[Iaude] MPEC Q36: 2020 OR7 [a=2.53,e=0.50,i=28.0,H=20.2]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Mon Aug 17 07:09:35 EDT 2020


M.P.E.C. 2020-Q36                               Issued 2020 August 17, 11:08 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 OR7                                    


Observations:
     K20O07R* C2020 07 18.55053 22 54 56.734+02 24 51.31         22.4 wUEQ036F51
     K20O07R  C2020 07 18.56314 22 54 56.633+02 25 17.67         22.2 wUEQ036F51
     K20O07R  C2020 07 18.57584 22 54 56.524+02 25 44.08         22.1 wUEQ036F51
     K20O07R  C2020 07 18.58859 22 54 56.428+02 26 10.77         22.0 wUEQ036F51
     K20O07R  C2020 07 22.51020822 54 21.311+04 47 09.56         21.95GVEQ036F51
     K20O07R  C2020 07 22.52322722 54 21.063+04 47 38.82         22.04GVEQ036F51
     K20O07R  C2020 07 22.53650122 54 20.819+04 48 08.29         22.05GVEQ036F51
     K20O07R  C2020 07 22.54983322 54 20.571+04 48 37.99         21.86GVEQ036F51
     K20O07R  C2020 07 30.36373 22 50 56.81 +09 59 22.1          21.4 GVEQ036G96
     K20O07R  C2020 07 30.37095 22 50 56.53 +09 59 40.2          21.6 GVEQ036G96
     K20O07R  C2020 07 30.37816 22 50 56.19 +09 59 58.9          21.2 GVEQ036G96
     K20O07R  C2020 08 16.52445622 30 54.384+23 25 13.71         20.83wUEQ036F52
     K20O07R  C2020 08 16.53680922 30 53.015+23 25 50.79         20.95wUEQ036F52
     K20O07R  C2020 08 16.54918122 30 51.643+23 26 27.81         21.13wUEQ036F52
     K20O07R  C2020 08 16.56158622 30 50.304+23 27 04.58         21.01wUEQ036F52
     K20O07R  C2020 08 17.03222 22 30 01.00 +23 50 31.3          21.3 VVEQ036033
     K20O07R  C2020 08 17.03860 22 30 00.29 +23 50 50.3          21.4 VVEQ036033
     K20O07R  C2020 08 17.04184 22 29 59.93 +23 51 00.2          21.2 VVEQ036033
     K20O07R KC2020 08 17.20710622 29 42.80 +23 59 19.4          20.9 VuEQ036H21
     K20O07R KC2020 08 17.21001922 29 42.49 +23 59 28.5          21.0 VuEQ036H21
     K20O07R KC2020 08 17.21390222 29 42.04 +23 59 40.1          20.7 VuEQ036H21
     K20O07R  C2020 08 17.35703 22 29 26.08 +24 06 52.7                oEQ036711
     K20O07R  C2020 08 17.36046 22 29 25.72 +24 07 02.9                oEQ036711
     K20O07R  C2020 08 17.36390 22 29 25.30 +24 07 13.3                oEQ036711

Observer details:
033 Karl Schwarzschild Observatory, Tautenburg.  Observers S. Melnikov, U.
    Laux, B. Stecklum.  Measurer B. Stecklum.  1.34-m f/3 Schmidt + CCD.
711 McDonald Observatory, Fort Davis.  Observers J. G. Ries, J. W. Kuehne.
    Measurer J. G. Ries.  2.1-m reflector + CCD + focal reducer.
F51 Pan-STARRS 1, Haleakala.  Observers J. Bulger, T. Lowe, A. Schultz, M.
    Willman, K. Chambers.  Measurers K. Chambers, S. Chastel, T. de Boer, L.
    Denneau, J. Fairlamb, H. Flewelling, M. Huber, C.-C. Lin, E. Magnier, Y.
    Ramanjooloo, R. Wainscoat, R. Weryk.  1.8-m Ritchey-Chretien + CCD.
F52 Pan-STARRS 2, Haleakala.  Observers J. Bulger, T. Dukes, T. Lowe, A.
    Schultz, M. Willman.  Measurers K. Chambers, S. Chastel, T. de Boer, L.
    Denneau, J. Fairlamb, H. Flewelling, M. Huber, C.-C. Lin, E. Magnier, Y.
    Ramanjooloo, R. Wainscoat, R. Weryk.  1.8-m Ritchey-Chretien + CCD.
G96 Mt. Lemmon Survey.  Observer T. A. Pruyne.  Measurers E. J. Christensen,
    G. A. Farneth, D. C. Fuls, A. R. Gibbs, A. D. Grauer, H. Groeller, R. A.
    Kowalski, S. M. Larson, G. J. Leonard, T. A. Pruyne, D. Rankin, R. L.
    Seaman, F. C. Shelly, K. W. Wierzchos.  1.5-m reflector + 10K CCD.
H21 Astronomical Research Observatory, Westfield.  Observer R. Holmes.
    Measurers S. Foglia, L. Buzzi, T. Linder, R. Holmes.  0.76-m f/3.0
    astrograph + CCD.

Orbital elements:
2020 OR7                                                 Earth MOID = 0.5380 AU
Epoch 2020 May 31.0 TT = JDT 2459000.5                  Veres
M 321.45655              (2000.0)            P               Q
n   0.24468104     Peri.   83.94852     +0.73770946     -0.57193578
a   2.5316432      Node   310.27970     +0.26081106     +0.73151625
e   0.4971967      Incl.   28.04707     +0.62270566     +0.37117844
P   4.03           H   20.2           G   0.15           U   4
Residuals in seconds of arc
200718 F51  0.1+  0.1-    200730 G96  0.1+  0.1-    200817 033  0.2-  0.3-
200718 F51  0.1+  0.0     200730 G96  0.5+  0.4-    200817 033  0.2-  0.1-
200718 F51  0.0   0.1-    200730 G96  0.1+  0.0     200817 H21  0.0   0.0
200718 F51  0.0   0.1+    200816 F52  0.2+  0.1-    200817 H21  0.2+  0.3+
200722 F51  0.1-  0.0     200816 F52  0.1+  0.1+    200817 H21  0.0   0.2+
200722 F51  0.1-  0.2+    200816 F52  0.0   0.2+    200817 711  0.3-  0.1+
200722 F51  0.1-  0.0     200816 F52  0.4+  0.1-    200817 711  0.1+  0.0
200722 F51  0.0   0.0     200817 033  0.1-  0.2-    200817 711  0.3-  0.1+

Ephemeris:
2020 OR7                 a,e,i = 2.53, 0.50, 28                  q = 1.2729
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2020 07 18    22 54 58.3 +02 05 53   0.8512  1.6887   129.2    27.8    22.2
...
2020 08 02    22 49 03.9 +11 53 12   0.6946  1.6007   138.1    25.0    21.6
...
2020 08 10    22 40 47.6 +18 03 22   0.6315  1.5557   140.9    24.3    21.3
...
2020 08 16    22 31 49.0 +22 58 57   0.5947  1.5231   141.3    24.5    21.1
2020 08 17    22 30 04.7 +23 48 59   0.5895  1.5177   141.2    24.7    21.1
2020 08 18    22 28 16.2 +24 39 05   0.5845  1.5124   141.1    24.9    21.1
...
2020 08 24    22 15 59.1 +29 37 47   0.5603  1.4814   139.2    26.5    21.0
...
2020 09 01    21 56 10.0 +35 53 34   0.5421  1.4422   134.5    29.9    21.0
...
2020 09 16    21 13 17.5 +45 05 05   0.5428  1.3770   122.8    37.9    21.1

M. P. C. Staff               (C) Copyright 2020 MPC           M.P.E.C. 2020-Q36




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