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  • MPEC 2020-S211 : 2020 SM5

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    M.P.E.C. 2020-S211                           Issued 2020 September 27, 11:26 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 SM5                                 
    
    
    Observations:
         K20S05M* C2020 09 25.33095201 11 03.93 -21 45 33.3          19.36GVES211G96
         K20S05M  C2020 09 25.33638501 11 00.90 -21 44 11.2          19.89GVES211G96
         K20S05M  C2020 09 25.34179801 10 57.96 -21 42 50.5                VES211G96
         K20S05M  C2020 09 25.34721401 10 54.94 -21 41 29.0          19.64GVES211G96
         K20S05M KC2020 09 25.41248201 10 19.02 -21 25 03.0          19.87GVES211I52
         K20S05M KC2020 09 25.41342601 10 18.53 -21 24 48.3          19.04GVES211I52
         K20S05M KC2020 09 25.41436901 10 17.98 -21 24 33.9          19.42GVES211I52
         K20S05M KC2020 09 26.03163201 05 09.24 -18 44 58.5          19.5 GVES211J95
         K20S05M KC2020 09 26.04160901 05 03.75 -18 42 18.8          19.3 GVES211J95
         K20S05M KC2020 09 26.05139401 04 58.31 -18 39 42.8          19.4 GVES211J95
         K20S05M KC2020 09 26.23086401 03 32.03 -17 50 53.4          19.98GVES211I52
         K20S05M KC2020 09 26.23209401 03 31.38 -17 50 33.3          19.23GVES211I52
         K20S05M KC2020 09 26.23332801 03 30.68 -17 50 13.3          19.39GVES211I52
         K20S05M KC2020 09 26.24791001 03 19.35 -17 46 32.8          19.4 VuES211H21
         K20S05M KC2020 09 26.25189601 03 17.11 -17 45 28.0          19.5 VuES211H21
         K20S05M KC2020 09 26.25542001 03 15.13 -17 44 30.5          19.7 VuES211H21
         K20S05M KC2020 09 26.94402500 57 18.48 -14 32 02.5          19.2 GVES211203
         K20S05M KC2020 09 26.96395100 57 07.23 -14 26 19.6          19.3 GVES211203
         K20S05M KC2020 09 27.07918 00 56 01.72 -13 52 59.7                VES211204
         K20S05M KC2020 09 27.09036 00 55 55.39 -13 49 44.1          19.4 GVES211204
         K20S05M KC2020 09 27.21821900 54 53.86 -13 12 21.5          19.7 VuES211H21
         K20S05M KC2020 09 27.22112900 54 52.21 -13 11 30.5          19.6 VuES211H21
         K20S05M KC2020 09 27.22339200 54 54.01 -13 10 33.6          19.70GVES211I52
         K20S05M KC2020 09 27.22395600 54 53.73 -13 10 23.2          19.98GVES211I52
         K20S05M KC2020 09 27.22452100 54 53.39 -13 10 13.8          20.18GVES211I52
    
    Observer details:
    203 GiaGa Observatory.  Observers S. Foglia, G. Galli.  Measurer G. Galli.
        0.36-m f/5.76 Schmidt-Cassegrain + CCD.
    204 Schiaparelli Observatory.  Observer L. Buzzi.  0.84-m f/3.5 reflector +
        CCD.
    G96 Mt. Lemmon Survey.  Observer G. J. Leonard.  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.  0.81-m f/4.0
        astrograph + CCD, 0.76-m f/3.0 astrograph + CCD.
    I52 Steward Observatory, Mt. Lemmon Station.  Observer D. Rankin.  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.
    J95 Great Shefford.  Observer P. Birtwhistle.  0.41-m f/6.3 Schmidt-Cassegrain
        + CCD.
    
    Orbital elements:
    2020 SM5                                                 Earth MOID = 0.0570 AU
    Epoch 2020 Dec. 17.0 TT = JDT 2459200.5                 Veres
    M  47.21467              (2000.0)            P               Q
    n   0.66425007     Peri.    6.55366     +0.97178795     -0.23213993
    a   1.3009132      Node     7.28273     +0.19869817     +0.71052247
    e   0.1866351      Incl.   19.20723     +0.12707168     +0.66428072
    P   1.48           H   24.6           G   0.15           U   7
    Residuals in seconds of arc
    200925 G96  0.2+  0.4-    200926 J95  0.6-  0.5-    200927 204  0.3+  0.5+
    200925 G96  0.3-  0.3+    200926 I52  0.0   0.3-    200927 204  0.1+  0.5+
    200925 G96  0.3+  0.1-    200926 I52  0.4+  0.0     200927 H21  0.2-  0.6-
    200925 G96  0.2-  0.2+    200926 I52  0.2+  0.1+    200927 H21  0.1+  0.7-
    200925 I52  0.1-  0.3-    200926 H21  0.2-  0.1+    200927 I52  0.5-  0.0
    200925 I52  0.3+  0.1+    200926 H21  0.2-  0.0     200927 I52  0.1+  0.5+
    200925 I52  0.2-  0.1+    200926 H21  0.2-  0.1+    200927 I52  0.2-  0.1+
    200926 J95  0.3+  0.2+    200926 203  0.2-  0.1-
    200926 J95  0.3+  0.3+    200926 203  0.6+  0.1-
    
    Ephemeris:
    2020 SM5                 a,e,i = 1.30, 0.19, 19                  q = 1.0581
    Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
    2020 08 28    03 04 05.0 -57 22 02   0.2056  1.0953   109.3    60.5    23.5
    ...
    2020 09 12    02 32 09.1 -50 06 25   0.1254  1.0730   119.1    55.1    22.2
    ...
    2020 09 20    01 50 51.4 -38 29 20   0.08563 1.0650   133.5    43.2    21.1
    ...
    2020 09 26    01 05 25.6 -18 51 27   0.06362 1.0610   155.9    22.7    19.8
    2020 09 27    00 56 47.2 -14 14 08   0.06131 1.0605   161.1    17.9    19.6
    2020 09 28    00 47 54.4 -09 15 51   0.05955 1.0600   166.6    12.7    19.4
    ...
    2020 10 04    23 51 58.6 +22 10 40   0.06201 1.0583   158.7    20.1    19.7
    ...
    2020 10 12    22 43 21.8 +47 08 16   0.09169 1.0587   129.5    46.7    21.3
    ...
    2020 10 27    21 31 00.3 +60 07 09   0.1697  1.0679   111.6    59.9    23.0
    
    M. P. C. Staff               (C) Copyright 2020 MPC           M.P.E.C. 2020-S211
    


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