSDEN@CFA.HARVARD.EDU or GWILLIAMS@CFA.HARVARD.EDU
URL http://cfa-www.harvard.edu/iau/mpc.html ISSN 1523-6714
1998 SO10
Revision to MPEC 1998-S23
Observations:
J98S10O 5 1976 11 24.61945 05 37 00.29 -31 19 35.1 413
J98S10O 5 1976 11 24.66806 05 36 56.25 -31 20 33.0 413
Observer details:
413 Siding Spring. Trail located and measured by DANEOPS (A. Doppler,
A. Gnadig and G. Hahn). 1.2-m Schmidt.
First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
761124 413 0.79- 0.42+ 761124 413 0.79- 0.42+ MPC 33354 +2.9 day
Orbital elements:
1998 SO10
Epoch 1999 Aug. 10.0 TT = JDT 2451400.5 Williams
M 135.11612 (2000.0) P Q
n 0.28197108 Peri. 22.03591 -0.77614323 +0.58806686
a 2.3032072 Node 199.93492 -0.63055648 -0.72410657
e 0.7745298 Incl. 41.86634 -0.00046061 +0.36034295
P 3.50 H 15.4 G 0.15 U 4
Residuals in seconds of arc
761124 413 0.6+ 0.4+ 980923 658 0.6- 0.1- 980924 046 0.5+ 0.1-
761124 413 0.6- 0.3- 980923 658 0.3- 0.4+ 980925 422 0.5+ 0.8+
980919 699 0.8+ 0.4+ 980923 658 0.8- 0.2- 980925 422 0.9+ 0.9+
980919 699 1.4+ 0.4+ 980923 118 0.3+ 0.2+ 981002 402 0.8+ 0.1-
980919 699 0.2- 0.1- 980923 118 0.0 0.4+ 981002 402 0.8+ 0.2-
980921 611 0.4+ 0.6- 980923 118 0.6+ 0.0 981002 402 0.4+ 0.1+
980921 611 0.7+ 0.8+ 980923 587 0.2- 0.0 981013 422 0.9+ 0.2-
980921 611 0.0 0.3+ 980923 587 0.6+ 0.0 981013 422 0.0 0.3-
980921 611 0.4- 0.8+ 980924 557 0.0 0.0 981013 557 0.1- 0.0
980921 557 0.4- 0.1+ 980924 557 0.3- 0.2- 981013 557 0.2- 0.9-
980921 557 1.1- 0.6+ 980924 557 0.2- 0.2- 981018 704 0.3+ 0.0
980921 954 0.7- 0.5- 980924 557 0.1+ 0.3+ 981018 704 0.9- 0.7-
980921 954 0.9- 0.7- 980924 725 0.0 0.0 981018 704 0.6+ 0.8+
980921 954 0.9- 0.7- 980924 725 0.3- 0.3- 981018 704 1.2+ 1.5+
980921 954 0.9- 0.8- 980924 725 0.6- 0.6- 981111 658 0.7- 0.4+
980921 954 0.5- 0.4- 980924 725 0.0 0.4- 981111 658 0.4- 0.1+
980922 557 0.1+ 0.0 980924 046 0.2+ 0.1+ 981111 658 0.9- 0.3-
980922 557 0.1- 0.2+ 980924 046 0.3+ 0.1+ 981111 658 0.5- 0.9-
980922 557 0.1- 0.0 980924 046 0.3+ 0.3-
Ephemeris:
1998 SO10 a,e,i = 2.30, 0.77, 42 q = 0.5193
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
1999 10 19 02 31.31 -00 41.8 3.073 4.033 162.2 4.3 21.3
1999 10 29 02 22.04 -02 03.4 3.078 4.044 164.5 3.8 21.2
1999 11 08 02 12.78 -03 15.1 3.118 4.055 158.3 5.2 21.3
1999 11 18 02 04.16 -04 13.2 3.189 4.064 148.3 7.3 21.5
1999 11 28 01 56.71 -04 55.8 3.289 4.071 137.5 9.4 21.7
1999 12 08 01 50.79 -05 22.6 3.412 4.077 126.6 11.2 21.8
1999 12 18 01 46.61 -05 34.4 3.554 4.082 116.0 12.5 22.0
Gareth V. Williams (C) Copyright 1999 MPC M.P.E.C. 1999-U22
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