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  • MPEC 2021-C299 : 2021 CW7

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    Read MPEC 2021-C298 Read MPEC 2021-C300


    M.P.E.C. 2021-C299                            Issued 2021 February 14, 05:04 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 CW7                                 
    
    
    Observations:
         K21C07W  C2021 02 12.35470909 17 15.384+21 59 18.34         21.45GVEC299F51
         K21C07W  C2021 02 12.36694909 17 11.954+21 59 49.16         21.31GVEC299F51
         K21C07W* C2021 02 13.95361 09 19 17.34 +24 11 58.0          18.4 RoEC299K88
         K21C07W  C2021 02 13.95431 09 19 16.95 +24 12 09.8          18.3 RoEC299K88
         K21C07W  C2021 02 13.95507 09 19 16.63 +24 12 20.6          18.5 RoEC299K88
         K21C07W IC2021 02 13.98021409 19 16.75 +24 21 20.1          19.4 GVEC299L01
         K21C07W bC2021 02 13.98125209 19 16.23 +24 21 37.3          19.2 GVEC299L01
         K21C07W bC2021 02 13.98228509 19 15.68 +24 21 54.5          19.2 GVEC299L01
         K21C07W bC2021 02 13.98330809 19 15.16 +24 22 11.9          19.8 GVEC299L01
         K21C07W KC2021 02 13.98454209 19 15.31 +24 22 06.6          19.0 GVEC299595
         K21C07W bC2021 02 13.98472409 19 14.35 +24 22 37.0          19.7 GVEC299L01
         K21C07W  C2021 02 13.98502 09 19 01.82 +24 20 25.1          18.5 RoEC299K88
         K21C07W  C2021 02 13.98555 09 19 01.59 +24 20 34.4          18.7 RoEC299K88
         K21C07W  C2021 02 13.98609 09 19 01.33 +24 20 42.2          18.8 RoEC299K88
         K21C07W  C2021 02 13.98663 09 19 01.07 +24 20 51.5          18.7 RoEC299K88
         K21C07W  C2021 02 13.98716 09 19 00.80 +24 21 00.8          18.8 RoEC299K88
         K21C07W KC2021 02 13.98996209 19 12.46 +24 23 39.5          18.8 GVEC299595
         K21C07W KC2021 02 13.99538409 19 09.55 +24 25 12.5          18.7 GVEC299595
         K21C07W KC2021 02 14.00063409 19 06.74 +24 26 43.6          19.1 GVEC299595
         K21C07W KC2021 02 14.02354409 19 27.03 +24 35 35.8          19.2 GVEC299I93
         K21C07W KC2021 02 14.02492009 19 26.21 +24 36 02.8          19.1 GVEC299I93
         K21C07W KC2021 02 14.02629609 19 25.45 +24 36 29.2          18.8 GVEC299I93
         K21C07W KC2021 02 14.08653509 18 34.58 +24 54 04.9          18.9 GVEC299204
         K21C07W KC2021 02 14.09750709 18 30.13 +24 57 49.7                VEC299204
         K21C07W  C2021 02 14.12797 09 18 11.97 +25 04 18.5          18.4 RoEC299K88
         K21C07W  C2021 02 14.12905 09 18 11.88 +25 04 40.6          18.6 RoEC299K88
         K21C07W |C2021 02 14.14501 09 21 56.84 +26 32 53.3          19.3 VuEC299807
         K21C07W |C2021 02 14.14999 09 21 53.64 +26 36 14.2          19.5 VuEC299807
         K21C07W |C2021 02 14.15248 09 21 52.00 +26 37 55.1          18.7 VuEC299807
    
    Observer details:
    204 Schiaparelli Observatory.  Observer L. Buzzi.  0.84-m f/3.5 reflector +
        CCD.
    595 Farra d'Isonzo.  Observers S. Aschi, E. Pettarin.  Measurer S. Aschi.
        0.40-m f/5.15 reflector + CCD.
    807 Cerro Tololo Observatory, La Serena.  Observers T. Linder, R. Holmes.
        0.61-m f/6.5 astrograph + CCD.
    F51 Pan-STARRS 1, Haleakala.  Observers J. Bulger, K. Chambers, T. Lowe, A.
        Schultz, M. Willman.  Measurers S. Chastel, M. Huber, Y. Ramanjooloo, R.
        Wainscoat, R. Weryk.  1.8-m Ritchey-Chretien + CCD.
    I93 St Pardon de Conques.  Observers F. Losse, W. D'Anna.  Measurer F. Losse.
        0.40-m f/3.7 reflector + CCD.
    K88 GINOP-KHK, Piszkesteto.  Observer K. Sarneczky.  0.60-m Schmidt + CCD.
    L01 Visnjan Observatory, Tican.  Observer K. Korlevic.  1.0-m f/2.9 reflector
        + CCD.
    
    Orbital elements:
    2021 CW7                                                 Earth MOID = 0.0002 AU
    Epoch 2020 Dec. 17.0 TT = JDT 2459200.5                 Bell                    
    M 276.77573              (2000.0)            P               Q                  
    n   0.74711858     Peri.  245.30372     -0.84945295     +0.52754365             
    a   1.2028451      Node   326.53267     -0.47642536     -0.77598570             
    e   0.2872675      Incl.    1.17274     -0.22682277     -0.34575120             
    P   1.32           H   31.01          G   0.15           U   6                  
    Residuals in seconds of arc
    210212 F51  0.1+  0.0+    210213 L01  0.1+  0.6+    210214 I93  0.1-  0.5+
    210212 F51  0.1-  0.0-    210213 K88  0.4-  0.7-    210214 I93  0.1+  0.4+
    210213 K88  0.0+  0.3-    210213 K88  0.1+  0.1-    210214 204  0.2-  0.0-
    210213 K88  0.6-  0.4+    210213 K88  0.2+  1.2-    210214 204  0.0+  0.3+
    210213 K88  0.1+  0.9-    210213 K88  0.3+  0.8-    210214 K88  0.5-  0.1+
    210213 L01  0.5-  0.5+    210213 K88  0.1+  0.2-    210214 K88  0.8-  1.0-
    210213 L01  0.1+  0.0+    210213 595  0.5+  0.2+    210214 807  0.5-  0.4-
    210213 L01  0.2+  0.3-    210213 595  0.3+  0.1-    210214 807  0.1+  0.2+
    210213 L01  0.6+  0.4-    210214 595  0.1+  0.2+    210214 807  0.4+  0.1+
    210213 595  0.0+  0.1-    210214 I93  0.4+  0.1-
    
    Ephemeris:
    2021 CW7                 a,e,i = 1.20, 0.29, 1                   q = 0.8573
    Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
    2021 01 15    09 12 39.5 +20 33 17   0.1533  1.1289   159.9    17.4    28.1
    ...
    2021 01 30    09 15 46.1 +20 49 45   0.07394 1.0585   173.2     6.4    26.0
    ...
    2021 02 07    09 16 09.8 +21 07 47   0.03564 1.0217   174.1     5.7    24.3
    ...
    2021 02 13    09 17 19.0 +22 26 01   0.0078300.9950   168.7    11.2    21.2
    2021 02 14    09 19 49.3 +24 43 32   0.0032090.9906   166.4    13.6    19.3
    2021 02 15    21 30 36.0 -33 27 21   0.0015690.9863    21.4   158.6    27.5
    ...
    2021 02 21    21 41 37.1 -40 43 11   0.02925 0.9640    31.1   148.0    31.3
    ...
    2021 03 01    21 42 57.7 -40 18 33   0.06675 0.9373    35.6   142.0    32.1
    ...
    2021 03 16    21 51 04.5 -37 49 41   0.1407  0.8991    44.2   129.6    32.2
    
    M. P. C. Staff               (C) Copyright 2021 MPC           M.P.E.C. 2021-C299
    


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