MPEC 2003-C26 : 1998 ST49
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M.P.E.C. 2003-C26 Issued 2003 Feb. 5, 18:32 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
1998 ST49
Revision to MPEC 1998-T05
Additional Observations:
J98S49T 9C2003 01 29.35422 14 49 18.20 -18 59 31.9 22.6 R 809
J98S49T 9C2003 01 29.35665 14 49 18.26 -18 59 33.0 22.6 R 809
J98S49T 9C2003 01 29.35910 14 49 18.33 -18 59 34.0 21.8 R 809
J98S49T 9C2003 01 30.35286 14 49 47.14 -19 07 01.5 21.8 R 809
J98S49T 9C2003 01 30.35529 14 49 47.18 -19 07 02.3 22.3 R 809
J98S49T 9C2003 01 30.35771 14 49 47.26 -19 07 03.6 22.2 R 809
Observer details:
809 European Southern Observatory, La Silla. Observers A. Boattini,
O. Hainaut. Measurers A. Boattini, H. Scholl, G. Hahn, M. Carpino.
3.58-m New Technology Telescope + CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc, reference and Delta-T
030129 809 8.1+ 9.5- 030130 809 8.1+ 9.7- MPC 34303 -0.025 day
Orbital elements:
1998 ST49
Epoch 2002 Nov. 22.0 TT = JDT 2452600.5 MPC
M 54.45854 (2000.0) P Q
n 0.28104448 Peri. 47.46714 +0.42489865 -0.89526616
a 2.3082668 Node 18.74656 +0.65900321 +0.20441585
e 0.5943139 Incl. 24.64475 +0.62062542 +0.39586951
P 3.51 H 17.3 G 0.15 U 1
Residuals in seconds of arc
980929 704 0.9- 1.2- 981002 704 0.2- 0.5- 981020 557 0.1+ 0.9-
980929 704 0.9- 0.0 981002 704 0.8- 0.8- 990122 561 0.6+ 0.0
980929 704 1.7- 0.7- 981002 704 0.4- 0.3+ 990122 561 0.6+ 0.0
980929 704 0.6+ 0.7+ 981002 704 0.1- 0.2+ 990122 561 0.8+ 0.1+
980930 557 0.4+ 0.3+ 981002 704 (0.3- 2.3+) 990123 561 0.6+ 0.2-
980930 557 0.4+ 0.4+ 981002 704 (5.1- 0.4+) 990123 561 0.2+ 0.3-
980930 557 0.4+ 0.1+ 981002 411 1.0- 1.2- 990123 561 0.3+ 0.2-
980930 557 0.2+ 0.3+ 981002 411 0.5+ 0.2+ 990123 711 0.0 0.4-
980930 046 0.2- 0.1+ 981002 411 0.6+ 0.7- 990123 711 0.0 0.5-
980930 046 0.0 0.2+ 981002 422 0.1+ 0.2+ 990219 711 0.8+ 0.9+
980930 046 0.0 0.1+ 981002 422 0.3+ 0.2+ 990219 711 0.8+ 1.0+
980930 046 0.3+ 0.2+ 981002 422 0.3+ 0.8+ 990220 711 0.8- 0.6+
980930 046 0.4+ 0.3+ 981002 422 0.7+ 0.7+ 990220 711 1.9- 0.6+
980930 046 0.5+ 0.3+ 981002 900 0.7+ 0.8+ 990314 711 0.0 0.5-
981001 422 0.3- 0.5+ 981002 900 0.5+ 0.7+ 990314 711 0.0 0.6-
981001 422 1.2- 0.5- 981014 557 0.1+ 0.3- 030129 809 0.0 0.0
981001 422 0.0 0.1- 981014 557 0.2+ 0.3- 030129 809 0.2- 0.0
981001 422 0.2- 0.3- 981014 557 0.0 0.2- 030129 809 0.2- 0.1+
981002 704 0.0 0.0 981014 557 0.3- 0.4- 030130 809 0.1+ 0.3-
981002 704 0.4+ 0.6- 981020 557 0.5+ 0.0 030130 809 0.3- 0.0
981002 704 0.4- 0.7+ 981020 557 0.1- 0.2- 030130 809 0.1- 0.2-
981002 704 0.6- 0.3- 981020 557 0.1+ 0.6-
Ephemeris:
1998 ST49 a,e,i = 2.31, 0.59, 25 q = 0.9364
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2003 01 31 14 50.08 -19 11.8 2.608 2.703 84.8 21.3 22.6
2003 02 10 14 53.52 -20 23.1 2.510 2.757 93.8 20.9 22.5
2003 02 20 14 54.48 -21 27.9 2.411 2.810 103.4 20.0 22.5
2003 03 02 14 52.68 -22 25.3 2.317 2.860 113.5 18.5 22.4
2003 03 12 14 47.92 -23 13.3 2.233 2.909 124.2 16.4 22.2
2003 03 22 14 40.22 -23 49.8 2.164 2.956 135.3 13.7 22.1
2003 04 01 14 29.88 -24 12.0 2.115 3.002 146.8 10.5 22.0
2003 04 11 14 17.56 -24 17.8 2.093 3.046 158.2 7.0 21.8
2003 04 21 14 04.28 -24 07.5 2.100 3.088 167.2 4.1 21.7
2003 05 01 13 51.18 -23 43.3 2.138 3.128 167.1 4.1 21.8
2003 05 11 13 39.34 -23 10.1 2.208 3.167 158.2 6.8 22.0
2003 05 21 13 29.57 -22 34.0 2.305 3.205 147.4 9.8 22.3
2003 05 31 13 22.27 -22 00.3 2.427 3.241 136.7 12.4 22.5
2003 06 10 13 17.59 -21 33.2 2.569 3.275 126.4 14.5 22.7
2003 06 20 13 15.41 -21 15.3 2.726 3.308 116.6 15.9 22.9
2003 06 30 13 15.49 -21 07.7 2.893 3.339 107.3 16.9 23.1
Gareth V. Williams (C) Copyright 2003 MPC M.P.E.C. 2003-C26
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