• MPC Preparation (Info)

  • MPEC 2021-C234 : 2021 CB6

    The following Minor Planet Electronic Circular may be linked-to from your own Web pages, but must not otherwise be redistributed electronically.

    A form allowing access to any MPEC is at the bottom of this page.


    Read MPEC 2021-C233 Read MPEC 2021-C235


    M.P.E.C. 2021-C234                            Issued 2021 February 12, 10:04 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 CB6                                 
    
    
    Observations:
         K21C06B* C2021 02 10.42736109 41 13.599-18 44 20.47         21.36wUEC234F51
         K21C06B  C2021 02 10.45109509 41 14.564-18 43 19.33         21.48wUEC234F51
         K21C06B  C2021 02 10.46300509 41 15.055-18 42 48.34         21.77wUEC234F51
         K21C06B  C2021 02 11.32908809 42 04.33 -18 05 29.1          21.95GVEC234G96
         K21C06B  C2021 02 11.33427709 42 04.57 -18 05 16.0          22.29GVEC234G96
         K21C06B  C2021 02 11.33946309 42 04.68 -18 05 02.1          21.43GVEC234G96
         K21C06B  C2021 02 11.34464109 42 04.93 -18 04 48.5          22.04GVEC234G96
         K21C06B ^C2021 02 11.42924109 42 10.276-18 01 02.50         21.17GVEC234568
         K21C06B ^C2021 02 11.43022209 42 10.307-18 00 59.95         20.98GVEC234568
         K21C06B ^C2021 02 11.43120009 42 10.345-18 00 57.43         21.34GVEC234568
         K21C06B ^C2021 02 11.43219809 42 10.383-18 00 54.84         21.18GVEC234568
         K21C06B KC2021 02 11.50662109 42 14.73 -17 57 00.2          21.4 GVEC234474
         K21C06B KC2021 02 11.51013809 42 14.89 -17 56 50.4          21.1 GVEC234474
         K21C06B KC2021 02 11.51365509 42 15.03 -17 56 41.8          21.2 GVEC234474
         K21C06B KC2021 02 11.51717209 42 15.21 -17 56 32.6          21.0 GVEC234474
         K21C06B KC2021 02 12.27012 09 42 57.04 -17 24 40.7          21.3 RoEC234691
         K21C06B KC2021 02 12.28280 09 42 57.55 -17 24 07.9          21.4 RoEC234691
         K21C06B KC2021 02 12.29546 09 42 58.11 -17 23 35.0          21.2 RoEC234691
    
    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.
    568 Mauna Kea.  Observers R. Wainscoat, C. Wipper, H. Flewelling.  Measurers
        R. Weryk, R. Wainscoat.  3.6-m Canada-France-Hawaii Telescope + CCD.
    691 Steward Observatory, Kitt Peak-Spacewatch.  Observer T. H. Bressi.  0.9-m
        f/3 reflector + 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 D. Rankin.  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.  1.5-m reflector + 10K CCD.
    
    Orbital elements:
    2021 CB6                                                 Earth MOID = 0.1649 AU
    Epoch 2020 Dec. 17.0 TT = JDT 2459200.5                 Bell                    
    M 356.50847              (2000.0)            P               Q                  
    n   0.41260111     Peri.  268.97636     -0.12387555     -0.99211125             
    a   1.7869639      Node   188.21459     +0.95554825     -0.11403803             
    e   0.3996049      Incl.    7.73812     +0.26754885     -0.05206332             
    P   2.39           H   23.41          G   0.15           U   8                  
    Residuals in seconds of arc
    210210 F51  0.0+  0.0+    210211 G96  0.2-  0.1-    210211 568  0.0-  0.0-
    210210 F51  0.0+  0.0+    210211 568  0.1+  0.0+    210211 474  0.1-  0.4-
    210210 F51  0.1-  0.1-    210211 568  0.1+  0.0+    210211 474  0.0+  0.3+
    210210 F51  0.0-  0.0+    210211 568  0.0-  0.0+    210211 474  0.2-  0.2-
    210210 F51  0.0-  0.0+    210211 568  0.0-  0.0+    210211 474  0.3+  0.1-
    210211 G96  0.5+  0.2-    210211 568  0.0-  0.0-    210212 691  0.4-  0.0-
    210211 G96 (0.8+  0.6-)   210211 568  0.0-  0.0-    210212 691  0.4-  0.0+
    210211 G96  0.7-  0.2-    210211 568  0.0-  0.0-    210212 691  0.3+  0.1+
    
    Ephemeris:
    2021 CB6                 a,e,i = 1.79, 0.40, 8                   q = 1.0729
    Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
    2021 01 13    08 53 16.2 -34 28 48   0.1839  1.0903   121.2    50.5    21.8
    ...
    2021 01 28    09 24 30.4 -27 39 56   0.1968  1.1280   132.9    39.8    21.7
    ...
    2021 02 05    09 35 28.7 -22 33 01   0.2083  1.1554   141.1    32.4    21.7
    ...
    2021 02 11    09 41 45.9 -18 19 14   0.2203  1.1788   147.6    26.7    21.7
    2021 02 12    09 42 41.6 -17 35 56   0.2227  1.1830   148.6    25.8    21.7
    2021 02 13    09 43 35.6 -16 52 32   0.2252  1.1871   149.7    24.8    21.7
    ...
    2021 02 19    09 48 33.4 -12 33 23   0.2424  1.2133   155.5    19.7    21.7
    ...
    2021 02 27    09 54 33.4 -07 08 11   0.2725  1.2508   160.8    15.1    21.9
    ...
    2021 03 14    10 06 05.5 +00 55 19   0.3528  1.3272   157.6    16.6    22.7
    
    M. P. C. Staff               (C) Copyright 2021 MPC           M.P.E.C. 2021-C234
    


    Read MPEC 2021-C233 Read MPEC 2021-C235


    MPEC number:

    Enter an MPEC number in one of the following forms:

    • 1997-B01 (the full form)
    • J97B01 (the packed version of the full form)
    • B01 (the abbreviated form)