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  • MPEC 2021-V273 : 2021 VC9

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    M.P.E.C. 2021-V273                            Issued 2021 November 12, 11:24 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 VC9                                 
    
    
    Observations:
         K21V09C* C2021 11 11.42883103 43 09.479-13 59 24.11         21.40wUEV273F51
         K21V09C  C2021 11 11.44173403 43 10.242-13 57 03.21         21.26wUEV273F51
         K21V09C  C2021 11 11.45464903 43 10.993-13 54 41.54         21.21wUEV273F51
         K21V09C  C2021 11 11.56888403 43 18.832-13 33 17.30         21.16GVEV273F51
         K21V09C  C2021 11 11.56952503 43 18.888-13 33 09.84         20.64GVEV273F51
         K21V09C |C2021 11 12.12623 03 45 09.47 -11 38 44.9          20.1 VuEV273807
         K21V09C |C2021 11 12.13035 03 45 09.88 -11 37 53.4          20.8 VuEV273807
         K21V09C |C2021 11 12.13436 03 45 10.20 -11 37 03.0          20.6 VuEV273807
         K21V09C KC2021 11 12.26417103 45 25.73 -11 13 53.7          20.3 VuEV273H21
         K21V09C KC2021 11 12.26817903 45 26.09 -11 13 01.7          20.6 VuEV273H21
         K21V09C  C2021 11 12.27928303 45 31.89 -11 10 18.5          20.4 GVEV273H01
         K21V09C  C2021 11 12.28275203 45 32.20 -11 09 33.2          20.4 GVEV273H01
         K21V09C  C2021 11 12.29341003 45 33.14 -11 07 13.6          20.5 GVEV273H01
         K21V09C KC2021 11 12.29834603 45 34.53 -11 06 03.3          20.89GVEV273I52
         K21V09C KC2021 11 12.29960903 45 34.66 -11 05 46.6          21.34GVEV273I52
         K21V09C  C2021 11 12.30012803 45 33.75 -11 05 45.0          20.6 GVEV273H01
         K21V09C KC2021 11 12.30087203 45 34.71 -11 05 30.0          19.51GVEV273I52
         K21V09C KC2021 11 12.30213503 45 34.87 -11 05 13.7          21.05GVEV273I52
    
    Observer details:
    807 Cerro Tololo Observatory, La Serena.  Observers T. Linder, R. Holmes, L.
        Horn.  0.61-m f/6.5 astrograph + CCD.
    F51 Pan-STARRS 1, Haleakala.  Observers J. Bulger, T. Lowe, A. Schultz, I.
        Smith, K. Chambers.  Measurers K. Chambers, S. Chastel, T. de Boer, J.
        Fairlamb, H. Gao, M. Huber, C.-C. Lin, E. Magnier, Y. Ramanjooloo, R.
        Wainscoat, R. Weryk.  1.8-m Ritchey-Chretien + CCD.
    H01 Magdalena Ridge Observatory, Socorro.  Observers W. H. Ryan, E. V. Ryan.
        Measurer W. H. Ryan.  2.4-m f/8.9 Ritchey-Chretien + CCD.
    H21 Astronomical Research Observatory, Westfield.  Observer R. Holmes.
        Measurers T. Linder, R. Holmes, L. Horn.  0.76-m f/3.0 astrograph + CCD.
    I52 Steward Observatory, Mt. Lemmon Station.  Observer K. W. Wierzchos.
        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, D.
        Rankin, R. L. Seaman, F. C. Shelly, K. W. Wierzchos.
    
    Orbital elements:
    2021 VC9                                                 Earth MOID = 0.0177 AU
    Epoch 2022 Jan. 21.0 TT = JDT 2459600.5                 Veres                   
    M  22.98573              (2000.0)            P               Q                  
    n   0.66645882     Peri.   34.11778     +0.02685448     -0.98783026             
    a   1.2980373      Node    54.80911     +0.87023881     -0.05231101             
    e   0.2499808      Incl.   10.80465     +0.49189760     +0.14647507             
    P   1.48           H   26.85          G   0.15           U   7                  
    Residuals in seconds of arc
    211111 F51  0.1-  0.0     211112 807  0.4+  0.0     211112 H01  0.1-  0.1-
    211111 F51  0.0   0.1+    211112 807  0.3-  0.2-    211112 I52  0.1+  0.0
    211111 F51  0.0   0.1+    211112 H21  0.1+  0.2+    211112 I52  0.3+  0.1+
    211111 F51  0.1+  0.2-    211112 H21  0.1-  0.2-    211112 H01  0.2+  0.2+
    211111 F51  0.1+  0.1-    211112 H01  0.0   0.0     211112 I52  0.6-  0.1+
    211112 807  0.0   0.3+    211112 H01  0.1-  0.1-    211112 I52  0.1+  0.2-
    
    Ephemeris:
    2021 VC9                 a,e,i = 1.30, 0.25, 11                  q = 0.9736
    Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
    2021 10 13    03 13 16.6 -30 33 54   0.1632  1.1137   132.0    41.7    24.8
    ...
    2021 10 28    03 24 57.7 -29 38 21   0.09658 1.0625   133.6    42.7    23.6
    ...
    2021 11 05    03 32 16.0 -25 13 05   0.06268 1.0385   137.3    40.4    22.5
    ...
    2021 11 11    03 42 03.6 -15 12 03   0.03867 1.0225   146.2    32.6    21.2
    2021 11 12    03 44 40.0 -12 06 42   0.03494 1.0200   149.0    30.0    20.9
    2021 11 13    03 47 47.0 -08 16 26   0.03135 1.0176   152.4    26.8    20.6
    ...
    2021 11 19    04 37 43.0 +44 33 57   0.01788 1.0041   151.8    27.7    19.4
    ...
    2021 11 27    13 56 27.7 +68 58 14   0.03769 0.9897    93.2    84.6    22.7
    ...
    2021 12 12    14 58 14.4 +52 28 51   0.09496 0.9747    81.3    93.2    25.0
    
    M. P. C. Staff               (C) Copyright 2021 MPC           M.P.E.C. 2021-V273
    


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