MPEC 1999-S02: 1995 SM55
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M.P.E.C. 1999-S02 Issued 1999 Sept. 16, 14:31 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
1995 SM55
Revision to MPEC 1999-L24
Observations:
J95S55M C1999 08 06.32821 01 43 37.20 +14 26 01.2 807
J95S55M C1999 08 07.31694 01 43 36.30 +14 26 06.7 807
J95S55M C1999 08 07.41691 01 43 36.20 +14 26 07.4 807
Observer details:
807 Cerro Tololo. Observer J. W. Parker. 4-m Blanco reflector + CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees) and reference:
990806 807 0.03+ 0.04+ 990807 807 0.03+ 0.04+ MPC 35068
Orbital elements:
1995 SM55
Epoch 1999 Aug. 10.0 TT = JDT 2451400.5 Marsden
M 315.43670 (2000.0) P Q
n 0.00361060 Peri. 60.01583 +0.18971818 -0.96829052
a 42.0806897 Node 21.01100 +0.66944821 +0.00646912
e 0.0899185 Incl. 26.95819 +0.71822428 +0.24974312
P 273 H 5.3 G 0.15 U 6
Residuals in seconds of arc
950919 691 0.5+ 0.0 951001 691 0.6+ 0.1- 951120 691 0.1+ 0.2-
950919 691 0.7+ 0.2+ 951001 691 0.7+ 0.1+ 951127 691 0.7- 0.7+
950919 691 0.5+ 0.2+ 951115 691 0.5- 0.1- 951127 691 0.6+ 0.6-
950925 691 1.3- 0.2+ 951115 691 0.3- 0.2- 951127 691 0.7+ 0.1+
950925 691 1.1- 0.1+ 951115 691 0.5- 0.4+ 990806 807 0.3- 1.2+
950925 691 1.1- 0.1- 951120 691 0.2+ 0.0 990807 807 0.1+ 0.6-
951001 691 0.5+ 0.4- 951120 691 0.2+ 0.4- 990807 807 0.2+ 0.6-
Ephemeris:
1995 SM55 a,e,i = 42.08, 0.09, 27 q = 38.297
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
1999 09 09 01 42.28 +14 25.3 38.823 39.564 136.9 1.0 21.4
1999 09 19 01 41.61 +14 23.4 38.718 39.562 146.7 0.8 21.4
1999 09 29 01 40.85 +14 20.7 38.638 39.560 156.6 0.6 21.3
1999 10 09 01 40.02 +14 17.6 38.586 39.558 166.4 0.3 21.3
1999 10 19 01 39.15 +14 14.1 38.563 39.556 175.3 0.1 21.3
1999 10 29 01 38.28 +14 10.3 38.570 39.554 171.9 0.2 21.3
1999 11 08 01 37.44 +14 06.5 38.608 39.552 162.2 0.4 21.3
1999 11 18 01 36.66 +14 02.8 38.674 39.550 152.1 0.7 21.3
1999 11 28 01 35.96 +13 59.5 38.768 39.548 141.9 0.9 21.4
1999 12 08 01 35.38 +13 56.6 38.885 39.547 131.6 1.1 21.4
1999 12 18 01 34.93 +13 54.4 39.023 39.545 121.4 1.2 21.4
1999 12 28 01 34.63 +13 52.9 39.177 39.543 111.1 1.3 21.4
2000 01 07 01 34.50 +13 52.3 39.342 39.541 100.9 1.4 21.4
2000 01 17 01 34.53 +13 52.7 39.513 39.539 90.8 1.4 21.5
2000 01 27 01 34.74 +13 54.0 39.684 39.537 80.7 1.4 21.5
2000 02 06 01 35.10 +13 56.2 39.851 39.535 70.7 1.3 21.5
2000 02 16 01 35.62 +13 59.4 40.007 39.533 60.7 1.2 21.5
2000 02 26 01 36.28 +14 03.4 40.149 39.531 50.8 1.1 21.5
2000 03 07 01 37.06 +14 08.2 40.273 39.529 41.0 0.9 21.5
2000 03 17 01 37.94 +14 13.8 40.374 39.528 31.4 0.8 21.4
Brian G. Marsden (C) Copyright 1999 MPC M.P.E.C. 1999-S02
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