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  • MPEC 2020-S91 : 2020 SB1

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    M.P.E.C. 2020-S91                            Issued 2020 September 19, 11:29 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 SB1                                 
    
    
    Observations:
         K20S01B* C2020 09 17.43728 01 15 10.23 +29 36 24.0          20.4 GVES091G96
         K20S01B  C2020 09 17.44299 01 15 04.10 +29 34 33.3          20.3 GVES091G96
         K20S01B  C2020 09 17.44869 01 14 58.04 +29 32 44.3          20.5 GVES091G96
         K20S01B  C2020 09 17.45440 01 14 52.05 +29 30 56.3          20.4 GVES091G96
         K20S01B  C2020 09 17.47546 01 14 30.18 +29 24 11.9          20.4 GVES091I52
         K20S01B  C2020 09 17.47669 01 14 28.93 +29 23 49.1          19.4 GVES091I52
         K20S01B  C2020 09 17.47916 01 14 26.41 +29 23 01.2          20.3 GVES091I52
         K20S01B pC2020 09 17.91279201 09 44.10 +27 24 00.5          21.0 GVES091L01
         K20S01B KC2020 09 17.91485401 09 42.51 +27 23 32.9          21.0 GVES091L01
         K20S01B KC2020 09 17.91692501 09 40.85 +27 23 04.3          21.1 GVES091L01
         K20S01B pC2020 09 17.92029201 09 38.22 +27 22 16.3          20.9 GVES091L01
         K20S01B HC2020 09 17.98504 01 08 49.37 +27 07 14.0          21.0 GVES091204
         K20S01B HC2020 09 18.01173 01 08 28.70 +27 01 07.8                VES091204
         K20S01B KC2020 09 18.06482001 07 52.74 +26 48 20.8          21.0 GVES091J95
         K20S01B KC2020 09 18.07778901 07 43.23 +26 45 27.2          20.8 GVES091J95
         K20S01B  C2020 09 18.33993 01 05 24.88 +25 52 47.0          21.0 GVES091V06
         K20S01B  C2020 09 18.34155 01 05 23.74 +25 52 27.9          20.9 GVES091V06
         K20S01B  C2020 09 18.34318 01 05 22.63 +25 52 08.9          20.8 GVES091V06
         K20S01B  C2020 09 18.34480 01 05 21.53 +25 51 49.7          21.1 GVES091V06
         K20S01B  C2020 09 18.41958 01 04 31.11 +25 37 05.7          20.9 GVES091G96
         K20S01B  C2020 09 18.42527 01 04 27.50 +25 35 59.4          21.3 GVES091G96
         K20S01B  C2020 09 18.43095 01 04 23.82 +25 34 52.5          20.4 GVES091G96
    
    Observer details:
    204 Schiaparelli Observatory.  Observer L. Buzzi.  0.84-m f/3.5 reflector +
        CCD.
    G96 Mt. Lemmon Survey.  Observer K. W. Wierzchos.  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.
    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.
    J95 Great Shefford.  Observer P. Birtwhistle.  0.41-m f/6.3 Schmidt-Cassegrain
        + CCD.
    L01 Visnjan Observatory, Tican.  Observer K. Korlevic.  1.0-m f/2.9 reflector
        + CCD.
    V06 Catalina Sky Survey-Kuiper.  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.  1.55-m reflector +
        CCD.
    
    Orbital elements:
    2020 SB1                                                 Earth MOID = 0.0035 AU
    Epoch 2020 May 31.0 TT = JDT 2459000.5                  Veres
    M 320.51400              (2000.0)            P               Q
    n   0.62418736     Peri.  312.28400     +0.48189624     +0.87618884
    a   1.3559991      Node   346.51815     -0.79306394     +0.43210403
    e   0.3338351      Incl.    2.04382     -0.37259308     +0.21349291
    P   1.58           H   28.2           G   0.15           U   7
    Residuals in seconds of arc
    200917 G96  0.2-  0.0     200917 L01  0.5+  0.9+    200918 V06  0.3-  0.0
    200917 G96  0.2-  1.0-    200917 L01  0.0   1.0+    200918 V06  0.1-  0.2+
    200917 G96  0.1-  0.6-    200917 L01  0.1+  0.4-    200918 V06  0.2+  0.0
    200917 G96  0.5+  1.0+    200917 204  0.3-  0.0     200918 G96  0.6-  0.9-
    200917 I52  0.1+  0.1-    200918 204  0.2+  0.3-    200918 G96  0.7+  0.2+
    200917 I52  0.1+  0.6+    200918 J95  0.1-  0.8-    200918 G96  0.5+  0.6+
    200917 I52  0.0   0.1-    200918 J95  0.2-  0.5+
    200917 L01  0.1+  0.1-    200918 V06  0.0   0.0
    
    Ephemeris:
    2020 SB1                 a,e,i = 1.36, 0.33, 2                   q = 0.9033
    Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
    2020 08 20    12 21 37.4 -09 08 11   0.1257  0.9220    41.8   133.0    29.5
    ...
    2020 09 04    12 22 17.1 -07 03 16   0.04998 0.9640    26.6   152.1    30.5
    ...
    2020 09 12    11 47 11.1 +10 18 33   0.01241 0.9942     8.9   171.0
    ...
    2020 09 18    01 08 33.3 +27 06 36   0.01822 1.0197   144.4    35.0    21.0
    2020 09 19    01 00 31.3 +24 00 00   0.02282 1.0242   148.8    30.6    21.4
    2020 09 20    00 55 22.0 +21 54 35   0.02749 1.0287   152.0    27.3    21.7
    ...
    2020 09 26    00 42 55.0 +16 34 22   0.05626 1.0565   162.8    16.3    22.9
    ...
    2020 10 04    00 37 49.7 +14 10 42   0.09649 1.0955   170.1     9.0    23.9
    ...
    2020 10 19    00 35 52.2 +12 09 17   0.1812  1.1721   165.2    12.6    25.6
    
    M. P. C. Staff               (C) Copyright 2020 MPC           M.P.E.C. 2020-S91
    


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