[Iaude] MPEC K55: 2020 MP2 [a=0.98,e=0.29,i=13.8,H=22.2]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Thu May 20 10:01:49 EDT 2021


M.P.E.C. 2021-K55                                  Issued 2021 May 20, 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 MP2                                    


                           Revision to MPEC 2020-M103                           

Additional Observations:
     K20M02P  C2021 05 11.51680718 23 26.867+20 32 53.31         22.29GVEK055T12
     K20M02P  C2021 05 11.52419918 23 26.250+20 33 00.60         22.61GVEK055T12
     K20M02P  C2021 05 11.53152518 23 25.638+20 33 07.59         22.39GVEK055T12
     K20M02P  C2021 05 11.53963618 23 24.958+20 33 15.42         22.41GVEK055T12
     K20M02P  C2021 05 11.54712618 23 24.329+20 33 22.68         22.62GVEK055T12
     K20M02P  C2021 05 13.53086918 20 46.430+21 04 14.43         22.63GVEK055T12
     K20M02P  C2021 05 13.53693618 20 45.859+21 04 19.98         22.56GVEK055T12
     K20M02P  C2021 05 13.54288518 20 45.299+21 04 25.40         22.56GVEK055T12

Observer details:
T12 Mauna Kea-UH/Tholen NEO Follow-Up (2.24-m).  Observer D. J. Tholen.
    2.24-m f/10.1 reflector + CCD.

First and last observations above in comparison with prediction:
Residuals in seconds of arc, reference and Delta-T
210511 T12  8.4+  5.2+    210513 T12  8.8+  5.0+    E2020-MA6   -0.00 days

Orbital elements:
2020 MP2                                                 Earth MOID = 0.0318 AU
Epoch 2020 Dec. 17.0 TT = JDT 2459200.5                 Veres
M  13.23474              (2000.0)            P               Q
n   1.01505391     Peri.  303.13125     +0.30558189     -0.93325969
a   0.9805656      Node   127.91651     +0.93374418     +0.25490409
e   0.2930823      Incl.   13.84644     +0.18639073     +0.25308152
P   0.97           H   22.2           G   0.15           U   3
Residuals in seconds of arc
200515 F51  0.2+  0.2+    200523 F51  0.0   0.2+    200625 568  0.1-  0.1-
200515 F51  0.1-  0.2+    200622 F51  0.1+  0.0     200625 568  0.1-  0.0
200515 F51  0.1-  0.3-    200622 F51  0.1-  0.2-    200625 568  0.1-  0.0
200516 F51  0.2-  0.1+    200622 F51  0.1+  0.1+    210511 T12  0.0   0.1-
200516 F51  0.1-  0.2+    200622 F51  0.0   0.1-    210511 T12  0.0   0.1+
200516 F51  0.0   0.2-    200623 568  0.1-  0.0     210511 T12  0.0   0.0
200519 F52  0.1+  0.0     200623 568  0.1-  0.0     210511 T12  0.0   0.0
200519 F52  0.0   0.0     200623 568  0.0   0.0     210511 T12  0.1-  0.0
200519 F52  0.1+  0.1+    200623 598  0.1+  0.2+    210513 T12  0.0   0.0
200523 F51  0.2+  0.1-    200623 598  0.1+  0.3+    210513 T12  0.0   0.0
200523 F51  0.1+  0.0     200623 598  0.0   0.3+    210513 T12  0.0   0.0

Ephemeris:
2020 MP2                 a,e,i = 0.98, 0.29, 14                  q = 0.6932
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2021 04 20    18 32 34.1 +14 02 44   0.4783  1.2242   105.7    52.2    23.0
...
2021 05 05    18 29 44.8 +18 42 08   0.4254  1.2507   115.2    46.8    22.6
...
2021 05 13    18 21 30.6 +20 56 07   0.3976  1.2598   120.5    43.7    22.4
...
2021 05 19    18 11 43.1 +22 19 16   0.3780  1.2644   124.4    41.3    22.2
2021 05 20    18 09 46.5 +22 31 03   0.3749  1.2650   125.1    40.9    22.2
2021 05 21    18 07 44.7 +22 42 09   0.3718  1.2655   125.7    40.5    22.2
...
2021 05 27    17 53 45.0 +23 31 51   0.3549  1.2676   129.2    38.3    22.0
...
2021 06 04    17 30 45.7 +23 41 37   0.3366  1.2673   132.7    36.0    21.8
...
2021 06 19    16 41 23.6 +20 13 35   0.3201  1.2574   133.3    36.0    21.7

A. U. Tomatic                (C) Copyright 2021 MPC           M.P.E.C. 2021-K55




More information about the Iaude mailing list