[Iaude] MPEC J231: 2020 OM5 [a=1.33,e=0.58,i=24.4,H=19.4]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Sat May 15 10:01:43 EDT 2021


M.P.E.C. 2021-J231                                 Issued 2021 May 15, 14:00 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 OM5                                    


                           Revision to MPEC 2020-O150                           

Additional Observations:
     K20O05M  C2009 06 20.54229519 55 59.078-16 32 18.62         21.23GVEJ231F51
     K20O05M  C2009 06 20.55104519 55 58.218-16 32 25.25         21.13GVEJ231F51
     K20O05M KC2009 06 27.46306519 44 00.854-18 05 26.35         22.09GVEJ231F51
     K20O05M KC2021 05 13.45088 18 48 07.97 +07 07 33.4          20.7 RoEJ231691
     K20O05M KC2021 05 13.46670 18 48 06.34 +07 07 30.7                oEJ231691

Observer details:
691 Steward Observatory, Kitt Peak-Spacewatch.  Observer J. V. Scotti.  0.9-m
    f/3 reflector + CCD.
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
090620 F51  3.9+  0.9+    210513 691  0.3+  0.6+    E2020-V70   -0.00 days

Orbital elements:
2020 OM5                                                 Earth MOID = 0.4118 AU
Epoch 2020 Dec. 17.0 TT = JDT 2459200.5                 Veres
M 345.98250              (2000.0)            P               Q
n   0.64396048     Peri.  359.87696     -0.32838880     -0.86008674
a   1.3280973      Node   109.28304     +0.86695385     -0.43851574
e   0.5840669      Incl.   24.43137     +0.37490242     +0.26068131
P   1.53           H   19.4           G   0.15           U   2
Residuals in seconds of arc
090620 F51  0.1+  0.1-    200725 F51  0.0   0.1-    200811 474  0.1-  0.2-
090620 F51  0.1+  0.0     200726 I52  0.0   0.4-    200811 474  0.1-  0.0
090627 F51  0.2-  0.1+    200726 I52  0.1+  0.2+    200920 474  0.0   0.1-
200630 F51  0.1-  0.0     200726 I52  1.0+  0.5+    200920 474  0.1-  0.1+
200630 F51  0.0   0.0     200726 474  0.3+  0.0     200920 474  0.0   0.1-
200630 F51  0.0   0.1-    200726 474  0.0   0.2-    200920 474  0.1+  0.1-
200630 F51  0.2+  0.1-    200726 474  0.2+  0.2+    201110 474  0.1+  0.3+
200719 F51  0.0   0.0     200727 474  0.0   0.1-    201110 474  0.2-  0.3+
200719 F51  0.1-  0.2+    200727 474  0.0   0.3+    201110 474  0.1+  0.1-
200725 F51  0.0   0.0     200727 474  0.1+  0.1+    201110 474  0.3-  0.1-
200725 F51  0.1-  0.0     200811 474  0.1-  0.1-    210513 691  0.2-  0.0
200725 F51  0.0   0.1+    200811 474  0.1-  0.2-    210513 691  0.1+  0.1+

Ephemeris:
2020 OM5                 a,e,i = 1.33, 0.58, 24                  q = 0.5524
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2021 04 15    19 12 46.2 +06 34 52   0.9246  1.4078    93.7    45.3    21.7
...
2021 04 30    19 05 24.9 +07 15 39   0.8742  1.5242   108.0    38.9    21.6
...
2021 05 08    18 56 25.1 +07 17 50   0.8463  1.5813   116.6    34.8    21.5
...
2021 05 14    18 47 12.3 +07 05 59   0.8279  1.6219   123.5    31.3    21.4
2021 05 15    18 45 28.0 +07 02 40   0.8251  1.6285   124.7    30.7    21.4
2021 05 16    18 43 40.5 +06 58 56   0.8225  1.6350   125.9    30.1    21.3
...
2021 05 22    18 31 49.2 +06 27 21   0.8098  1.6731   133.0    26.2    21.2
...
2021 05 30    18 13 34.9 +05 19 08   0.8027  1.7211   142.4    21.0    21.1
...
2021 06 14    17 36 12.0 +01 54 47   0.8310  1.8026   154.8    13.9    21.1

A. U. Tomatic                (C) Copyright 2021 MPC           M.P.E.C. 2021-J231




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