MPEC 2012-T77 : 2012 TN139
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M.P.E.C. 2012-T77 Issued 2012 Oct. 13, 17:34 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 TN139
Observations:
K12TD9N* C2012 10 10.36350000 43 11.453-13 50 01.04 21.0 wLET077F51
K12TD9N C2012 10 10.37741500 43 13.677-13 49 36.92 21.2 wLET077F51
K12TD9N C2012 10 10.40525700 43 18.123-13 48 49.02 21.2 wLET077F51
K12TD9N |C2012 10 11.14408 00 45 32.61 -13 26 27.3 20.6 VuET077807
K12TD9N |C2012 10 11.14813 00 45 33.27 -13 26 20.0 20.9 VuET077807
K12TD9N |C2012 10 11.15217 00 45 33.91 -13 26 12.5 20.8 VuET077807
K12TD9N |C2012 10 11.15620 00 45 34.54 -13 26 05.7 20.8 VuET077807
K12TD9N |C2012 10 11.16024 00 45 35.19 -13 25 58.5 20.7 VuET077807
K12TD9N |C2012 10 12.14702 00 48 35.52 -12 56 09.7 20.6 VuET077807
K12TD9N |C2012 10 12.15138 00 48 36.23 -12 56 01.8 20.7 VuET077807
K12TD9N |C2012 10 12.16009 00 48 37.65 -12 55 45.4 20.9 VuET077807
K12TD9N |C2012 10 12.16443 00 48 38.35 -12 55 37.5 20.8 VuET077807
K12TD9N KC2012 10 13.21607 00 51 52.39 -12 23 36.1 oET077291
K12TD9N KC2012 10 13.21789 00 51 52.75 -12 23 33.5 20.7 RoET077291
K12TD9N KC2012 10 13.21970 00 51 53.05 -12 23 29.6 20.6 RoET077291
Observer details:
291 LPL/Spacewatch II. Observer T. H. Bressi. 1.8-m f/2.7 reflector + CCD.
807 Cerro Tololo. Observers T. Linder, R. Holmes, R. Sampson. 0.41-m f/11
Ritchey-Chretien + CCD.
F51 Pan-STARRS 1, Haleakala. Observers N. Primak, A. Schultz, S. Watters,
J. Thiel, T. Goggia. Measurer PS1 Science Consortium. 1.8-m
Ritchey-Chretien + CCD.
Orbital elements:
2012 TN139 Earth MOID = 0.1564 AU
Epoch 2012 Sept. 30.0 TT = JDT 2456200.5 MPC
M 355.28025 (2000.0) P Q
n 0.27063373 Peri. 309.76474 +0.92317316 -0.38154354
a 2.3670900 Node 72.70980 +0.36591627 +0.83516065
e 0.5149440 Incl. 2.80022 +0.11771405 +0.39614545
P 3.64 H 23.6 G 0.15 U 7
Residuals in seconds of arc
121010 F51 0.0 0.2- 121011 807 0.2- 0.1+ 121012 807 0.2+ 0.5+
121010 F51 0.0 0.1+ 121011 807 0.5- 0.2- 121012 807 0.1+ 0.4+
121010 F51 0.2+ 0.2+ 121011 807 0.5- 0.2- 121013 291 0.6- 0.3+
121011 807 0.0 0.4- 121012 807 0.2+ 0.2+ 121013 291 0.3+ 0.5-
121011 807 0.0 0.3- 121012 807 0.2+ 0.1+ 121013 291 0.3+ 0.0
Ephemeris:
2012 TN139 a,e,i = 2.37, 0.51, 3 q = 1.1482
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2012 09 13 23 36 30.4 -19 54 45 0.2146 1.2136 163.6 13.5 21.5
...
2012 09 28 00 08 28.7 -18 15 09 0.1772 1.1697 159.6 17.4 21.1
...
2012 10 06 00 30 16.0 -15 44 06 0.1657 1.1557 158.7 18.3 21.0
...
2012 10 12 00 48 08.0 -13 00 58 0.1612 1.1499 158.9 18.2 20.9
2012 10 13 00 51 11.2 -12 29 52 0.1608 1.1493 159.0 18.1 20.9
2012 10 14 00 54 15.3 -11 57 45 0.1605 1.1489 159.1 18.0 20.9
...
2012 10 20 01 12 47.1 -08 26 14 0.1611 1.1485 160.1 17.2 20.8
...
2012 10 28 01 36 57.8 -03 13 11 0.1684 1.1546 161.7 15.7 20.9
...
2012 11 12 02 16 39.7 +06 11 45 0.2027 1.1849 162.7 14.4 21.3
A. U. Tomatic (C) Copyright 2012 MPC M.P.E.C. 2012-T77
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