MPEC 2007-T21 : 2007 TH1
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M.P.E.C. 2007-T21 Issued 2007 Oct. 5, 21:59 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.
Prepared using the Tamkin Foundation Computer Network
MPC@CFA.HARVARD.EDU
URL http://www.cfa.harvard.edu/iau/mpc.html ISSN 1523-6714
2007 TH1
Observations:
K07T01H*tC2007 10 05.31927 04 27 37.82 +28 15 01.2 18.6 V ET021291
K07T01H tC2007 10 05.32360 04 27 32.08 +28 16 01.7 18.7 V ET021291
K07T01H tC2007 10 05.32773 04 27 26.70 +28 16 57.6 18.5 V ET021291
K07T01H C2007 10 05.35114 04 26 56.31 +28 22 15.5 17.9 R ET021651
K07T01H C2007 10 05.35177 04 26 55.47 +28 22 23.7 17.8 R ET021651
K07T01H C2007 10 05.35303 04 26 53.81 +28 22 41.0 17.9 R ET021651
K07T01H tC2007 10 05.35530 04 26 50.99 +28 23 10.3 18.4 V ET021291
K07T01H tC2007 10 05.36379 04 26 39.98 +28 25 04.9 18.5 V ET021291
K07T01H tC2007 10 05.36791 04 26 34.48 +28 26 00.2 19.2 V ET021291
K07T01H C2007 10 05.89372 04 15 36.80 +30 16 47.5 18.0 R ET021024
K07T01H C2007 10 05.89788 04 15 31.60 +30 17 39.4 ET021024
K07T01H C2007 10 05.90204 04 15 26.41 +30 18 30.9 ET021024
Observer details:
024 Heidelberg-Konigstuhl. Observer F. Hormuth. 0.70-m reflector + CCD.
291 LPL/Spacewatch II. Observer T. H. Bressi. 1.8-m f/2.7 reflector + CCD.
651 Grasslands Observatory, Tucson. Observer J. E. McGaha. 0.62-m f/5.1
Newtonian reflector + CCD.
Orbital elements:
2007 TH1 PHA, Earth MOID = 0.0228 AU
Epoch 2007 Oct. 27.0 TT = JDT 2454400.5 MPC
M 39.32514 (2000.0) P Q
n 0.52154140 Peri. 286.71207 +0.49511147 +0.86440946
a 1.5285402 Node 14.00518 -0.59325676 +0.40995334
e 0.4797013 Incl. 21.20257 -0.63475275 +0.29109200
P 1.89 H 21.9 G 0.15 U 9
Residuals in seconds of arc
071005 291 0.7+ 0.9- 071005 651 0.4- 0.3- 071005 291 1.3- 0.4-
071005 291 1.0- 0.7+ 071005 651 0.7- 0.0 071005 024 0.4- 0.2-
071005 291 1.4- 0.4+ 071005 291 0.1- 0.3- 071005 024 0.4- 0.1+
071005 651 0.1- 0.0 071005 291 0.5+ 0.2- 071005 024 0.3- 0.0
Ephemeris:
2007 TH1 a,e,i = 1.53, 0.48, 21 q = 0.7953
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2007 09 27 07 12.47 -11 30.3 0.0818 0.985 75.0 100.3 20.1
2007 10 02 05 38.64 +13 03.0 0.0714 1.020 103.4 72.7 18.8
2007 10 07 03 53.15 +33 41.3 0.0874 1.056 128.7 47.6 18.5
2007 10 12 02 29.81 +42 05.2 0.120 1.094 140.5 35.4 18.9
2007 10 17 01 36.47 +44 25.3 0.161 1.132 144.5 30.8 19.5
2007 10 22 01 03.93 +44 39.2 0.205 1.169 145.0 29.2 20.1
2007 10 27 00 44.00 +44 09.6 0.252 1.208 144.1 28.9 20.6
2007 11 01 00 31.87 +43 24.6 0.302 1.245 142.4 29.1 21.1
2007 11 06 00 24.88 +42 35.0 0.353 1.283 140.2 29.6 21.5
2007 11 11 00 21.49 +41 45.7 0.407 1.320 137.8 30.2 21.9
2007 11 16 00 20.74 +40 59.4 0.463 1.357 135.2 30.9 22.2
Timothy B. Spahr (C) Copyright 2007 MPC M.P.E.C. 2007-T21
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