[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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