MPEC 2012-T81 : 2012 TR139
The following Minor Planet Electronic Circular may be linked-to from your own Web pages, but must not otherwise be redistributed electronically.A form allowing access to any MPEC is at the bottom of this page.
Read MPEC 2012-T80
Read MPEC 2012-T82
M.P.E.C. 2012-T81 Issued 2012 Oct. 13, 17:43 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
2012 TR139
Observations:
K12TD9R* C2012 10 11.33692 03 51 54.46 -08 17 15.3 18.6 VrET081703
K12TD9R C2012 10 11.34490 03 51 54.00 -08 18 48.9 19.6 VrET081703
K12TD9R C2012 10 11.35282 03 51 53.82 -08 20 22.5 19.5 VrET081703
K12TD9R C2012 10 11.36083 03 51 53.42 -08 21 55.3 19.9 VrET081703
K12TD9R C2012 10 11.40044 03 51 51.79 -08 29 43.2 19.1 RoET081H01
K12TD9R C2012 10 11.40442 03 51 51.73 -08 30 29.4 19.8 VrET081703
K12TD9R C2012 10 11.41009 03 51 51.41 -08 31 36.9 19.4 RoET081H01
K12TD9R C2012 10 11.41485 03 51 51.21 -08 32 32.8 19.7 RoET081H01
K12TD9R C2012 10 11.42443 03 51 50.83 -08 34 25.5 18.9 RoET081H01
K12TD9R C2012 10 11.42730 03 51 50.83 -08 34 58.2 20.2 VrET081703
K12TD9R C2012 10 11.43130 03 51 50.68 -08 35 45.5 19.9 VrET081703
K12TD9R C2012 10 11.43864 03 51 50.39 -08 37 10.7 19.3 VrET081703
K12TD9R C2012 10 11.43955 03 51 50.34 -08 37 22.0 19.6 VrET081G96
K12TD9R C2012 10 11.44000 03 51 50.34 -08 37 27.6 19.6 VrET081G96
K12TD9R C2012 10 11.44044 03 51 50.34 -08 37 32.8 19.8 VrET081G96
K12TD9R C2012 10 11.44569 03 51 50.15 -08 38 35.6 19.6 VrET081703
K12TD9R C2012 10 11.44619 03 51 50.14 -08 38 40.6 20.0 VrET081703
K12TD9R |C2012 10 12.22497 03 51 27.58 -11 09 10.1 19.9 VuET081807
K12TD9R |C2012 10 12.22730 03 51 27.48 -11 09 36.9 19.9 VuET081807
K12TD9R |C2012 10 12.22964 03 51 27.37 -11 10 03.9 19.9 VuET081807
K12TD9R KC2012 10 12.28282 03 51 24.88 -11 20 15.5 19.7 RuET081I19
K12TD9R KC2012 10 12.28491 03 51 24.76 -11 20 40.1 19.6 RuET081I19
K12TD9R KC2012 10 12.28648 03 51 24.73 -11 20 58.0 19.3 RuET081I19
K12TD9R KC2012 10 13.10279 03 50 57.46 -13 55 58.3 19.3 VuET081954
K12TD9R KC2012 10 13.10791 03 50 57.28 -13 56 54.6 19.7 VuET081954
K12TD9R KC2012 10 13.11318 03 50 57.10 -13 57 53.2 19.5 VuET081954
K12TD9R KC2012 10 13.11384 03 50 56.15 -13 58 08.2 tET081204
K12TD9R KC2012 10 13.12615 03 50 55.61 -14 00 26.0 19.2 RtET081204
K12TD9R KC2012 10 13.14061 03 50 54.98 -14 03 07.8 tET081204
K12TD9R C2012 10 13.38760 03 50 46.86 -14 48 55.8 19.3 RcET081854
K12TD9R C2012 10 13.39138 03 50 46.57 -14 49 40.0 19.5 RcET081854
K12TD9R C2012 10 13.39502 03 50 46.40 -14 50 17.7 19.7 RcET081854
Observer details:
204 Schiaparelli Observatory. Observer L. Buzzi. 0.60-m f/4.64 reflector
+ CCD.
703 Catalina Sky Survey. Observer A. R. Gibbs. Measurers A. Boattini,
E. J. Christensen, A. R. Gibbs, A. D. Grauer, R. E. Hill, R. A. Kowalski,
S. M. Larson, R. H. McNaught. 0.68-m Schmidt + CCD.
807 Cerro Tololo. Observers T. Linder, R. Holmes, R. Sampson. 0.41-m f/11
Ritchey-Chretien + CCD.
854 Sabino Canyon Observatory, Tucson. Observer J. E. McGaha. 0.36-m f/10.0
Schmidt-Cassegrain + CCD.
954 Teide Observatory. Observer N. D. Diaz. 0.26-m f/11.6 reflector + CCD.
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.
H01 Magdalena Ridge Observatory, Socorro. Observers W. H. Ryan, E. V. Ryan.
Measurer W. H. Ryan. 2.4-m f/8.9 reflector + CCD.
I19 Observatorio El Gato Gris, Tanti. Observers C. Colazo, S. Morero.
Measurer C. Colazo. 0.36-m f/11 Schmidt-Cassegrain + CCD.
Orbital elements:
2012 TR139 Earth MOID = 0.2070 AU
Epoch 2012 Sept. 30.0 TT = JDT 2456200.5 MPC
M 1.61630 (2000.0) P Q
n 0.34112935 Peri. 173.47421 +0.95506581 -0.10126465
a 2.0285700 Node 200.38570 +0.22268486 +0.86538932
e 0.4072018 Incl. 53.09938 +0.19560357 -0.49076145
P 2.89 H 20.6 G 0.15 U 9
Residuals in seconds of arc
121011 703 1.0+ 0.5+ 121011 703 0.4+ 2.1+ 121012 I19 0.7+ 1.8+
121011 703 1.3- 0.9+ 121011 G96 0.1+ 1.5+ 121013 954 0.5+ 2.5+
121011 703 0.6+ 0.7+ 121011 G96 0.4+ 1.2+ 121013 954 (1.4+ 3.7+)
121011 703 0.7- 2.2+ 121011 G96 0.7+ 1.2+ 121013 954 (2.5+ 4.2+)
121011 H01 0.1+ 1.2+ 121011 703 1.0+ 0.0 121013 204 0.3- 2.5+
121011 703 0.1- 1.2+ 121011 703 1.1+ 0.9+ 121013 204 0.2- 2.5+
121011 H01 0.2+ 1.0+ 121012 807 0.4+ 1.8+ 121013 204 0.1+ 2.4+
121011 H01 0.0 1.1+ 121012 807 0.4+ 1.9+ 121013 854 (1.1+ 3.4+)
121011 H01 0.0 1.0+ 121012 807 0.3+ 1.8+ 121013 854 0.5- 1.2+
121011 703 0.2+ 1.4+ 121012 I19 0.6+ 2.2+ 121013 854 (0.4- 3.9+)
121011 703 0.3+ 1.1+ 121012 I19 0.2+ 1.6+
Ephemeris:
2012 TR139 a,e,i = 2.03, 0.41, 53 q = 1.2025
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2012 09 13 03 33 17.2 +56 05 50 0.4943 1.2088 101.9 54.6 21.5
...
2012 09 28 03 51 22.2 +32 44 28 0.3230 1.2028 121.5 45.2 20.3
...
2012 10 06 03 53 21.4 +09 35 13 0.2761 1.2073 133.8 36.7 19.7
...
2012 10 12 03 51 33.9 -10 25 55 0.2790 1.2141 136.0 34.9 19.7
2012 10 13 03 51 00.6 -13 36 18 0.2828 1.2155 135.4 35.2 19.7
2012 10 14 03 50 23.2 -16 40 28 0.2876 1.2170 134.7 35.6 19.8
...
2012 10 20 03 45 20.3 -32 21 03 0.3319 1.2275 127.8 39.9 20.2
...
2012 10 28 03 35 55.3 -45 56 48 0.4192 1.2457 117.8 44.8 20.9
...
2012 11 12 03 15 19.0 -57 31 13 0.6144 1.2913 104.8 47.8 21.9
A. U. Tomatic (C) Copyright 2012 MPC M.P.E.C. 2012-T81
Read MPEC 2012-T80
Read MPEC 2012-T82
Enter an MPEC number in one of the following forms:
- 1997-B01 (the full form)
- J97B01 (the packed version of the full form)
- B01 (the abbreviated form)