• MPC Preparation (Info)

  • MPEC 2020-T77 : 2020 TH2

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    M.P.E.C. 2020-T77                              Issued 2020 October 11, 14:16 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 TH2                                 
    
    
    Observations:
         K20T02H* C2020 10 09.34765402 35 06.15 -10 02 56.6          21.19GVET077G96
         K20T02H  C2020 10 09.35458202 35 06.22 -10 02 33.1          20.81GVET077G96
         K20T02H  C2020 10 09.36145402 35 06.33 -10 02 09.4          21.10GVET077G96
         K20T02H  C2020 10 09.36661902 35 06.44 -10 01 51.9          21.12GVET077G96
         K20T02H KC2020 10 09.44391402 35 07.72 -09 57 29.1          20.55GVET077I52
         K20T02H KC2020 10 09.44559302 35 07.74 -09 57 23.1          21.25GVET077I52
         K20T02H KC2020 10 09.44727302 35 07.76 -09 57 17.6          21.10GVET077I52
         K20T02H KC2020 10 09.44895402 35 07.80 -09 57 11.5          20.77GVET077I52
         K20T02H KC2020 10 09.58289302 35 14.80 -09 48 21.0          20.8 GVET077474
         K20T02H KC2020 10 09.58525302 35 14.85 -09 48 13.3          20.8 GVET077474
         K20T02H KC2020 10 09.58761202 35 14.89 -09 48 04.7          20.9 GVET077474
         K20T02H KC2020 10 09.58997102 35 14.94 -09 47 57.2          21.1 GVET077474
         K20T02H KC2020 10 09.59233102 35 14.96 -09 47 49.0          21.0 GVET077474
         K20T02H KC2020 10 10.33882302 35 42.67 -09 07 22.7          20.88GVET077I52
         K20T02H KC2020 10 10.34134202 35 42.69 -09 07 14.2          21.10GVET077I52
         K20T02H KC2020 10 10.34385902 35 42.72 -09 07 06.0          20.64GVET077I52
         K20T02H KC2020 10 10.34637702 35 42.74 -09 06 57.9          20.61GVET077I52
         K20T02H KC2020 10 11.34052402 36 14.63 -08 12 15.2          20.83GVET077I52
         K20T02H KC2020 10 11.35280502 36 14.70 -08 11 34.9          20.79GVET077I52
         K20T02H KC2020 10 11.35532102 36 14.74 -08 11 26.5          20.75GVET077I52
    
    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.
    G96 Mt. Lemmon Survey.  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.  1.5-m reflector + 10K CCD.
    I52 Steward Observatory, Mt. Lemmon Station.  Observers G. J. Leonard, 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.  1.0-m reflector + CCD.
    
    Orbital elements:
    2020 TH2                                                 Earth MOID = 0.1114 AU
    Epoch 2020 Dec. 17.0 TT = JDT 2459200.5                 Veres
    M  37.42126              (2000.0)            P               Q
    n   0.40031706     Peri.  296.18494     +0.99015329     +0.12351539
    a   1.8233358      Node    56.78622     -0.08276196     +0.89607611
    e   0.4021107      Incl.    4.51651     -0.11290224     +0.42637020
    P   2.46           H   24.1           G   0.15           U   7
    Residuals in seconds of arc
    201009 G96  0.4+  0.3-    201009 I52  0.1-  0.3+    201010 I52  0.1-  0.2+
    201009 G96  0.2-  0.2-    201009 474  0.0   0.0     201010 I52  0.1-  0.0
    201009 G96  0.2-  0.2+    201009 474  0.1+  0.3-    201010 I52  0.2-  0.3-
    201009 G96  0.2+  0.2+    201009 474  0.1+  0.3+    201011 I52  0.1+  0.2-
    201009 I52  0.1+  0.1-    201009 474  0.2+  0.1-    201011 I52  0.2-  0.0
    201009 I52  0.1-  0.1+    201009 474  0.1-  0.1+    201011 I52  0.2+  0.2+
    201009 I52  0.2-  0.1-    201010 I52  0.0   0.1+
    
    Ephemeris:
    2020 TH2                 a,e,i = 1.82, 0.40, 5                   q = 1.0902
    Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
    2020 09 11    01 27 44.3 -38 47 18   0.1148  1.0907   134.8    40.9    21.2
    ...
    2020 09 26    02 17 22.9 -23 44 04   0.1185  1.0967   140.5    35.6    21.1
    ...
    2020 10 04    02 30 18.8 -15 17 39   0.1276  1.1088   146.4    29.9    21.2
    ...
    2020 10 10    02 35 30.2 -09 25 36   0.1377  1.1218   151.7    24.9    21.2
    2020 10 11    02 36 03.8 -08 30 14   0.1397  1.1242   152.7    24.0    21.2
    2020 10 12    02 36 32.8 -07 35 55   0.1417  1.1268   153.6    23.2    21.2
    ...
    2020 10 18    02 38 05.2 -02 32 52   0.1560  1.1438   159.5    17.7    21.3
    ...
    2020 10 26    02 37 45.0 +03 08 19   0.1803  1.1706   167.2    10.8    21.4
    ...
    2020 11 10    02 35 20.1 +10 48 16   0.2439  1.2319   171.1     7.1    22.0
    
    M. P. C. Staff               (C) Copyright 2020 MPC           M.P.E.C. 2020-T77
    


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