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  • MPEC 2020-T129 : 2020 TH4

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    M.P.E.C. 2020-T129                             Issued 2020 October 14, 11:43 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 TH4                                 
    
    
    Observations:
         K20T04H* C2020 10 11.19972623 36 05.17 +35 36 19.7          20.75GVET129G96
         K20T04H  C2020 10 11.21015223 36 23.59 +35 34 19.2          20.97GVET129G96
         K20T04H  C2020 10 11.21537223 36 32.83 +35 33 19.0          20.46GVET129G96
         K20T04H KC2020 10 11.34588823 40 24.72 +35 06 50.7          20.06GVET129I52
         K20T04H KC2020 10 11.34736723 40 27.34 +35 06 32.2          20.75GVET129I52
         K20T04H  C2020 10 12.20775 00 06 40.76 +32 02 11.0          20.4 GVET129G96
         K20T04H  C2020 10 12.21300 00 06 49.35 +32 01 00.6          21.3 GVET129G96
         K20T04H  C2020 10 13.24936300 35 20.58 +27 56 47.0          20.58GVET129G96
         K20T04H  C2020 10 13.25634500 35 30.75 +27 55 05.8          20.73GVET129G96
         K20T04H  C2020 10 13.26157400 35 38.52 +27 53 48.3          20.67GVET129G96
         K20T04H  C2020 10 13.26678300 35 46.10 +27 52 33.0                VET129G96
         K20T04H hC2020 10 13.81186400 49 34.57 +25 38 16.7          20.8 GVET129L01
         K20T04H hC2020 10 13.81358800 49 36.99 +25 37 52.5          20.8 GVET129L01
         K20T04H KC2020 10 13.81518200 49 39.18 +25 37 28.9          20.8 GVET129L01
         K20T04H KC2020 10 14.22636800 59 17.14 +23 58 01.6          20.71GVET129I52
         K20T04H KC2020 10 14.22784800 59 19.06 +23 57 39.9          20.19GVET129I52
         K20T04H KC2020 10 14.22932900 59 20.94 +23 57 18.5          20.46GVET129I52
    
    Observer details:
    G96 Mt. Lemmon Survey.  Observers T. A. Pruyne, G. J. Leonard.  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, B. Gray.  1.5-m
        reflector + 10K CCD.
    I52 Steward Observatory, Mt. Lemmon Station.  Observers D. Rankin, 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.
    
    Orbital elements:
    2020 TH4                                                 Earth MOID = 0.0338 AU
    Epoch 2020 Dec. 17.0 TT = JDT 2459200.5                 Veres
    M  40.91389              (2000.0)            P               Q
    n   0.49333130     Peri.  155.21912     +0.99769653     +0.00962340
    a   1.5862694      Node   204.51403     -0.02664340     +0.96592850
    e   0.3611923      Incl.    9.31361     +0.06238404     +0.25863009
    P   2.00           H   27.0           G   0.15           U   7
    Residuals in seconds of arc
    201011 G96  1.3+  0.9-    201012 G96  0.3-  0.3+    201013 L01  0.3+  0.5+
    201011 G96  0.4-  0.1+    201013 G96  0.6-  0.7+    201013 L01  0.1-  0.2-
    201011 G96  0.9-  1.0+    201013 G96  0.9-  0.6+    201014 I52  0.1-  0.2+
    201011 I52  0.1+  0.3-    201013 G96  1.0+  1.1-    201014 I52  0.1+  0.1-
    201011 I52  0.1-  0.2-    201013 G96  0.9+  0.7-    201014 I52  0.3-  0.1-
    201012 G96  0.1+  0.4+    201013 L01  0.1+  0.1-
    
    Ephemeris:
    2020 TH4                 a,e,i = 1.59, 0.36, 9                   q = 1.0133
    Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
    2020 09 14    17 51 53.4 +33 11 23   0.1194  1.0193    93.1    80.2    25.2
    ...
    2020 09 29    19 01 21.5 +39 51 13   0.06468 1.0139    99.1    77.3    23.8
    ...
    2020 10 07    21 22 39.9 +43 15 53   0.04021 1.0206   120.7    57.4    22.1
    ...
    2020 10 13    00 28 42.6 +28 57 23   0.03479 1.0297   156.3    22.9    20.9
    2020 10 14    00 53 54.5 +24 54 11   0.03574 1.0316   162.3    17.1    20.7
    2020 10 15    01 15 59.4 +20 52 19   0.03719 1.0335   167.6    12.0    20.6
    ...
    2020 10 21    02 37 50.5 +02 41 08   0.05359 1.0472   164.3    15.0    21.6
    ...
    2020 10 29    03 20 40.9 -07 38 01   0.08528 1.0701   153.2    24.8    22.9
    ...
    2020 11 13    03 44 53.7 -12 34 19   0.1556  1.1253   148.5    27.3    24.4
    
    M. P. C. Staff               (C) Copyright 2020 MPC           M.P.E.C. 2020-T129
    


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