MPEC 1999-V07: 1999 TD10
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M.P.E.C. 1999-V07 Issued 1999 Nov. 2, 16:59 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 TD10
Revision to MPEC 1999-T46
Observations:
J99T10D C1999 10 29.45433 23 37 36.02 -01 32 02.7 20.3 V 402
J99T10D C1999 10 29.45893 23 37 35.95 -01 32 02.8 402
J99T10D HC1999 10 30.13497 23 37 31.75 -01 32 41.7 19.8 V 691
J99T10D HC1999 10 30.15557 23 37 31.56 -01 32 41.9 20.0 V 691
J99T10D HC1999 10 30.17760 23 37 31.43 -01 32 43.6 20.3 V 691
J99T10D C1999 10 30.53770 23 37 29.29 -01 33 04.9 20.3 V 402
J99T10D C1999 10 30.54461 23 37 29.22 -01 33 05.0 402
Observer details:
402 Dynic Astronomical Observatory. Observer A. Sugie. 0.60-m f/3.7 reflector
+ CCD.
691 Steward Observatory, Kitt Peak. Observer J. A. Larsen. 0.9-m Spacewatch
telescope.
Orbital elements:
1999 TD10
Epoch 1999 Oct. 9.0 TT = JDT 2451460.5 Williams
M 0.48766 (2000.0) P Q
n 0.00051249 Peri. 141.14872 +0.82265036 +0.56849032
a 154.6480229 Node 184.23028 -0.54511873 +0.78463776
e 0.9247644 Incl. 6.28148 -0.16153004 +0.24731022
P 1900 H 8.6 G 0.15
From 42 observations 1999 Oct. 3-30.
Ephemeris:
1999 TD10 a,e,i =154.65, 0.92, 6 q = 11.635
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
1999 10 29 23 37.65 -01 31.6 11.772 12.540 139.1 3.0 19.7
1999 11 08 23 36.77 -01 40.0 11.913 12.558 128.9 3.5 19.8
1999 11 18 23 36.33 -01 45.7 12.072 12.576 118.7 4.0 19.9
1999 11 28 23 36.35 -01 48.3 12.245 12.594 108.6 4.3 19.9
1999 12 08 23 36.86 -01 47.7 12.428 12.612 98.5 4.4 20.0
1999 12 18 23 37.86 -01 43.9 12.616 12.631 88.6 4.5 20.0
1999 12 28 23 39.33 -01 37.0 12.803 12.649 78.8 4.4 20.0
2000 01 07 23 41.24 -01 27.1 12.985 12.668 69.1 4.2 20.1
2000 01 17 23 43.56 -01 14.5 13.157 12.687 59.6 3.8 20.1
2000 01 27 23 46.23 -00 59.5 13.315 12.706 50.1 3.4 20.1
2000 02 06 23 49.21 -00 42.4 13.456 12.725 40.7 2.9 20.1
2000 02 16 23 52.43 -00 23.5 13.576 12.744 31.5 2.3 20.1
The above orbit is the nominal solution. The semimajor axis could be
as small as 75 AU. A parabolic orbit also fits the data.
Gareth V. Williams (C) Copyright 1999 MPC M.P.E.C. 1999-V07
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