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  • MPEC 2021-T197 : 2021 TN8

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    Read MPEC 2021-T196 Read MPEC 2021-T198


    M.P.E.C. 2021-T197                             Issued 2021 October 10, 05:15 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 TN8                                 
    
    
    Observations:
         K21T08N* C2021 10 09.34497701 54 30.18 +03 37 20.8          20.54GVET197G96
         K21T08N  C2021 10 09.35061801 54 21.98 +03 40 26.1                VET197G96
         K21T08N  C2021 10 09.35625901 54 13.63 +03 43 34.6          20.36GVET197G96
         K21T08N  C2021 10 09.36191501 54 05.32 +03 46 42.7          20.52GVET197G96
         K21T08N KC2021 10 09.42139101 52 37.75 +04 19 40.1          20.29GVET197G96
         K21T08N KC2021 10 09.42234701 52 36.33 +04 20 12.3          20.42GVET197G96
         K21T08N KC2021 10 09.42330401 52 34.93 +04 20 43.8          20.32GVET197G96
         K21T08N bC2021 10 09.89986901 41 36.44 +08 42 32.2          20.6 GVET197L01
         K21T08N bC2021 10 09.90125901 41 34.51 +08 43 17.3          20.3 GVET197L01
         K21T08N bC2021 10 09.90304801 41 31.80 +08 44 16.2          20.6 GVET197L01
         K21T08N bC2021 10 09.90483601 41 29.24 +08 45 13.8          20.4 GVET197L01
         K21T08N bC2021 10 09.90622601 41 27.16 +08 45 59.5          20.3 GVET197L01
         K21T08N KC2021 10 10.05320 01 37 53.45 +10 05 47.2                VET197I93
         K21T08N KC2021 10 10.05715 01 37 47.68 +10 07 54.3          19.5 GVET197I93
         K21T08N KC2021 10 10.06111 01 37 41.85 +10 10 03.3          20.0 GVET197I93
    
    Observer details:
    G96 Mt. Lemmon Survey.  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, T. A. Pruyne, D.
        Rankin, R. L. Seaman, F. C. Shelly, K. W. Wierzchos.  1.5-m reflector +
        10K CCD.
    I93 St Pardon de Conques.  Observer F. Losse.  0.40-m f/3.7 reflector + CCD.
    L01 Visnjan Observatory, Tican.  Observer K. Korlevic.  1.0-m f/2.9 reflector
        + CCD.
    
    Orbital elements:
    2021 TN8                                                 Earth MOID = 0.0402 AU
    Epoch 2021 July 5.0 TT = JDT 2459400.5                  Bell                    
    M 314.25451              (2000.0)            P               Q                  
    n   0.79158652     Peri.  320.50998     +0.90564876     +0.40414995             
    a   1.1573653      Node    17.07175     -0.18324022     +0.64590200             
    e   0.1236990      Incl.   25.91676     -0.38239160     +0.64766768             
    P   1.25           H   26.71          G   0.15           U   9                  
    Residuals in seconds of arc
    211009 G96  1.3-  1.9+    211009 G96  0.1-  0.4-    211009 L01  0.5+  0.1-
    211009 G96  0.6+  0.5-    211009 G96  0.2-  0.7-    211009 L01  0.1-  0.1+
    211009 G96  0.1+  0.1+    211009 L01  0.5-  1.1+    211010 I93  0.5-  0.4-
    211009 G96  0.7+  0.1-    211009 L01  1.0+  0.6+    211010 I93  0.1+  1.1-
    211009 G96  0.1+  0.8-    211009 L01  0.3-  0.9+    211010 I93  0.0   0.2-
    
    Ephemeris:
    2021 TN8                 a,e,i = 1.16, 0.12, 26                  q = 1.0142
    Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
    2021 09 10    06 13 23.3 -55 33 18   0.2267  1.0157    85.7    81.4    26.4
    ...
    2021 09 25    05 19 06.5 -50 38 19   0.1201  1.0245    97.0    76.4    24.8
    ...
    2021 10 03    03 59 20.1 -37 46 42   0.06519 1.0321   117.1    59.6    23.0
    ...
    2021 10 09    02 02 33.1 +00 27 14   0.04182 1.0390   162.8    16.5    20.8
    2021 10 10    01 39 11.8 +09 38 34   0.04217 1.0403   170.1     9.5    20.5
    2021 10 11    01 15 48.0 +18 16 24   0.04401 1.0415   168.3    11.2    20.7
    ...
    2021 10 17    23 17 58.5 +46 24 31   0.07481 1.0497   133.7    43.4    22.9
    ...
    2021 10 25    21 59 27.1 +54 13 27   0.1326  1.0619   117.3    56.3    24.5
    ...
    2021 11 09    21 18 25.1 +56 37 22   0.2452  1.0878   107.0    60.6    26.0
    
    M. P. C. Staff               (C) Copyright 2021 MPC           M.P.E.C. 2021-T197
    


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