[Iaude] MPEC J09: 2020 TF [a=1.09,e=0.30,i=19.2,H=21.7]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Sat May 1 10:05:09 EDT 2021


M.P.E.C. 2021-J09                                   Issued 2021 May 1, 14:04 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 at CFA.HARVARD.EDU
            URL https://www.minorplanetcenter.net/    ISSN 1523-6714

                                    2020 TF                                     


                           Revision to MPEC 2020-T18                            

Additional Observations:
     K20T00F  C2013 07 16.46905717 58 37.973+30 04 28.59         22.03GVEJ009F51
     K20T00F  C2013 07 16.48090417 58 36.727+30 04 17.66         21.66GVEJ009F51
     K20T00F  C2013 07 17.29157517 57 20.357+29 51 52.68         22.23GVEJ009F51
     K20T00F  C2013 07 17.30832917 57 18.661+29 51 37.38         22.78GVEJ009F51

Observer details:
F51 Pan-STARRS 1, Haleakala.  Observers J. Bulger, K. Chambers, T. Lowe, A.
    Schultz, I. Smith.  Measurers S. Chastel, M. Huber, Y. Ramanjooloo, R.
    Wainscoat, R. Weryk.  1.8-m Ritchey-Chretien + CCD.

First and last observations above in comparison with prediction:
Residuals in seconds of arc, reference and Delta-T
130716 F51 21.4+  6.0+    130717 F51 21.2+  6.5+    MPO600171   +0.00 days

Orbital elements:
2020 TF                                             PHA, Earth MOID = 0.0025 AU
Epoch 2020 Dec. 17.0 TT = JDT 2459200.5                 Veres
M 332.45592              (2000.0)            P               Q
n   0.86779093     Peri.  271.32097     -0.63975431     -0.73730395
a   1.0885774      Node   221.24856     +0.76815214     -0.62279450
e   0.3028668      Incl.   19.21735     -0.02562640     -0.26174396
P   1.14           H   21.7           G   0.15           U   3
Residuals in seconds of arc
130716 F51  0.0   0.1-    201009 I52  0.3-  0.2-    201030 691  0.5+  1.0+
130716 F51  0.2-  0.0     201009 I52  0.0   0.9-    201030 I52  0.1+  0.1+
130717 F51  0.1+  0.1+    201009 I52  0.1-  0.2-    201030 I52  0.3-  0.2-
130717 F51  0.1+  0.2+    201010 I52  0.3+  0.1+    201030 I52  0.0   0.1+
201005 G96  0.2+  0.3+    201010 I52  0.0   0.1-    201031 691  0.2+  0.1-
201005 G96  0.2-  0.0     201011 G96  0.1-  0.2+    201031 691  0.3+  0.1+
201005 G96  0.3+  0.3+    201011 G96  0.2-  0.1-    201031 691  0.0   0.2+
201005 I52  0.4-  0.6+    201011 G96  0.0   0.0     201102 H36  0.5+  0.3-
201005 I52  0.2-  0.6-    201011 G96  0.1+  0.0     201102 807  0.1-  0.8-
201005 I52  0.7-  0.3-    201011 G96  0.0   0.1-    201102 807  0.1+  0.6-
201005 B49  1.9+  0.2+    201011 G96  0.3+  0.2+    201102 H36  0.1+  1.2-
201005 B49  0.5+  0.3+    201011 G96  0.0   0.1+    201102 807  0.4+  0.3-
201005 L01  0.2+  0.8-    201011 I52  0.2-  0.1-    201102 H36  0.2-  0.2+
201005 L01  0.2+  0.3+    201011 I52  0.0   0.0     201103 I52  0.3+  0.3+
201005 L01  0.2+  0.3+    201011 I52  0.0   0.1-    201103 I52  0.3+  0.3+
201005 L01  0.0   0.1-    201011 I52  0.2-  0.1-    201104 691  0.6-  0.0
201006 H21  0.2+  0.1-    201012 I52  0.2-  0.1+    201104 691  0.4-  0.8+
201006 H36  0.1-  0.1-    201012 I52  0.0   0.1+    201104 691  0.1-  0.1+
201006 H21  0.0   0.1+    201012 I52  0.3+  0.1+    201104 I52  0.9-  0.0
201006 H21  0.0   0.3-    201012 I52  0.5-  0.0     201104 I52  0.2-  0.0
201006 H36  0.0   1.1-    201015 I52  0.1+  0.0     201105 691  0.6-  0.5-
201006 I52  0.1-  0.1-    201015 I52  0.2+  0.1+    201105 691  0.4-  0.7+
201006 I52  0.2-  0.4-    201015 I52  0.2-  0.3-    201105 691  0.6-  0.1+
201006 I52  0.2-  0.3-    201015 I52  0.0   0.1+    201106 246  0.2-  0.4+
201006 J95  0.5+  0.0     201017 I52  0.2-  0.1-    201106 246  0.1-  0.7+
201006 J95  0.3+  0.0     201017 I52  0.0   0.1+    201106 246  0.8-  1.2+
201007 J95  0.0   0.1-    201017 I52  0.0   0.1-    201110 807  0.2+  0.4-
201007 J95  0.4-  0.4+    201020 I52  0.0   0.2-    201110 807  0.1+  0.0
201007 H21  0.3+  0.0     201020 I52  0.2-  0.3-    201110 807  0.7+  0.5-
201007 H21  0.1-  0.1+    201020 I52  0.0   0.3+    201112 691  0.0   0.1+
201007 H21  0.0   0.0     201020 I52  0.7+  0.3-    201112 691  0.2+  0.4-
201007 U55  0.0   0.2+    201023 I52  0.5+  0.2-    201112 691  0.2-  0.4+
201007 U55  0.3-  0.2+    201023 I52  0.2+  0.2+    201113 291  0.3+  0.4+
201007 I52  0.2-  0.2+    201023 I52  0.1+  0.1-    201113 291  0.0   0.1+
201007 I52  0.0   0.1-    201023 I52  0.2+  0.1-    201113 291  0.2+  0.4-
201007 I52  0.1-  0.1+    201029 I52  0.8-  0.0     201124 807  0.1-  0.0
201007 I52  0.2+  0.0     201029 I52  0.4-  0.1+    201124 807  0.3+  0.1+
201008 I52  0.4-  0.4-    201029 I52  0.0   0.2-    201124 807  0.5-  0.5-
201008 I52  0.5-  0.5-    201030 691  0.0   0.7+    210429 695  0.4-  0.1+
201008 I52  0.1-  0.0     201030 691  0.1-  0.0     210429 695  1.4-  0.3+

Ephemeris:
2020 TF                  a,e,i = 1.09, 0.30, 19                  q = 0.7589
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2021 04 01    19 57 02.4 -15 45 34   0.6880  1.0353    73.1    67.4    23.3
...
2021 04 16    20 23 03.1 -07 12 07   0.6856  1.1110    79.8    62.8    23.3
...
2021 04 24    20 34 33.2 -02 37 37   0.6784  1.1491    83.6    60.4    23.3
...
2021 04 30    20 42 00.5 +00 48 35   0.6707  1.1764    86.6    58.7    23.3
2021 05 01    20 43 08.9 +01 22 59   0.6693  1.1809    87.1    58.4    23.3
2021 05 02    20 44 15.4 +01 57 23   0.6678  1.1853    87.6    58.2    23.3
...
2021 05 08    20 50 13.8 +05 23 48   0.6581  1.2109    90.6    56.5    23.3
...
2021 05 16    20 56 13.1 +09 58 11   0.6433  1.2431    94.8    54.1    23.2
...
2021 05 31    21 00 18.5 +18 21 21   0.6129  1.2965   102.9    49.7    23.1

A. U. Tomatic                (C) Copyright 2021 MPC           M.P.E.C. 2021-J09




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