[Iaude] MPEC A235: 2012 CT [a=2.31,e=0.50,i=16.0,H=21.5]
mpec at mpcdb1.cfa.harvard.edu
mpec at mpcdb1.cfa.harvard.edu
Tue Jan 15 06:47:16 EST 2019
M.P.E.C. 2019-A235 Issued 2019 Jan. 15, 11:44 UT
The Minor Planet Electronic Circulars contain information on unusual
minor planets and routine data on comets. They are published
on behalf of Division F 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 at CFA.HARVARD.EDU
URL https://www.minorplanetcenter.net/ ISSN 1523-6714
2012 CT
Revision to MPEC 2012-C20
Additional Observations:
K12C00T C2019 01 14.30700 05 53 56.780-21 19 59.31 20.2 iUEA235F51
K12C00T C2019 01 14.32777 05 53 59.476-21 18 41.49 20.1 iUEA235F51
K12C00T C2019 01 14.33818 05 54 00.814-21 18 02.42 20.1 iUEA235F51
K12C00T C2019 01 15.17890 05 56 04.44 -20 24 23.5 20.0 GVEA235I52
K12C00T C2019 01 15.18043 05 56 04.68 -20 24 17.9 21.3 GVEA235I52
K12C00T C2019 01 15.18119 05 56 04.79 -20 24 14.7 20.0 GVEA235I52
K12C00T ^C2019 01 15.22798905 56 12.829-20 21 02.93 20.13GVEA235568
K12C00T ^C2019 01 15.22894605 56 12.959-20 20 59.27 20.16GVEA235568
K12C00T ^C2019 01 15.22990805 56 13.092-20 20 55.53 20.18GVEA235568
Observer details:
568 Mauna Kea. Observers R. Wainscoat, L. Wells, S. Prunet. Measurers
R. Weryk, R. Wainscoat. 3.6-m Canada-France-Hawaii Telescope + CCD.
F51 Pan-STARRS 1, Haleakala. Observers J. Bulger, T. Lowe, A. Schultz,
M. Willman. Measurers K. Chambers, S. Chastel, L. Denneau, J. Fairlamb,
H. Flewelling, M. Huber, C.-C. Lin, E. Magnier, Y. Ramanjooloo,
R. Wainscoat, R. Weryk. 1.8-m Ritchey-Chretien + CCD.
I52 Steward Observatory, Mt. Lemmon Station. Observer G. J. Leonard.
Measurers B. M. Africano, E. J. Christensen, G. A. Farneth, D. C. Fuls,
A. R. Gibbs, A. D. Grauer, H. Groeller, R. A. Kowalski, S. M. Larson,
G. J. Leonard, R. L. Seaman, F. C. Shelly. 1.0-m reflector + CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
190114 F51 2.67+ 0.14- 190115 568 2.69+ 0.13- MPO227514 -0.61 day
Orbital elements:
2012 CT Earth MOID = 0.1993 AU
Epoch 2019 Apr. 27.0 TT = JDT 2458600.5 MPC
M 29.87336 (2000.0) P Q
n 0.28120419 Peri. 325.39585 -0.28121605 -0.94315916
a 2.3073927 Node 140.09337 +0.93099122 -0.31289546
e 0.5035093 Incl. 16.02593 +0.23275068 +0.11201440
P 3.50 H 21.5 G 0.15 U 1
Residuals in seconds of arc
120202 G96 0.0 0.0 120204 807 0.0 0.2+ 120218 H21 0.2- 0.4-
120202 G96 0.4+ 0.1+ 120204 807 0.2- 0.1+ 120218 H21 0.5+ 0.7-
120202 G96 0.0 0.1+ 120204 807 0.2- 0.2+ 120219 H21 0.1- 0.4-
120202 G96 0.6+ 0.2+ 120204 807 0.2- 0.0 120219 H21 0.1+ 0.7-
120202 G96 0.2+ 0.1+ 120204 807 0.1- 0.1+ 120219 H21 0.1- 0.3-
120202 G96 0.3+ 0.3+ 120206 H21 0.6- 0.2- 120222 204 0.2- 0.4-
120202 G96 0.3- 0.3+ 120206 H21 0.4- 0.3- 120222 204 0.1+ 0.3-
120202 G96 0.1+ 0.1+ 120206 H21 0.3+ 0.1- 120222 448 0.3- 0.7-
120202 G96 0.2+ 0.1+ 120210 807 0.1- 0.5- 120222 448 0.7- 0.1+
120202 291 0.0 0.1- 120210 807 0.2- 0.2- 120222 H21 0.3- 0.7-
120202 291 0.4- 0.3+ 120210 807 0.0 0.6- 120222 H21 0.0 0.5-
120202 291 0.4+ 0.3- 120210 703 0.0 0.2- 120222 448 0.3- 0.3-
120202 D90 0.6+ 1.0+ 120210 703 (2.0- 0.3-) 120222 H21 0.4+ 0.4-
120202 D90 0.2+ 0.4+ 120210 703 0.5+ 0.5- 120312 291 0.1- 0.2+
120202 D90 0.1+ 0.3+ 120210 703 0.2- 0.2+ 120312 291 1.0+ 1.1+
120202 D90 0.2+ 0.2+ 120211 448 0.1+ 0.4- 120312 291 0.5+ 0.6-
120202 J95 0.3- 0.1+ 120211 448 0.1+ 0.7- 120312 291 0.0 0.1+
120202 J95 0.2+ 0.5+ 120211 448 0.4- 0.5- 120312 291 0.1- 0.1+
120202 J95 0.2- 0.6+ 120212 H21 0.1+ 0.6- 120312 291 0.2- 0.5+
120203 807 0.2+ 0.1- 120212 H21 0.0 0.4- 190114 F51 0.1+ 0.1-
120203 807 0.4+ 0.4+ 120212 H21 0.0 0.2- 190114 F51 0.1+ 0.1-
120203 807 0.1+ 0.0 120213 H21 0.0 0.4- 190114 F51 0.0 0.1-
120203 807 0.4+ 0.1+ 120213 H21 0.2- 0.4- 190115 I52 0.6- 0.2-
120203 291 0.1+ 0.6+ 120213 H21 0.3- 0.7- 190115 I52 0.1- 0.5-
120203 291 0.2+ 0.1- 120216 448 0.3+ 0.5- 190115 I52 0.0 0.3-
120203 291 0.1+ 0.0 120216 448 0.4- 0.8- 190115 568 0.1- 0.2-
120203 854 1.1- 0.5- 120216 448 0.1- 0.4- 190115 568 0.1- 0.3-
120203 854 1.0- 1.0+ 120218 H21 0.0 0.7- 190115 568 0.1- 0.2-
Ephemeris:
2012 CT a,e,i = 2.31, 0.50, 16 q = 1.1456
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2018 12 16 05 07 52.8 -36 31 41 0.3278 1.1823 119.9 46.2 21.2
...
2018 12 31 05 25 51.5 -32 15 15 0.2743 1.1521 121.9 46.4 20.8
...
2019 01 08 05 39 59.5 -27 07 17 0.2488 1.1460 125.5 44.3 20.5
...
2019 01 14 05 53 11.4 -21 38 50 0.2329 1.1462 129.6 41.4 20.3
2019 01 15 05 55 37.0 -20 35 34 0.2307 1.1466 130.4 40.8 20.2
2019 01 16 05 58 06.4 -19 29 53 0.2285 1.1471 131.2 40.2 20.2
...
2019 01 22 06 14 22.0 -12 08 31 0.2190 1.1527 136.4 36.0 20.0
...
2019 01 30 06 39 06.7 -00 49 53 0.2172 1.1663 143.2 30.4 19.8
...
2019 02 14 07 31 21.2 +19 02 28 0.2555 1.2091 146.7 26.6 20.2
A. U. Tomatic (C) Copyright 2019 MPC M.P.E.C. 2019-A235
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