[Iaude] MPEC J05: 2020 KO3 [a=1.87,e=0.50,i=11.8,H=20.2]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Sat May 1 10:04:05 EDT 2021


M.P.E.C. 2021-J05                                   Issued 2021 May 1, 14:02 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 KO3                                    


                           Revision to MPEC 2020-K140                           

Additional Observations:
     K20K03O  C2012 04 02.50358113 10 46.196+13 11 11.82               VEJ005F51
     K20K03O  C2012 04 21.43266912 45 49.096+16 02 07.01         22.84GVEJ005F51
     K20K03O  C2012 04 21.44705212 45 47.973+16 02 11.98         23.02GVEJ005F51
     K20K03O  C2016 01 16.46117007 07 33.718+17 54 50.95         22.69GVEJ005F51
     K20K03O  C2016 01 16.47208407 07 32.694+17 54 57.00         22.41GVEJ005F51
     K20K03O  C2016 01 16.48290707 07 31.719+17 55 02.44         23.06GVEJ005F51
     K20K03O  C2017 03 21.34791612 39 42.258+13 59 39.16         23.60GVEJ005F51
     K20K03O  C2017 03 21.38220312 39 39.782+14 00 02.73         23.90GVEJ005F51

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
120402 F51 68.1- 17.3-    170321 F51 22.5-  5.1-    MPO600152   -0.00 days

Orbital elements:
2020 KO3                                            PHA, Earth MOID = 0.0273 AU
Epoch 2020 Dec. 17.0 TT = JDT 2459200.5                 Veres
M  54.57078              (2000.0)            P               Q
n   0.38674774     Peri.  213.38502     +0.90229553     +0.39507629
a   1.8657389      Node   122.41268     -0.33710339     +0.89606028
e   0.5043748      Incl.   11.79474     -0.26874538     +0.20246157
P   2.55           H   20.2           G   0.15           U   1
Residuals in seconds of arc
120402 F51  0.1-  0.0     200522 673  0.1+  0.2+    200601 I52  0.3+  0.6-
120421 F51  0.1-  0.2+    200523 I52  0.1+  0.3+    200601 I52  0.0   0.0
120421 F51  0.1+  0.0     200523 I52  0.4-  0.7+    200601 I52  0.2+  0.4-
160116 F51  0.0   0.0     200523 I52  0.5-  0.6+    200603 I52  0.2+  0.7+
160116 F51  0.1-  0.2+    200526 I52  0.1-  0.0     200603 I52  0.1+  0.1+
160116 F51  0.3+  0.3-    200526 I52  0.5-  0.3+    200603 I52  0.2-  0.2-
170321 F51  0.2-  0.3-    200526 I52  0.2+  0.1-    200603 I52  0.6-  0.6+
170321 F51  0.0   0.1-    200526 I52  0.1-  0.1+    200604 I52  0.1+  1.4-
200519 F51  0.2+  0.2+    200526 F51  0.1+  0.1+    200604 I52  0.2+  0.0
200519 F51  0.1+  0.2+    200526 F51  0.1+  0.0     200604 I52  0.2-  0.2-
200519 F51  0.2+  0.1+    200526 F51  0.1+  0.1+    200609 I52  0.2-  1.3-
200522 033  0.9-  0.5-    200527 I52  0.6+  0.2-    200609 I52  0.0   0.3-
200522 033  0.5-  0.4-    200527 I52  0.2-  0.6-    200609 I52  0.1-  1.1-
200522 033  1.2-  1.5-    200527 I52  1.8-  0.3-    201119 J04  0.3-  0.3-
200522 G96  0.3+  0.1+    200529 I52  0.1-  0.1+    201119 J04  0.0   0.4-
200522 G96  0.3+  0.4+    200529 I52  0.3+  0.1-    210103 807  0.0   0.1-
200522 G96  0.2+  0.3+    200529 I52  0.3+  0.3+    210103 807  0.5+  0.2+
200522 G96  0.1-  0.1+    200529 I52  0.1+  0.4+    210103 807  0.3-  0.2-
200522 673  0.1-  0.3+    200601 I52  0.5+  0.1+

Ephemeris:
2020 KO3                 a,e,i = 1.87, 0.50, 12                  q = 0.9247
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2021 04 01    06 18 15.6 +22 41 43   2.2394  2.3386    83.0    25.1    25.0
...
2021 04 16    06 38 21.2 +23 07 56   2.4977  2.4018    72.9    23.5    25.2
...
2021 04 24    06 49 48.1 +23 14 01   2.6308  2.4336    67.7    22.5    25.3
...
2021 04 30    06 58 38.0 +23 15 06   2.7278  2.4565    63.9    21.6    25.4
2021 05 01    07 00 07.3 +23 14 59   2.7437  2.4603    63.2    21.4    25.4
2021 05 02    07 01 36.9 +23 14 48   2.7596  2.4640    62.6    21.3    25.4
...
2021 05 08    07 10 40.0 +23 11 59   2.8529  2.4859    58.9    20.3    25.5
...
2021 05 16    07 22 56.1 +23 03 50   2.9723  2.5139    53.9    19.0    25.5
...
2021 05 31    07 46 20.3 +22 35 38   3.1784  2.5628    44.9    16.2    25.6

A. U. Tomatic                (C) Copyright 2021 MPC           M.P.E.C. 2021-J05




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