[Iaude] MPEC S94: 2012 CQ36 [a=1.42,e=0.50,i=3.8,H=21.8]

[mpec at mpcdb1.cfa.harvard.edu]

M.P.E.C. 2017-S94                                Issued 2017 Sept. 21, 13:23 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 http://www.minorplanetcenter.net/    ISSN 1523-6714


                                   2012 CQ36
 
                           Revision to MPEC 2012-D07
 
Additional Observations:
     K12C36Q KC2017 09 20.06873602 11 23.840-00 38 23.33         21.7 GUES094J04
     K12C36Q KC2017 09 20.07830402 11 21.979-00 38 31.46         20.9 GUES094J04
     K12C36Q KC2017 09 20.08787102 11 20.117-00 38 39.77         21.3 GUES094J04
     K12C36Q KC2017 09 21.08617402 08 14.180-00 52 36.88         20.8 GUES094J04
     K12C36Q KC2017 09 21.10530802 08 10.492-00 52 52.67         21.0 GUES094J04
 
Observer details:
J04 ESA Optical Ground Station, Tenerife.  Observer D. Abreu.  Measurers
    M. Micheli, D. Koschny, A. Knoefel, M. Busch, E. Schwab.  1.0-m f/4.4
    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
170920 J04 0.12+ 0.08+    170921 J04 0.12+ 0.08+    MPO227516   -0.11 day
 
Orbital elements:
2012 CQ36                                                Earth MOID = 0.0604 AU
Epoch 2017 Sept. 4.0 TT = JDT 2458000.5                 MPC
M  45.81677              (2000.0)            P               Q
n   0.58129937     Peri.  161.10868     -0.31277878     +0.94750926
a   1.4219014      Node    90.62157     -0.87976493     -0.26268993
e   0.5001141      Incl.    3.80170     -0.35802668     -0.18226408
P   1.70           H   21.8           G   0.15           U   2
Residuals in seconds of arc
120213 F51  0.2-  0.4-    120222 291  0.1-  0.4-    120313 F65  0.1+  0.3-
120213 F51  0.1-  0.1-    120222 291  0.3+  0.9+    120313 F65  0.1+  0.2-
120213 F51  0.1-  0.1-    120222 291  0.1-  0.1+    120313 F65  0.0   0.2-
120215 568  0.0   0.0     120225 291  0.1+  0.1-    120313 F65  0.2+  0.0
120215 568  0.0   0.0     120225 291  0.6+  0.0     120327 291  0.6-  0.5-
120215 568  0.1-  0.1+    120225 291  0.0   0.4-    120327 291  0.4+  1.0+
120217 H21  0.2-  0.2-    120303 291  0.3+  0.4-    170920 J04  0.3+  0.1+
120217 H21  0.1-  0.0     120303 291  0.1-  0.3+    170920 J04  0.1+  0.0
120217 H21  0.1-  0.4-    120303 291  0.5+  0.0     170920 J04  0.0   0.2-
120219 291  0.1-  0.0     120313 291  0.1+  0.2-    170921 J04  0.4-  0.1-
120219 291  0.1+  0.1+    120313 291  0.3-  0.1-    170921 J04  0.1+  0.0
120219 291  0.1-  0.1-    120313 291  0.1-  0.5-

Ephemeris:
2012 CQ36                a,e,i = 1.42, 0.50, 4                   q = 0.7108
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2017 08 22    03 26 49.6 +06 21 26   0.3419  1.1104    97.7    64.5    22.0
...
2017 09 06    02 52 24.4 +02 50 15   0.3612  1.2331   120.9    44.5    21.8
...
2017 09 14    02 29 52.9 +00 50 22   0.3759  1.2964   134.2    33.8    21.6
...
2017 09 20    02 11 36.2 -00 37 14   0.3921  1.3425   144.3    25.9    21.6
2017 09 21    02 08 30.0 -00 51 14   0.3954  1.3501   146.0    24.6    21.6
2017 09 22    02 05 23.6 -01 04 59   0.3988  1.3576   147.7    23.3    21.6
...
2017 09 28    01 46 55.5 -02 21 06   0.4233  1.4022   157.3    16.0    21.5
...
2017 10 06    01 24 00.5 -03 40 18   0.4676  1.4595   167.3     8.7    21.6
...
2017 10 21    00 51 15.8 -04 49 23   0.5874  1.5605   160.0    12.6    22.4

A. U. Tomatic                (C) Copyright 2017 MPC           M.P.E.C. 2017-S94