[Iaude] MPEC E103: 2016 CN246 [a=1.51,e=0.16,i=25.6,H=21.0]

mpec at mpcdb1.cfa.harvard.edu mpec at mpcdb1.cfa.harvard.edu
Wed Mar 14 13:31:17 EDT 2018


M.P.E.C. 2018-E103                               Issued 2018 Mar. 14, 17:27 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


                                  2016 CN246
 
                          Revision to MPEC 2016-C180
 
Additional Observations:
     K16CO6N |C2018 03 12.15492 13 58 09.22 -37 15 57.8          22.4 VUEE103807
     K16CO6N |C2018 03 12.17179 13 58 08.49 -37 16 52.0          22.5 VUEE103807
     K16CO6N |C2018 03 12.18864 13 58 07.75 -37 17 45.9          22.5 VUEE103807
     K16CO6N |C2018 03 14.15751 13 56 39.94 -39 03 04.1          22.0 GUEE103807
     K16CO6N |C2018 03 14.16498 13 56 39.50 -39 03 28.5          22.0 GUEE103807
     K16CO6N |C2018 03 14.17267 13 56 39.10 -39 03 53.6          22.0 GUEE103807
 
Observer details:
807 Cerro Tololo.  Observers T. Linder, R. Holmes.  1.00-m f/10.0 astrograph
    + CCD.
 
First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
180312 807 0.05- 0.03+    180314 807 0.05- 0.03+    MPO377907   +0.041 day
 
Orbital elements:
2016 CN246                                               Earth MOID = 0.4054 AU
Epoch 2018 Mar. 23.0 TT = JDT 2458200.5                 MPC
M 310.14388              (2000.0)            P               Q
n   0.52932713     Peri.  274.76792     -0.10702184     +0.99014126
a   1.5135146      Node   347.90986     -0.65147283     -0.13849583
e   0.1642798      Incl.   25.56022     -0.75108553     -0.02095696
P   1.86           H   21.0           G   0.15           U   3
Residuals in seconds of arc
160211 F51  0.1+  0.2+    160214 291  0.1-  0.5+    160326 705  0.0   0.2+
160211 F51  0.2+  0.1-    160214 F51  0.1-  0.0     160327 291  0.1+  0.1+
160211 F51  0.2+  0.1-    160214 F51  0.1-  0.1+    160327 291  0.2-  0.1+
160212 568  0.3+  0.1-    160214 F51  0.0   0.1-    160327 291  0.4-  0.6+
160212 568  0.4+  0.1-    160214 F51  0.0   0.2-    160329 H21  0.3+  0.2+
160212 568  0.4+  0.1-    160226 705  0.0   0.6-    160329 H21  0.1+  0.1+
160212 291  0.5-  0.2+    160226 705  0.7+  0.1-    160329 H21  0.1-  0.1+
160212 291  0.3-  0.2-    160226 705  0.3+  0.3-    160405 H21  0.3+  0.9-
160212 291  0.5-  0.3-    160229 291  0.2-  0.9+    160405 H21  0.5+  0.9-
160213 705  0.4+  0.3+    160229 291  0.2-  0.3-    160405 H21  0.5+  0.7-
160213 705  0.3+  0.0     160229 291  0.5-  0.1-    180312 807  0.1-  0.1-
160213 705  0.3+  0.3-    160325 705  0.2-  0.2-    180312 807  0.1-  0.1+
160213 H21  0.2-  0.2-    160325 705  0.2+  0.4+    180312 807  0.1-  0.5+
160213 H21  0.1-  0.1+    160325 705  0.4-  0.1-    180314 807  0.2+  0.2-
160213 H21  0.2-  0.1-    160326 705  0.2-  0.1+    180314 807  0.1-  0.2-
160214 291  0.2-  0.2+    160326 705  0.1+  0.4+    180314 807  0.2+  0.1-

Ephemeris:
2016 CN246               a,e,i = 1.51, 0.16, 26                  q = 1.2649
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2018 02 12    13 51 53.6 -16 15 44   0.7889  1.4693   111.2    38.8    22.9
...
2018 02 27    14 00 17.3 -26 24 56   0.6552  1.4346   120.0    36.7    22.4
...
2018 03 07    14 00 23.8 -32 48 46   0.5970  1.4163   124.1    35.4    22.1
...
2018 03 13    13 57 33.4 -38 00 57   0.5607  1.4029   126.7    34.6    21.9
2018 03 14    13 56 46.9 -38 54 33   0.5553  1.4007   127.1    34.5    21.9
2018 03 15    13 55 54.6 -39 48 31   0.5501  1.3985   127.4    34.4    21.9
...
2018 03 21    13 48 24.7 -45 16 42   0.5231  1.3854   128.8    34.1    21.7
...
2018 03 29    13 31 00.8 -52 27 55   0.4987  1.3685   129.1    34.5    21.6
...
2018 04 13    12 27 49.9 -63 22 37   0.4856  1.3391   124.5    38.1    21.6

A. U. Tomatic                (C) Copyright 2018 MPC           M.P.E.C. 2018-E103



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