MPEC 1999-T12: 1999 SD10
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M.P.E.C. 1999-T12 Issued 1999 Oct. 4, 14:02 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
1999 SD10
Observations:
J99S10D* C1999 09 30.15853 21 40 21.03 -28 31 25.5 18.0 704
J99S10D C1999 09 30.19078 21 40 24.41 -28 30 59.4 18.3 704
J99S10D C1999 09 30.20664 21 40 25.99 -28 30 45.5 18.5 704
J99S10D C1999 09 30.22249 21 40 27.64 -28 30 32.1 18.3 704
J99S10D C1999 10 01.20702 21 42 14.81 -28 16 34.1 18.3 704
J99S10D C1999 10 01.21238 21 42 15.32 -28 16 29.7 18.8 704
J99S10D C1999 10 01.21750 21 42 15.90 -28 16 25.1 19.1 704
J99S10D C1999 10 01.22263 21 42 16.44 -28 16 20.3 18.9 704
J99S10D C1999 10 01.23813 21 42 18.02 -28 16 06.8 19.4 704
J99S10D C1999 10 01.24327 21 42 18.55 -28 16 03.0 19.3 704
J99S10D C1999 10 01.50437 21 42 47.35 -28 12 05.7 17.8 R 426
J99S10D C1999 10 01.50815 21 42 47.72 -28 12 01.8 18.1 R 426
J99S10D C1999 10 01.51192 21 42 48.15 -28 11 58.8 17.9 R 426
J99S10D C1999 10 01.78873 21 43 18.81 -28 08 12.0 18.3 V 104
J99S10D C1999 10 01.79259 21 43 19.09 -28 08 08.9 104
J99S10D C1999 10 01.79653 21 43 19.40 -28 08 06.5 104
J99S10D C1999 10 01.85571 21 43 25.68 -28 07 14.5 17.5 R 046
J99S10D C1999 10 01.85713 21 43 25.85 -28 07 13.9 046
J99S10D C1999 10 01.85858 21 43 26.09 -28 07 13.7 046
J99S10D C1999 10 01.85998 21 43 26.25 -28 07 11.9 046
J99S10D C1999 10 01.86296 21 43 26.42 -28 07 09.2 046
J99S10D C1999 10 02.08362 21 43 50.20 -28 03 44.0 18.7 V 859
J99S10D C1999 10 02.09098 21 43 51.00 -28 03 38.2 18.6 V 859
J99S10D C1999 10 02.09433 21 43 51.33 -28 03 35.6 18.8 V 859
J99S10D C1999 10 02.10407 21 43 52.36 -28 03 26.8 19.8 V 859
J99S10D C1999 10 02.48674 21 44 34.77 -27 57 52.2 18.4 R 426
J99S10D C1999 10 02.48980 21 44 35.08 -27 57 49.1 18.3 R 426
J99S10D C1999 10 02.88686 21 45 18.36 -27 52 14.4 17.5 R 046
J99S10D C1999 10 02.89006 21 45 18.65 -27 52 12.1 046
J99S10D C1999 10 02.89133 21 45 18.89 -27 52 11.2 046
J99S10D C1999 10 02.89247 21 45 18.92 -27 52 09.9 046
J99S10D C1999 10 03.47720 21 46 23.38 -27 43 20.1 18.3 R 426
J99S10D C1999 10 03.48067 21 46 23.76 -27 43 16.9 18.3 R 426
J99S10D C1999 10 03.48410 21 46 24.11 -27 43 13.7 18.8 R 426
Observer details:
046 Klet. Observers J. Ticha, M. Tichy, Z. Moravec. 0.57-m f/5.2 reflector
+ CCD.
104 San Marcello Pistoiese. Observers L. Tesi, A. Boattini, M. Tombelli.
Measurers A. Boattini, G. Forti, L. Tesi, M. Tombelli. 0.40-m f/5
reflector + CCD.
426 Woomera. Observer F. B. Zoltowski. 0.30-m f/3.3 Schmidt-Cassegrain + CCD.
704 Lincoln Laboratory ETS, New Mexico. Observers M. Blythe, F. Shelly,
M. Bezpalko, M. Elowitz. Measurers J. Stuart, H. Viggh, R. Sayer. 1.0-m
f/2.15 reflector + CCD.
859 Wykrota Observatory-CEAMIG. Observer C. Jacques. 0.3-m f/3.3
Schmidt-Cassegrain + CCD.
Orbital elements:
1999 SD10
Epoch 1999 Sept. 19.0 TT = JDT 2451440.5 Williams
M 6.11807 (2000.0) P Q
n 0.19259512 Peri. 226.50139 +0.74659481 +0.65707879
a 2.9696541 Node 92.13589 -0.57636106 +0.71701187
e 0.5211945 Incl. 5.98138 -0.33227117 +0.23268314
P 5.12 H 17.4 G 0.15
From 34 observations 1999 Sept. 30-Oct. 3.
Ephemeris:
1999 SD10 a,e,i = 2.97, 0.52, 6 q = 1.4219
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
1999 09 29 21 38.26 -28 47.4 0.626 1.486 130.4 30.9 18.6
1999 10 09 21 56.57 -26 19.0 0.700 1.519 125.8 32.3 18.9
1999 10 19 22 15.25 -23 35.1 0.786 1.557 121.3 33.2 19.2
1999 10 29 22 34.01 -20 42.7 0.884 1.599 116.7 33.7 19.6
1999 11 08 22 52.65 -17 46.8 0.993 1.646 112.2 33.9 19.9
1999 11 18 23 11.15 -14 50.8 1.112 1.696 107.5 33.8 20.2
1999 11 28 23 29.45 -11 57.2 1.242 1.750 102.8 33.4 20.5
1999 12 08 23 47.55 -09 07.7 1.381 1.805 98.0 32.7 20.8
1999 12 18 00 05.51 -06 23.3 1.529 1.862 93.1 31.8 21.0
1999 12 28 00 23.33 -03 44.8 1.683 1.921 88.1 30.8 21.3
2000 01 07 00 41.03 -01 12.7 1.843 1.980 83.0 29.5 21.5
2000 01 17 00 58.67 +01 12.7 2.007 2.041 77.8 28.1 21.7
2000 01 27 01 16.25 +03 31.1 2.173 2.101 72.6 26.6 21.9
2000 02 06 01 33.78 +05 42.2 2.341 2.162 67.4 24.9 22.1
Gareth V. Williams (C) Copyright 1999 MPC M.P.E.C. 1999-T12
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