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  • MPEC 2021-C286 : 2021 CO7

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    M.P.E.C. 2021-C286                            Issued 2021 February 14, 00:50 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@CFA.HARVARD.EDU
                URL https://www.minorplanetcenter.net/    ISSN 1523-6714
    
                                    2021 CO7                                 
    
    
    Observations:
         K21C07O  C2021 02 12.23541 07 54 54.98 +58 55 23.8          21.5 GVEC286G96
         K21C07O* C2021 02 12.23637907 54 55.55 +58 55 18.0          21.33GVEC286G96
         K21C07O  C2021 02 12.24066 07 54 57.78 +58 54 53.6          20.8 GVEC286G96
         K21C07O  C2021 02 12.24163207 54 58.24 +58 54 48.1          21.02GVEC286G96
         K21C07O  C2021 02 12.24590 07 55 00.51 +58 54 23.9          21.0 GVEC286G96
         K21C07O  C2021 02 12.24688807 55 01.03 +58 54 18.2          20.57GVEC286G96
         K21C07O  C2021 02 12.25215107 55 03.75 +58 53 48.6          21.04GVEC286G96
         K21C07O KC2021 02 12.32822307 55 43.44 +58 46 31.2          20.85GVEC286I52
         K21C07O KC2021 02 12.33327407 55 46.04 +58 46 02.2          20.96GVEC286I52
         K21C07O KC2021 02 12.33579407 55 47.34 +58 45 48.4          20.35GVEC286I52
         K21C07O KC2021 02 13.37250808 04 37.46 +57 08 18.7          22.79GVEC286I52
         K21C07O KC2021 02 13.37419108 04 38.40 +57 08 09.3          21.54GVEC286I52
         K21C07O KC2021 02 13.37587208 04 39.10 +57 07 59.2          21.27GVEC286I52
         K21C07O KC2021 02 13.37755408 04 39.89 +57 07 49.3          21.23GVEC286I52
         K21C07O 1C2021 02 13.78684 08 07 56.74 +56 29 42.1          21.4 VVEC286033
         K21C07O 1C2021 02 13.78927 08 07 57.81 +56 29 28.5          21.3 VVEC286033
         K21C07O 1C2021 02 13.79170 08 07 58.88 +56 29 15.4          21.1 VVEC286033
         K21C07O 1C2021 02 13.79425 08 08 00.00 +56 29 01.3          21.2 VVEC286033
         K21C07O bC2021 02 13.93611208 09 01.10 +56 16 05.6          21.0 GVEC286L01
         K21C07O bC2021 02 13.93892508 09 02.35 +56 15 50.1          21.4 GVEC286L01
         K21C07O bC2021 02 13.94086408 09 03.15 +56 15 39.5          21.0 GVEC286L01
         K21C07O bC2021 02 13.94563608 09 05.23 +56 15 12.3          20.9 GVEC286L01
    
    Observer details:
    033 Karl Schwarzschild Observatory, Tautenburg.  Observers S. Melnikov, C.
        Hoegner, B. Stecklum.  Measurer B. Stecklum.  1.34-m f/3 Schmidt + CCD.
    G96 Mt. Lemmon Survey.  Observer D. Rankin.  Measurers B. Gray, D. Rankin, F.
        C. Shelly, 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, T. A.
        Pruyne, R. L. Seaman, K. W. Wierzchos.  1.5-m reflector + 10K CCD.
    I52 Steward Observatory, Mt. Lemmon Station.  Observers T. A. Pruyne, G. J.
        Leonard.  Measurers 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, T. A. Pruyne, D. Rankin, R. L. Seaman, F. C. Shelly, K. W.
        Wierzchos.  1.0-m reflector + CCD.
    L01 Visnjan Observatory, Tican.  Observers K. Korlevic, D. Pujagic, V. Dobos.
        Measurers K. Korlevic, D. Pujagic.  1.0-m f/2.9 reflector + CCD.
    
    Orbital elements:
    2021 CO7                                                 Earth MOID = 0.0619 AU
    Epoch 2020 Dec. 17.0 TT = JDT 2459200.5                 Veres
    M 357.04047              (2000.0)            P               Q
    n   0.28596756     Peri.   64.72856     +0.13913362     -0.98958327
    a   2.2816982      Node    17.39378     +0.85825993     +0.10187799
    e   0.5889086      Incl.    7.10407     +0.49399568     +0.10171445
    P   3.45           H   22.9           G   0.15           U   8
    Residuals in seconds of arc
    210212 G96  0.3-  0.1+    210212 I52  0.1+  0.0     210213 033  0.1+  0.1-
    210212 G96  0.2+  0.1-    210212 I52  0.0   0.8+    210213 033  0.0   0.3-
    210212 G96  0.1+  0.2-    210213 I52  0.8-  0.1+    210213 L01  0.4-  0.0
    210212 G96  0.3-  0.2-    210213 I52  0.6+  0.4+    210213 L01  0.1+  0.2+
    210212 G96  0.0   0.1-    210213 I52  0.0   0.1-    210213 L01  0.1-  0.4+
    210212 G96  0.1+  0.2-    210213 I52  0.1+  0.4-    210213 L01  0.3+  0.3-
    210212 G96  0.1-  0.2+    210213 033  0.1+  0.2+
    210212 I52  0.3+  0.2-    210213 033  0.1+  0.2-
    
    Ephemeris:
    2021 CO7                 a,e,i = 2.28, 0.59, 7                   q = 0.9380
    Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
    2021 01 15    23 22 11.4 +42 46 16   0.1791  0.9715    80.9    88.6    22.2
    ...
    2021 01 30    02 47 39.1 +70 37 12   0.1579  1.0410   106.5    65.1    21.3
    ...
    2021 02 07    06 43 42.6 +67 03 16   0.1748  1.0896   122.3    49.9    21.2
    ...
    2021 02 13    08 01 37.6 +57 43 02   0.2002  1.1300   131.5    40.8    21.3
    2021 02 14    08 09 30.1 +56 10 10   0.2053  1.1371   132.8    39.6    21.3
    2021 02 15    08 16 29.4 +54 39 16   0.2108  1.1441   134.0    38.4    21.3
    ...
    2021 02 21    08 46 00.9 +46 27 04   0.2479  1.1880   139.3    32.9    21.6
    ...
    2021 03 01    09 08 26.7 +37 55 36   0.3084  1.2494   142.4    28.9    22.1
    ...
    2021 03 16    09 33 15.8 +27 17 21   0.4503  1.3702   139.9    27.9    23.1
    
    M. P. C. Staff               (C) Copyright 2021 MPC           M.P.E.C. 2021-C286
    


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