[Iaude] MPEC Q26: 2020 PR4 [a=2.19,e=0.49,i=8.6,H=23.7]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Sun Aug 16 19:51:53 EDT 2020


M.P.E.C. 2020-Q26                               Issued 2020 August 16, 23:50 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 PR4                                    


Observations:
     K20P04R  C2020 08 12.50938523 01 53.309-10 15 09.97         22.23GVEQ026F51
     K20P04R  C2020 08 12.52076923 01 55.154-10 15 26.26         24.35GVEQ026F51
     K20P04R  C2020 08 12.53215723 01 57.013-10 15 41.54         21.52GVEQ026F51
     K20P04R  C2020 08 12.54360223 01 58.912-10 15 57.55         22.86GVEQ026F51
     K20P04R* C2020 08 14.53978723 08 02.990-11 04 36.08         21.77wUEQ026F51
     K20P04R  C2020 08 14.55094823 08 04.931-11 04 52.91         21.73wUEQ026F51
     K20P04R  C2020 08 14.57334823 08 08.836-11 05 26.68         22.62wUEQ026F51
     K20P04R KC2020 08 15.29152623 10 26.29 -11 24 08.5          22.0 VuEQ026H21
     K20P04R KC2020 08 15.29707923 10 27.27 -11 24 17.3          21.6 VuEQ026H21
     K20P04R KC2020 08 15.31027023 10 29.56 -11 24 37.6          22.1 VuEQ026H21
     K20P04R ^C2020 08 15.46014623 10 58.904-11 28 25.32         21.63GVEQ026568
     K20P04R ^C2020 08 15.46204623 10 59.242-11 28 28.36         22.22GVEQ026568
     K20P04R ^C2020 08 15.46299423 10 59.409-11 28 29.85         21.78GVEQ026568

Observer details:
568 Mauna Kea.  Observers R. Wainscoat, C. Wipper, T. Burdullis.  Measurers R.
    Weryk, R. Wainscoat.  3.6-m Canada-France-Hawaii Telescope + CCD.
F51 Pan-STARRS 1, Haleakala.  Observers J. Bulger, K. Chambers, T. Lowe, A.
    Schultz, M. Willman.  Measurers S. Chastel, M. Huber, Y. Ramanjooloo, R.
    Wainscoat, R. Weryk, K. Chambers, T. de Boer, L. Denneau, J. Fairlamb, H.
    Flewelling, C.-C. Lin, E. Magnier.  1.8-m Ritchey-Chretien + CCD.
H21 Astronomical Research Observatory, Westfield.  Observer R. Holmes.
    Measurers S. Foglia, L. Buzzi, T. Linder, R. Holmes.  0.81-m f/4.0
    astrograph + CCD.

Orbital elements:
2020 PR4                                                 Earth MOID = 0.1645 AU
Epoch 2020 May 31.0 TT = JDT 2459000.5                  Veres
M 322.10347              (2000.0)            P               Q
n   0.30359779     Peri.  233.12321     +0.97021955     -0.22183722
a   2.1924867      Node   139.43590     +0.24082703     +0.92652926
e   0.4879456      Incl.    8.60281     -0.02600688     +0.30386144
P   3.25           H   23.7           G   0.15           U   8
Residuals in seconds of arc
200812 F51  0.2+  0.1+    200814 F51  0.0   0.1-    200815 568  0.2-  0.0
200812 F51  0.1-  0.4-    200814 F51  0.1-  0.0     200815 568  0.2-  0.0
200812 F51  0.2-  0.2+    200815 H21  1.0+  0.1+    200815 568  0.2-  0.0
200812 F51  0.1+  0.1+    200815 H21  0.7+  0.1+
200814 F51  0.0   0.1-    200815 H21  0.5-  0.5+

Ephemeris:
2020 PR4                 a,e,i = 2.19, 0.49, 9                   q = 1.1227
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2020 07 17    22 03 32.8 -05 02 20   0.4522  1.4041   143.0    25.8    23.9
...
2020 08 01    22 32 30.8 -06 51 29   0.3337  1.3181   151.6    21.5    23.0
...
2020 08 09    22 52 00.1 -08 59 28   0.2822  1.2762   155.6    19.1    22.5
...
2020 08 15    23 09 30.2 -11 16 05   0.2493  1.2471   157.7    17.9    22.1
2020 08 16    23 12 42.9 -11 42 29   0.2443  1.2425   157.9    17.8    22.0
2020 08 17    23 16 01.2 -12 09 56   0.2395  1.2379   158.1    17.8    22.0
...
2020 08 23    23 37 58.8 -15 15 37   0.2137  1.2120   157.9    18.3    21.7
...
2020 08 31    00 13 41.1 -20 06 34   0.1883  1.1817   154.2    21.9    21.5
...
2020 09 15    01 37 48.1 -28 45 56   0.1683  1.1406   140.5    34.1    21.5

M. P. C. Staff               (C) Copyright 2020 MPC           M.P.E.C. 2020-Q26




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