MPEC 2001-S28: 1998 ST27
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M.P.E.C. 2001-S28 Issued 2001 Sept. 24, 14:47 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 ST27
Revision to MPEC 1998-S34
Observations:
J98S27T C2001 09 23.01891 01 14 35.93 +42 06 32.5 17.5 R 046
J98S27T C2001 09 23.02013 01 14 35.61 +42 06 31.2 046
J98S27T C2001 09 23.02110 01 14 35.34 +42 06 30.3 17.4 R 046
J98S27T C2001 09 23.02223 01 14 35.06 +42 06 29.1 046
J98S27T C2001 09 23.02324 01 14 34.77 +42 06 28.0 046
J98S27T C2001 09 23.02729 01 14 33.65 +42 06 23.8 17.3 R 046
J98S27T C2001 09 23.21404 01 13 48.71 +42 03 07.1 17.6 V 642
J98S27T C2001 09 23.21638 01 13 47.95 +42 03 05.0 17.6 V 642
J98S27T C2001 09 23.21998 01 13 47.11 +42 03 02.0 17.5 V 642
J98S27T C2001 09 23.22552 01 13 45.63 +42 02 56.5 17.5 V 642
J98S27T C2001 09 23.22793 01 13 44.99 +42 02 54.0 17.4 V 642
J98S27T C2001 09 24.33306 01 08 41.50 +41 42 04.9 658
J98S27T C2001 09 24.33571 01 08 40.67 +41 42 01.6 658
J98S27T C2001 09 24.33980 01 08 39.39 +41 41 56.4 658
Observer details:
046 Klet. Observers J. Ticha, M. Tichy, Z. Moravec. 0.57-m f/5.2 reflector
+ CCD.
642 Oak Bay, Victoria. Observer C. E. Spratt. 0.235-m f/5.6
Schmidt-Cassegrain + CCD.
658 National Research Council of Canada. Observer D. D. Balam. 1.82-m
Plaskett reflector + CCD.
Orbital elements:
1998 ST27 PHA 0.010
Epoch 2001 Oct. 18.0 TT = JDT 2452200.5 Marsden
M 274.84638 (2000.0) P Q
n 1.32882055 Peri. 322.39358 -0.92751270 -0.35760719
a 0.8193922 Node 197.63244 +0.36498581 -0.92925596
e 0.5300323 Incl. 21.04990 -0.08065697 -0.09273869
P 0.74 H 19.4 G 0.15 U 5
Residuals in seconds of arc
980924 704 0.9+ 1.1+ 980926 426 1.9- 0.5- 981009 046 0.7- 0.3+
980924 704 (3.4+ 0.1-) 980926 557 0.1- 0.1- 981009 046 0.5+ 0.1+
980924 704 0.3+ 0.3- 980926 557 0.0 0.3+ 981010 118 0.4- 0.1+
980924 704 1.2+ 0.8- 980926 046 0.2+ 0.5+ 981010 118 0.3+ 0.2+
980924 046 0.7- 0.5- 980926 046 0.2- 0.2+ 981012 557 0.8- 0.1+
980924 046 0.1+ 0.0 980926 046 1.2+ 0.3+ 981012 557 1.3- 0.6-
980924 046 0.0 0.4+ 980926 046 0.2+ 1.4+ 981012 587 0.2- 0.9+
980924 046 0.3- 0.1- 980927 658 0.2- 0.0 981012 587 1.2- 0.4-
980925 557 0.1+ 0.1+ 980927 658 0.6- 0.1+ 981013 046 0.2+ 0.6-
980925 557 0.5+ 0.0 980927 658 0.2- 0.0 981013 046 0.4- 0.8-
980925 422 (2.3- 0.7-) 980927 046 0.6+ 0.6+ 981013 046 0.5+ 0.8-
980925 422 (0.3+ 2.2+) 980927 046 0.3- 0.7- 981014 422 0.4- 0.5-
980925 422 0.4- 0.4+ 980927 046 0.7- 0.7+ 981014 422 0.2- 0.5-
980925 422 1.0- 0.6+ 980927 046 0.5+ 0.5+ 981014 422 0.1+ 0.3+
980925 557 0.0 0.1- 980929 658 0.0 0.4+ 981016 422 1.1+ 1.3+
980925 557 0.1+ 0.0 980929 658 0.3- 0.2+ 981019 658 1.0+ 0.9+
980925 557 0.1+ 0.3- 980929 658 0.4- 0.2+ 981019 658 1.1+ 0.3+
980925 046 0.3+ 0.4+ 980929 046 0.3- 1.2- 981021 422 0.2+ 1.2-
980925 046 0.0 0.2- 980929 046 0.2- 0.8- 010923 046 0.1+ 0.1+
980925 046 0.2+ 0.2- 980929 046 0.0 1.1- 010923 046 0.2+ 0.0
980925 046 0.2+ 0.2- 980929 557 0.5+ 0.1- 010923 046 0.1+ 0.1+
980926 704 0.8+ 0.1+ 980930 658 0.2+ 0.5- 010923 046 0.4+ 0.0
980926 704 1.6+ 1.5+ 980930 658 0.0 0.3- 010923 046 0.2+ 0.1-
980926 704 0.1+ 1.3- 980930 658 0.7+ 0.7- 010923 046 0.0 0.3-
980926 704 (2.9+ 0.4+) 981001 402 0.1- 1.4+ 010923 642 0.2+ 0.3+
980926 422 0.2+ 0.3+ 981001 402 0.2- 0.3+ 010923 642 1.3- 0.3+
980926 422 0.2- 0.3- 981001 402 0.5+ 0.7- 010923 642 0.0 0.5+
980926 422 0.1+ 0.1+ 981009 360 0.6+ 0.6+ 010923 642 0.0 0.0
980926 422 0.2+ 0.2- 981009 360 0.1- 0.5+ 010923 642 0.1+ 0.3-
980926 426 0.6- 0.5- 981009 360 0.6+ 0.2- 010924 658 0.3+ 0.2-
980926 426 0.6- 0.1+ 981009 046 0.2- 0.2+ 010924 658 0.1+ 0.2-
980926 426 0.8- 1.2- 981009 046 1.5- 0.4+ 010924 658 0.2- 0.4-
Ephemeris:
1998 ST27 a,e,i = 0.82, 0.53, 21 q = 0.3851
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2001 09 18 01 31.31 +42 56.1 0.236 1.167 128.8 42.1 18.2
2001 09 20 01 25.63 +42 43.1 0.217 1.158 131.1 40.8 18.0
2001 09 22 01 18.70 +42 21.6 0.199 1.149 133.4 39.4 17.8
2001 09 24 01 10.26 +41 49.0 0.180 1.140 135.9 37.7 17.5
2001 09 26 00 59.97 +41 01.0 0.163 1.130 138.6 35.9 17.2
2001 09 28 00 47.41 +39 51.5 0.145 1.119 141.5 33.9 16.9
2001 09 30 00 32.05 +38 10.9 0.128 1.108 144.5 31.6 16.5
2001 10 02 00 13.22 +35 44.9 0.112 1.097 147.5 29.4 16.1
2001 10 04 23 50.17 +32 11.1 0.097 1.085 149.8 27.6 15.7
2001 10 06 23 22.15 +26 57.0 0.084 1.073 150.2 27.6 15.4
2001 10 08 22 48.66 +19 22.5 0.072 1.060 146.6 31.3 15.2
2001 10 10 22 09.92 +09 01.8 0.065 1.047 137.4 40.2 15.1
2001 10 12 21 27.31 -03 26.3 0.062 1.034 123.6 53.5 15.4
2001 10 14 20 43.39 -15 54.6 0.064 1.019 108.3 68.3 15.9
2001 10 16 20 01.17 -26 13.7 0.071 1.005 94.3 81.6 16.5
2001 10 18 19 22.91 -33 42.2 0.081 0.990 83.0 92.4 17.2
2001 10 20 18 49.65 -38 46.7 0.094 0.974 74.0 100.7 17.9
2001 10 22 18 21.36 -42 09.6 0.108 0.958 66.9 107.1 18.5
2001 10 24 17 57.45 -44 24.8 0.123 0.941 61.1 112.3 19.0
2001 10 26 17 37.16 -45 55.0 0.139 0.924 56.3 116.5 19.5
2001 10 28 17 19.80 -46 54.6 0.155 0.907 52.1 120.1 20.0
2001 10 30 17 04.76 -47 32.8 0.171 0.889 48.5 123.2 20.4
2001 11 01 16 51.57 -47 55.0 0.188 0.870 45.2 126.0 20.8
2001 11 03 16 39.89 -48 04.9 0.205 0.851 42.2 128.5 21.2
2001 11 05 16 29.44 -48 04.8 0.223 0.831 39.4 130.8 21.5
2001 11 07 16 20.03 -47 56.2 0.241 0.811 36.8 132.9 21.9
Brian G. Marsden (C) Copyright 2001 MPC M.P.E.C. 2001-S28
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