MPEC 2012-T70 : 2007 TF68
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M.P.E.C. 2012-T70 Issued 2012 Oct. 12, 12:02 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.
Prepared using the Tamkin Foundation Computer Network
MPC@CFA.HARVARD.EDU
URL https://www.minorplanetcenter.net/ ISSN 1523-6714
2007 TF68
Revision to MPEC 2007-T102
Additional Observations:
K07T68F C2012 10 11.28903 01 08 08.84 +02 04 59.1 19.9 VrET070G96
K07T68F C2012 10 11.29596 01 08 06.03 +02 05 46.6 19.6 VrET070G96
K07T68F C2012 10 11.30281 01 08 03.30 +02 06 33.9 19.8 VrET070G96
K07T68F C2012 10 11.30962 01 08 00.60 +02 07 20.3 19.6 VrET070G96
K07T68F C2012 10 11.37270 01 07 35.36 +02 14 34.5 19.3 VrET070G96
K07T68F C2012 10 11.37550 01 07 34.24 +02 14 54.1 19.2 VrET070G96
K07T68F C2012 10 11.37831 01 07 33.13 +02 15 13.2 19.3 VrET070G96
K07T68F KC2012 10 12.06056 01 03 10.86 +03 35 40.6 18.8 RuET070I19
K07T68F KC2012 10 12.06464 01 03 09.15 +03 36 10.1 19.1 RuET070I19
K07T68F KC2012 10 12.06851 01 03 07.59 +03 36 36.8 19.5 RuET070I19
K07T68F .C2012 10 12.13144 01 02 43.33 +03 43 09.2 rET070H06
K07T68F .C2012 10 12.13351 01 02 42.48 +03 43 24.2 19.0 RrET070H06
K07T68F .C2012 10 12.13724 01 02 40.93 +03 43 50.8 18.8 RrET070H06
Observer details:
G96 Mt. Lemmon Survey. Observer A. Boattini. Measurers A. Boattini,
E. J. Christensen, A. R. Gibbs, A. D. Grauer, R. E. Hill, R. A. Kowalski,
S. M. Larson, R. H. McNaught. 1.5-m reflector + CCD.
H06 RAS Observatory, Mayhill. Observers C. Jacques, E. Pimentel. Measurer
C. Jacques. 0.43-m f/4.5 astrograph + CCD.
I19 Observatorio El Gato Gris, Tanti. Observer C. Colazo. 0.36-m f/11
Schmidt-Cassegrain + CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc (or integer in degrees), reference and Delta-T
121011 G96 35- 31- 121012 H06 36- 32- MPO126824 +7.9 day
Orbital elements:
2007 TF68 Earth MOID = 0.1514 AU
Epoch 2012 Sept. 30.0 TT = JDT 2456200.5 MPC
M 314.20197 (2000.0) P Q
n 0.59103767 Peri. 62.40433 +0.17323855 -0.97392600
a 1.4062394 Node 19.37285 +0.67353868 +0.00864428
e 0.2652708 Incl. 26.20516 +0.71856388 +0.22670117
P 1.67 H 22.9 G 0.15 U 5
Residuals in seconds of arc
071013 703 1.3+ 0.3- 071013 024 0.3+ 0.5- 071016 715 0.6- 0.2-
071013 703 0.2- 0.5- 071013 A17 0.1+ 0.7- 071016 715 0.2- 0.4+
071013 703 0.1+ 0.1+ 071013 A55 0.1+ 0.2+ 121011 G96 0.3+ 0.1+
071013 703 0.3+ 0.7+ 071013 A55 0.1- 0.6- 121011 G96 0.3- 0.0
071013 703 0.4- 0.9+ 071013 A55 0.2+ 0.1+ 121011 G96 0.1- 0.2+
071013 703 0.6- 0.3+ 071015 673 0.2+ 0.2+ 121011 G96 0.2+ 0.2-
071013 703 0.0 0.2- 071015 673 1.2+ 0.4- 121011 G96 0.0 0.2-
071013 703 (0.4+ 2.2+) 071015 673 0.6- 1.0+ 121011 G96 0.0 0.1+
071013 703 1.0- 0.7+ 071015 673 0.2+ 0.8+ 121011 G96 0.2+ 0.2-
071013 703 0.1- 0.8+ 071015 246 0.3- 0.1- 121012 I19 0.3+ 0.1-
071013 703 0.1- 0.4+ 071015 246 0.5+ 0.6- 121012 I19 0.3- 0.4+
071013 A17 0.9- 0.9- 071015 246 0.1+ 0.1- 121012 I19 0.1+ 0.4-
071013 024 0.0 0.1+ 071015 246 0.1- 0.0 121012 H06 0.1+ 0.1-
071013 A17 0.0 1.0- 071015 246 0.3+ 0.2- 121012 H06 0.0 0.2+
071013 024 0.4+ 0.4- 071016 715 0.2- 0.1+ 121012 H06 0.4- 0.2+
Ephemeris:
2007 TF68 a,e,i = 1.41, 0.27, 26 q = 1.0332
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2012 09 12 02 34 31.5 -23 35 17 0.3814 1.2835 129.6 37.2 22.9
...
2012 09 27 02 11 18.9 -16 25 29 0.2575 1.2245 146.1 27.2 21.6
...
2012 10 05 01 42 28.2 -08 08 42 0.2038 1.1941 160.6 16.2 20.7
...
2012 10 11 01 09 58.5 +01 32 26 0.1745 1.1721 174.4 4.7 19.9
2012 10 12 01 03 33.2 +03 27 57 0.1709 1.1686 175.8 3.6 19.7
2012 10 13 00 56 50.8 +05 28 08 0.1678 1.1650 175.3 4.0 19.7
...
2012 10 19 00 11 13.4 +18 27 38 0.1584 1.1443 157.8 19.2 20.2
...
2012 10 27 23 02 38.3 +34 04 49 0.1715 1.1184 133.3 40.3 20.9
...
2012 11 11 21 16 02.6 +48 30 42 0.2424 1.0773 104.7 62.7 22.2
Gareth V. Williams (C) Copyright 2012 MPC M.P.E.C. 2012-T70
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