[Iaude] MPEC B161: 2016 CM246 [a=1.94,e=0.78,i=6.2,H=20.58]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Tue Jan 30 21:32:45 EST 2024


M.P.E.C. 2024-B161                             Issued 2024 January 31, 02:31 UT

     The Minor Planet Electronic Circulars contain information on unusual
         minor planets, routine data on comets and natural satellites,
         and occasional editorial announcements.  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 CM246                                   


                           Revision to MPEC 2016-C179                           

Additional Observations:
     K16CO6M  C2024 01 30.26188602 40 36.638+30 50 54.46         18.97oVEB161T08
     K16CO6M  C2024 01 30.26952402 40 46.272+30 51 12.71         19.18oVEB161T08
     K16CO6M  C2024 01 30.28131702 41 00.953+30 51 41.69         19.17oVEB161T08
     K16CO6M  C2024 01 30.28799002 41 09.264+30 51 56.70         18.97oVEB161T08
     K16CO6M KC2024 01 31.08412102 57 34.956+31 19 29.96         19.57GVEB161I52
     K16CO6M KC2024 01 31.08463202 57 35.561+31 19 30.90         19.30GVEB161I52
     K16CO6M KC2024 01 31.08514102 57 36.158+31 19 31.98         19.59GVEB161I52
     K16CO6M KC2024 01 31.08566402 57 36.774+31 19 32.48         19.31GVEB161I52

Observer details:
I52 Steward Observatory, Mt. Lemmon Station.  Observer R. A. Kowalski.
    Measurers E. C. Beshore, D. Fay, J. B. Fazekas, D. C. Fuls, A. R. Gibbs,
    A. D. Grauer, H. Groeller, J. K. Hogan, R. A. Kowalski, S. M. Larson, G.
    J. Leonard, D. Rankin, R. L. Seaman, F. C. Shelly, K. W. Wierzchos.  1.0-m
    prime focus + CCD.
T08 ATLAS-MLO, Mauna Loa.  Observers L. Denneau, R. Siverd, J. Tonry, H.
    Weiland.  Measurers L. Denneau, N. Erasmus, A. Fitzsimmons, A. Lawrence,
    J. Robinson, R. Siverd, J. Tonry, H. Weiland.  0.5-m Reflector + CCD.

First and last observations above in comparison with prediction:
Residuals in seconds of arc (or zero decimals in degrees), reference and Delta-T
240130 T08   22+   13+    240131 I52   23+   12+    MPO373622   +6.96 days

Orbital elements:
2016 CM246                                               Earth MOID = 0.0521 AU
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5                Veres                   
M 326.69209              (2000.0)            P               Q                  
n   0.36396550     Peri.   44.62404     +0.98263221     -0.17508772             
a   1.9428051      Node   325.32183     +0.12517677     +0.86996524             
e   0.7753817      Incl.    6.20196     +0.13698439     +0.46098240             
P   2.71           H   20.58          G   0.15           U   3                  
Residuals in seconds of arc
160209 F51  0.0   0.1+    160212 568  0.0   0.1-    160226 705  0.4-  0.0
160209 F51  0.2-  0.1+    160214 291  0.2+  0.1-    160226 705  0.3-  0.3-
160209 F51  0.0   0.2+    160214 291  0.2-  0.6+    240130 T08  0.1-  0.1+
160211 F51  0.1+  0.1-    160214 291  0.7-  0.7-    240130 T08  0.8+  0.0
160211 F51  0.1-  0.0     160216 G96  0.2+  0.3+    240130 T08  0.1-  0.8+
160211 F51  0.1+  0.1+    160216 G96  1.5+  0.7+    240130 T08  0.6-  0.0
160211 F51  0.1-  0.1-    160216 G96  0.1+  0.0     240131 I52  0.1+  0.3-
160212 291  0.0   0.1-    160216 G96  0.1-  0.2-    240131 I52  0.1+  0.2-
160212 291  0.4-  0.3-    160216 291  0.4+  0.9+    240131 I52  0.0   0.0
160212 291  0.8+  0.6-    160216 291  0.6+  0.1+    240131 I52  0.1-  0.4-
160212 568  0.0   0.1-    160216 291  0.4-  0.1+
160212 568  0.0   0.1-    160226 705  0.3-  0.0

Ephemeris:
2016 CM246               a,e,i = 1.94, 0.78, 6                   q = 0.4364
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2024 01 01    20 30 55.3 -11 44 09   0.4927  0.5966    28.2   128.8    23.5
...
2024 01 16    22 08 33.3 +03 22 46   0.2441  0.8197    42.3   126.1    22.4
...
2024 01 24    00 18 02.5 +20 57 02   0.1816  0.9394    70.5    99.0    20.3
...
2024 01 30    02 35 02.2 +30 39 26   0.1981  1.0269    96.6    72.3    19.7
2024 01 31    02 55 52.7 +31 17 00   0.2060  1.0412   100.1    68.7    19.6
2024 02 01    03 15 20.7 +31 40 29   0.2150  1.0555   103.3    65.3    19.7
...
2024 02 07    04 42 31.0 +31 11 16   0.2863  1.1396   115.6    51.3    20.0
...
2024 02 15    05 44 56.2 +28 39 57   0.4074  1.2477   121.1    42.7    20.8
...
2024 03 01    06 41 20.9 +25 09 20   0.6692  1.4380   118.8    37.2    22.0

A. U. Tomatic                (C) Copyright 2024 MPC           M.P.E.C. 2024-B161




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