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  • MPEC 2020-T133 : 2020 TM4

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    M.P.E.C. 2020-T133                             Issued 2020 October 14, 13:21 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
    
                                    2020 TM4                                 
    
    
    Observations:
         K20T04M* C2020 10 12.30161803 03 40.49 +29 40 27.1          21.88GVET133G96
         K20T04M  C2020 10 12.31184003 03 41.48 +29 40 49.4          21.19GVET133G96
         K20T04M  C2020 10 12.31695403 03 41.94 +29 41 00.9          21.41GVET133G96
         K20T04M KC2020 10 12.42851603 03 52.44 +29 45 02.9          21.26GVET133V06
         K20T04M KC2020 10 12.43089203 03 52.66 +29 45 07.8          21.04GVET133V06
         K20T04M KC2020 10 12.43326703 03 52.90 +29 45 13.1          21.59GVET133V06
         K20T04M  C2020 10 13.28524 03 05 22.96 +30 16 20.6                oET133711
         K20T04M  C2020 10 13.28937 03 05 23.37 +30 16 29.9                oET133711
         K20T04M KC2020 10 13.29391203 05 23.37 +30 16 37.3          21.3 VuET133H21
         K20T04M  C2020 10 13.29410 03 05 23.85 +30 16 40.7                oET133711
         K20T04M KC2020 10 13.30484203 05 24.43 +30 17 01.7          21.3 VuET133H21
         K20T04M KC2020 10 13.31486203 05 25.39 +30 17 23.7          21.3 VuET133H21
         K20T04M KC2020 10 13.35839003 05 30.15 +30 19 02.7          20.98GVET133I52
         K20T04M KC2020 10 13.37256803 05 31.50 +30 19 34.7          21.02GVET133I52
         K20T04M KC2020 10 13.37676703 05 31.93 +30 19 43.4          20.70GVET133I52
         K20T04M pC2020 10 13.83960403 06 22.18 +30 36 43.5          21.2 GVET133L01
         K20T04M hC2020 10 13.84154803 06 22.35 +30 36 48.4          21.4 GVET133L01
         K20T04M hC2020 10 13.84349203 06 22.54 +30 36 53.9          21.3 GVET133L01
         K20T04M hC2020 10 13.92424103 06 30.64 +30 39 58.5          21.4 GVET133L01
         K20T04M KC2020 10 13.92737603 06 31.00 +30 40 05.4          21.5 GVET133L01
         K20T04M hC2020 10 13.93050803 06 31.33 +30 40 12.3          21.6 GVET133L01
         K20T04M KC2020 10 14.30052603 07 10.14 +30 54 10.1          21.8 VuET133H21
         K20T04M KC2020 10 14.31127303 07 11.18 +30 54 34.7          21.6 VuET133H21
         K20T04M IC2020 10 14.35696 03 07 16.10 +30 56 22.6                oET133711
         K20T04M KC2020 10 14.36933 03 07 17.31 +30 56 49.8                oET133711
    
    Observer details:
    711 McDonald Observatory, Fort Davis.  Observers J. W. Kuehne, J. G. Ries.
        Measurer J. G. Ries.  2.1-m reflector + CCD + focal reducer.
    G96 Mt. Lemmon Survey.  Observer T. A. Pruyne.  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.
    H21 Astronomical Research Observatory, Westfield.  Observer R. Holmes.
        Measurers S. Foglia, L. Buzzi, T. Linder, R. Holmes.  0.81-m f/4.0
        astrograph + CCD.
    I52 Steward Observatory, Mt. Lemmon Station.  Observer D. C. Fuls.  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.  1.0-m reflector +
        CCD.
    L01 Visnjan Observatory, Tican.  Observers K. Korlevic, I. Lyon.  Measurer K.
        Korlevic.  1.0-m f/2.9 reflector + CCD.
    V06 Catalina Sky Survey-Kuiper.  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.  1.55-m reflector +
        1K CCD.
    
    Orbital elements:
    2020 TM4                                                 Earth MOID = 0.1790 AU
    Epoch 2020 Dec. 17.0 TT = JDT 2459200.5                 Veres
    M   1.42658              (2000.0)            P               Q
    n   0.25155488     Peri.   84.26428     +0.10970539     -0.99396343
    a   2.4853118      Node   359.43322     +0.85734786     +0.09523597
    e   0.5526804      Incl.    6.94890     +0.50291090     +0.05446848
    P   3.92           H   22.0           G   0.15           U   8
    Residuals in seconds of arc
    201012 G96  0.3-  0.1-    201013 711  0.1+  0.1+    201013 L01  0.7-  0.5+
    201012 G96  0.0   0.2-    201013 H21  0.1+  0.3+    201013 L01  0.1-  0.3+
    201012 G96  0.2-  0.1+    201013 H21  0.1+  0.1+    201013 L01  0.1+  0.1+
    201012 V06  0.2+  0.1+    201013 I52  0.1-  0.3-    201014 H21  0.2-  0.3-
    201012 V06  0.1+  0.1-    201013 I52  0.1-  0.3+    201014 H21  0.3-  0.1-
    201012 V06  0.3+  0.1+    201013 I52  0.3+  0.4-    201014 711  0.1+  0.5+
    201013 711  0.5-  0.1-    201013 L01  0.7+  1.0-    201014 711  0.3+  0.2-
    201013 711  0.3-  0.1-    201013 L01  0.3+  0.5-
    201013 H21  0.0   0.1+    201013 L01  0.2+  0.5+
    
    Ephemeris:
    2020 TM4                 a,e,i = 2.49, 0.55, 7                   q = 1.1117
    Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
    2020 09 14    02 21 15.2 +17 03 54   0.6270  1.5032   132.6    29.5    23.2
    ...
    2020 09 29    02 42 41.3 +22 46 46   0.4760  1.4014   140.3    27.2    22.3
    ...
    2020 10 07    02 54 54.2 +26 40 21   0.4080  1.3501   143.7    26.0    21.9
    ...
    2020 10 13    03 04 52.3 +30 05 51   0.3630  1.3134   145.6    25.4    21.6
    2020 10 14    03 06 37.9 +30 42 54   0.3560  1.3075   145.9    25.4    21.5
    2020 10 15    03 08 25.5 +31 20 48   0.3492  1.3016   146.1    25.3    21.5
    ...
    2020 10 21    03 20 05.9 +35 26 10   0.3113  1.2677   146.9    25.4    21.1
    ...
    2020 10 29    03 39 23.2 +41 41 15   0.2693  1.2262   146.2    26.8    20.8
    ...
    2020 11 13    04 39 30.7 +54 52 38   0.2165  1.1629   139.6    33.5    20.4
    
    M. P. C. Staff               (C) Copyright 2020 MPC           M.P.E.C. 2020-T133
    


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