MPEC 2000-O40 : 1998 SF35
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M.P.E.C. 2000-O40 Issued 2000 July 31, 20:48 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
BMARSDEN@CFA.HARVARD.EDU or GWILLIAMS@CFA.HARVARD.EDU
URL http://cfa-www.harvard.edu/iau/mpc.html ISSN 1523-6714
1998 SF35
Revision to MPEC 1998-S40
Observations:
J98S35F 5C2000 07 06.27609 21 56 19.39 +40 53 42.9 695
J98S35F 5C2000 07 06.29435 21 56 19.09 +40 53 58.8 695
J98S35F 5C2000 07 07.33148 21 55 59.49 +41 09 54.5 695
J98S35F 5C2000 07 07.33383 21 55 59.34 +41 09 58.5 695
Observer details:
695 Kitt Peak. Observer C. W. Hergenrother, S. M. Larson. 2.3-m reflector
+ CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc, reference and Delta-T
000706 695 91.0- 1.6- 000707 695 92.9- 1.0- MPC 33355 +0.068 day
Orbital elements:
1998 SF35
Epoch 2000 Sept. 13.0 TT = JDT 2451800.5 Spahr
M 250.82583 (2000.0) P Q
n 0.45053453 Peri. 253.70261 -0.27139140 -0.89246073
a 1.6851969 Node 218.69900 +0.94265882 -0.32204514
e 0.2735895 Incl. 35.19545 -0.19427057 -0.31591262
P 2.19 H 17.7 G 0.15 U 3
Residuals in seconds of arc
980924 704 0.6+ 1.2+ 980927 557 0.7+ 0.0 981025 402 0.4- 0.5-
980924 704 (2.8+ 0.3+) 980927 557 0.2- 0.1- 981025 402 0.9- 0.4-
980924 704 1.4+ 0.7+ 980928 658 0.3- 0.2- 981028 587 0.0 0.9+
980924 704 (3.7- 0.2-) 980928 658 0.2- 0.4- 981028 587 0.2- 0.1-
980924 046 0.1+ 0.4- 980928 658 0.1- 0.3- 981107 118 1.3- 1.3-
980924 046 0.2+ 0.0 980930 046 0.2- 0.8- 981107 118 1.9- 1.8-
980924 046 0.4+ 0.2- 980930 046 0.3+ 0.0 981110 360 0.3+ 0.5+
980924 046 0.3+ 0.0 980930 046 0.3+ 0.8- 981110 360 0.0 0.0
980925 557 0.4+ 0.5+ 981002 402 0.3- 0.3+ 981110 360 0.1+ 0.2+
980925 557 1.2+ 0.8+ 981002 402 0.8- 0.3- 981124 557 0.1+ 1.5+
980925 557 0.8+ 2.0+ 981002 402 0.8+ 1.4- 981124 557 0.5- 0.9+
980925 046 0.8+ 0.6+ 981017 557 0.2+ 0.1- 981126 402 0.4+ 0.2-
980925 046 0.2- 0.7+ 981017 557 0.3+ 0.4- 981126 402 0.8+ 0.4-
980925 557 0.2+ 0.2+ 981019 658 0.3+ 0.3- 981126 402 1.1+ 0.0
980925 557 0.3- 0.0 981019 658 0.1+ 0.3+ 000706 695 0.2+ 0.1+
980925 557 0.0 0.5+ 981019 658 0.2+ 0.4+ 000706 695 0.7+ 1.3-
980927 658 0.8- 0.3+ 981023 118 0.2- 0.1+ 000707 695 0.1+ 0.8-
980927 658 0.3- 0.1- 981023 118 0.6- 0.1+ 000707 695 1.0- 1.0+
980927 658 0.9- 0.4- 981025 402 0.2- 0.7-
Ephemeris:
1998 SF35 a,e,i = 1.69, 0.27, 35 q = 1.2241
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2000 07 25 21 44.35 +44 48.7 1.427 2.046 112.6 27.3 21.2
2000 08 04 21 32.94 +45 53.0 1.360 2.026 116.4 26.6 21.1
2000 08 14 21 19.24 +45 59.4 1.302 2.005 119.6 26.1 21.0
2000 08 24 21 05.06 +45 00.3 1.253 1.983 121.9 25.7 20.8
2000 09 03 20 52.48 +42 54.1 1.216 1.958 123.0 25.6 20.8
2000 09 13 20 43.37 +39 48.0 1.193 1.932 122.8 26.0 20.7
2000 09 23 20 38.75 +35 55.9 1.182 1.905 121.0 26.8 20.7
2000 10 03 20 38.95 +31 35.1 1.187 1.876 117.9 28.1 20.7
2000 10 13 20 43.74 +27 04.1 1.204 1.846 113.5 29.7 20.7
2000 10 23 20 52.56 +22 38.9 1.235 1.814 108.4 31.4 20.8
2000 11 02 21 04.85 +18 31.4 1.276 1.781 102.7 32.9 20.9
2000 11 12 21 20.01 +14 50.1 1.327 1.747 96.8 34.2 20.9
2000 11 22 21 37.51 +11 39.0 1.384 1.712 90.8 35.2 21.0
2000 12 02 21 56.92 +08 59.7 1.445 1.676 84.9 35.9 21.1
2000 12 12 22 17.88 +06 51.4 1.509 1.639 79.1 36.2 21.1
2000 12 22 22 40.06 +05 11.7 1.573 1.601 73.5 36.1 21.2
2001 01 01 23 03.28 +03 57.7 1.635 1.564 68.2 35.7 21.2
2001 01 11 23 27.36 +03 06.1 1.694 1.526 63.1 35.1 21.2
Gareth V. Williams (C) Copyright 2000 MPC M.P.E.C. 2000-O40
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