• MPC Preparation (Info)

  • MPEC 2020-S20 : 2020 RD7

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    M.P.E.C. 2020-S20                            Issued 2020 September 16, 05:35 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@CFA.HARVARD.EDU
                URL https://www.minorplanetcenter.net/    ISSN 1523-6714
    
                                    2020 RD7                                 
    
    
    Observations:
         K20R07D* C2020 09 15.40786123 04 06.681-00 01 48.20         20.34wUES020F51
         K20R07D  C2020 09 15.44840923 04 39.343+00 00 12.21         20.60wUES020F51
         K20R07D 1C2020 09 15.82513 23 10 07.83 +00 17 17.0                VES020246
         K20R07D 1C2020 09 15.82541 23 10 08.00 +00 17 18.0                VES020246
         K20R07D 1C2020 09 15.82568 23 10 08.15 +00 17 18.7                VES020246
         K20R07D 1C2020 09 15.82623 23 10 08.58 +00 17 20.5                VES020246
         K20R07D KC2020 09 15.87155423 10 46.58 +00 19 38.1          20.4 GVES020I93
         K20R07D IC2020 09 15.89544923 11 03.68 +00 20 43.3          20.2 GVES020L01
         K20R07D KC2020 09 15.89879723 11 06.28 +00 20 52.9          20.1 GVES020L01
         K20R07D KC2020 09 15.90035223 11 07.50 +00 20 57.3          20.2 GVES020L01
         K20R07D KC2020 09 15.94119523 11 41.20 +00 22 54.0          20.6 GVES020I93
         K20R07D  C2020 09 16.17452 23 14 55.49 +00 34 05.7          20.4 GVES020I52
         K20R07D  C2020 09 16.17600 23 14 56.65 +00 34 09.9          20.4 GVES020I52
         K20R07D  C2020 09 16.17747 23 14 57.74 +00 34 13.6          20.2 GVES020I52
         K20R07D KC2020 09 16.17772623 14 54.50 +00 33 58.7          20.3 VuES020H21
         K20R07D  C2020 09 16.17895 23 14 58.85 +00 34 18.3          20.4 GVES020I52
         K20R07D KC2020 09 16.18345323 14 58.81 +00 34 14.5          20.4 VuES020H21
         K20R07D KC2020 09 16.19032223 15 03.97 +00 34 33.4          20.7 VuES020H21
    
    Observer details:
    246 Klet Observatory-KLENOT.  Observers M. Tichy, J. Ticha.  Measurer M.
        Tichy.  1.06-m f/2.7 reflector + 2048x2048 CCD.
    F51 Pan-STARRS 1, Haleakala.  Observers J. Bulger, 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.
    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.
    I52 Steward Observatory, Mt. Lemmon Station.  Observer D. C. Fuls.  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.  1.0-m reflector +
        CCD.
    I93 St Pardon de Conques.  Observer F. Losse.  0.40-m f/3.7 reflector + CCD.
    L01 Visnjan Observatory, Tican.  Observer K. Korlevic.  1.0-m f/2.9 reflector
        + CCD.
    
    Orbital elements:
    2020 RD7                                                 Earth MOID = 0.0198 AU
    Epoch 2020 May 31.0 TT = JDT 2459000.5                  Bell                    
    M 330.09261              (2000.0)            P               Q                  
    n   0.34580168     Peri.  140.35424     +0.85477236     +0.51899710             
    a   2.0102558      Node   188.38186     -0.48041611     +0.78939272             
    e   0.4889660      Incl.    0.98108     -0.19637866     +0.32787367             
    P   2.85           H   26.35          G   0.15           U   8                  
    Residuals in seconds of arc
    200915 F51  0.0-  0.0-    200915 I93  0.2-  0.6+    200916 I52  0.5+  0.3-
    200915 F51  0.0+  0.0+    200915 L01  0.2+  0.3-    200916 I52  0.1+  0.6-
    200915 246  1.2+  0.3-    200915 L01  0.1-  0.2-    200916 H21  0.1+  0.1-
    200915 246  0.4+  0.1-    200915 L01  0.0-  0.2-    200916 I52  0.1-  0.1+
    200915 246  0.6-  0.2-    200915 I93  0.1-  0.2+    200916 H21  0.0-  0.1+
    200915 246  0.7-  0.0+    200916 I52  0.0+  0.4-    200916 H21  0.1-  0.2+
    
    Ephemeris:
    2020 RD7                 a,e,i = 2.01, 0.49, 1                   q = 1.0273
    Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
    2020 08 17    16 11 28.9 -13 04 24   0.09755 1.0322    99.0    75.6    24.0
    ...
    2020 09 01    18 11 30.3 -12 36 11   0.04990 1.0302   113.7    63.8    22.2
    ...
    2020 09 09    20 59 10.3 -06 48 51   0.04055 1.0416   147.4    31.4    20.8
    ...
    2020 09 15    22 58 02.0 -00 21 29   0.05042 1.0555   171.1     8.4    20.6
    2020 09 16    23 12 27.0 +00 27 30   0.05319 1.0583   173.5     6.2    20.6
    2020 09 17    23 25 24.3 +01 11 12   0.05618 1.0611   175.2     4.6    20.6
    ...
    2020 09 23    00 19 28.2 +04 06 00   0.07765 1.0807   173.8     5.8    21.4
    ...
    2020 10 01    00 55 12.2 +05 49 22   0.1122  1.1126   173.0     6.3    22.3
    ...
    2020 10 16    01 21 18.4 +06 55 50   0.1903  1.1871   177.9     1.7    23.3
    
    M. P. C. Staff               (C) Copyright 2020 MPC           M.P.E.C. 2020-S20
    


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