• MPC Preparation (Info)

  • MPEC 2021-C300 : 2021 CY7

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    M.P.E.C. 2021-C300                            Issued 2021 February 14, 07:08 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 CY7                                 
    
    
    Observations:
         K21C07Y  C2021 02 09.28365 09 38 42.29 -12 07 03.8          21.7 GVEC300G96
         K21C07Y  C2021 02 09.28874 09 38 41.04 -12 06 49.1          21.7 GVEC300G96
         K21C07Y* C2021 02 12.41371509 27 29.160-09 51 17.22         21.93wUEC300F51
         K21C07Y  C2021 02 12.42668809 27 26.481-09 50 45.78         21.45wUEC300F51
         K21C07Y  C2021 02 12.43967109 27 23.846-09 50 14.54         22.19wUEC300F51
         K21C07Y |C2021 02 13.15862 09 25 10.63 -09 21 16.7          21.9 GVEC300807
         K21C07Y |C2021 02 13.16252 09 25 09.89 -09 21 07.5          22.1 GVEC300807
         K21C07Y |C2021 02 13.16641 09 25 09.14 -09 20 58.5          22.0 GVEC300807
         K21C07Y KC2021 02 13.52076309 24 05.55 -09 07 08.8          21.8 GVEC300474
         K21C07Y KC2021 02 13.52547509 24 04.65 -09 06 58.0          21.4 GVEC300474
         K21C07Y KC2021 02 13.53254409 24 03.38 -09 06 42.1          21.7 GVEC300474
    
    Observer details:
    474 Mount John Observatory, Lake Tekapo.  Observers A. C. Gilmore, P. M.
        Kilmartin.  Measurer P. M. Kilmartin.  1.0-m f/7.7 reflector + CCD.
    807 Cerro Tololo Observatory, La Serena.  Observers T. Linder, R. Holmes.
        1.00-m f/10.0 astrograph + CCD.
    F51 Pan-STARRS 1, Haleakala.  Observers J. Bulger, T. Lowe, A. Schultz, M.
        Willman.  Measurers K. Chambers, S. Chastel, T. de Boer, 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.
    G96 Mt. Lemmon Survey.  Observer G. J. Leonard.  Measurers B. Gray, D. Rankin,
        F. C. Shelly.  1.5-m reflector + 10K CCD.
    
    Orbital elements:
    2021 CY7                                                 Earth MOID = 0.0281 AU
    Epoch 2020 Dec. 17.0 TT = JDT 2459200.5                 Bell                    
    M   9.34579              (2000.0)            P               Q                  
    n   0.53699939     Peri.  110.94749     +0.85530338     -0.50318012             
    a   1.4990641      Node   279.44744     +0.41656893     +0.80961832             
    e   0.6157716      Incl.    7.19543     +0.30810136     +0.30220514             
    P   1.84           H   23.38          G   0.15           U   8                  
    Residuals in seconds of arc
    210209 G96  0.3-  0.3-    210212 F51  0.1-  0.1+    210213 807  0.0+  0.1-
    210209 G96  0.3+  0.3+    210212 F51  0.0+  0.1-    210213 474  0.0-  0.3+
    210212 F51 (0.4+  0.0+)   210213 807  0.1-  0.1-    210213 474  0.4-  0.2+
    210212 F51  0.4+  0.0+    210213 807  0.1+  0.0-    210213 474  0.2+  0.2-
    
    Ephemeris:
    2021 CY7                 a,e,i = 1.50, 0.62, 7                   q = 0.5760
    Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
    2021 01 15    14 29 30.8 -36 01 56   0.1310  0.9455    69.4   103.2    22.6
    ...
    2021 01 30    10 41 05.6 -22 09 30   0.1734  1.1080   131.7    41.6    21.4
    ...
    2021 02 07    09 48 40.6 -13 58 29   0.2306  1.1914   149.9    24.5    21.7
    ...
    2021 02 13    09 25 39.3 -09 27 42   0.2832  1.2522   156.5    18.3    22.1
    2021 02 14    09 22 42.7 -08 49 16   0.2926  1.2621   157.0    17.8    22.1
    2021 02 15    09 19 58.7 -08 12 30   0.3022  1.2720   157.4    17.4    22.2
    ...
    2021 02 21    09 07 17.0 -05 02 39   0.3636  1.3304   156.6    17.2    22.7
    ...
    2021 03 01    08 57 43.2 -01 54 00   0.4543  1.4055   151.0    20.0    23.4
    ...
    2021 03 16    08 53 38.3 +01 50 38   0.6483  1.5375   137.7    25.8    24.6
    
    M. P. C. Staff               (C) Copyright 2021 MPC           M.P.E.C. 2021-C300
    


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