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  • MPEC 2017-T24 : 2017 SO21

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    M.P.E.C. 2017-T24                                Issued 2017 Oct. 7, 22:12 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
    
                                       2017 SO21
    
    Observations:
         K17S21O* C2017 09 30.44452 01 35 31.56 +25 29 50.7          20.2 VqET024G96
         K17S21O  C2017 09 30.47286 01 35 38.49 +25 23 01.0          20.1 VqET024G96
         K17S21O  C2017 09 30.47763 01 35 39.69 +25 21 52.5          20.1 VqET024G96
         K17S21O  C2017 09 30.48237 01 35 40.89 +25 20 43.1          20.2 VqET024G96
         K17S21O  C2017 09 30.49167 01 35 43.26 +25 18 28.0          20.1 VqET024G96
         K17S21O  C2017 09 30.49208 01 35 43.36 +25 18 22.4          20.0 VqET024G96
         K17S21O  C2017 09 30.49248 01 35 43.44 +25 18 17.0          19.7 VqET024G96
         K17S21O  C2017 09 30.49289 01 35 43.56 +25 18 10.6          19.9 VqET024G96
         K17S21O  C2017 09 30.51759 01 35 50.02 +25 12 10.7                qET024G96
         K17S21O  C2017 09 30.51822 01 35 50.19 +25 12 01.0          19.5 VqET024G96
         K17S21O  C2017 09 30.51863 01 35 50.27 +25 11 54.8          19.4 VqET024G96
         K17S21O  C2017 09 30.51926 01 35 50.48 +25 11 46.5                qET024G96
         K17S21O KC2017 10 01.04997 01 38 38.79 +23 03 53.6          18.9  oET024K88
         K17S21O KC2017 10 01.05401 01 38 39.80 +23 02 54.1          19.1  oET024K88
         K17S21O KC2017 10 01.05805 01 38 40.78 +23 01 54.5          19.2  oET024K88
         K17S21O  C2017 10 01.15814 01 39 27.03 +22 37 39.8          19.6 VqET024G96
         K17S21O  C2017 10 01.15879 01 39 27.21 +22 37 30.7          20.3 VqET024G96
         K17S21O  C2017 10 01.15944 01 39 27.39 +22 37 21.3          20.3 VqET024G96
         K17S21O  C2017 10 01.16010 01 39 27.55 +22 37 12.0          20.1 VqET024G96
         K17S21O KC2017 10 01.21047901 39 36.30 +22 25 00.2          20.3 VuET024H21
         K17S21O KC2017 10 01.21733201 39 37.93 +22 23 20.5          20.0 VuET024H21
         K17S21O KC2017 10 01.22490001 39 39.70 +22 21 29.8          20.1 VuET024H21
         K17S21O  C2017 10 01.28524 01 39 58.50 +22 07 04.2          19.3 RoET024926
         K17S21O  C2017 10 01.28743 01 39 59.01 +22 06 31.9          19.5 RoET024926
         K17S21O  C2017 10 01.28963 01 39 59.51 +22 05 59.7          19.4 RoET024926
         K17S21O KC2017 10 01.99105 01 43 23.48 +19 08 58.6          18.5  oET024K88
         K17S21O KC2017 10 01.99604 01 43 24.67 +19 07 42.6          18.8  oET024K88
         K17S21O  C2017 10 02.22380 01 44 41.26 +18 09 54.8                qET024G96
         K17S21O  C2017 10 02.22421 01 44 41.32 +18 09 49.2          18.0 VqET024G96
         K17S21O  C2017 10 02.22461 01 44 41.44 +18 09 42.6          18.1 VqET024G96
         K17S21O  C2017 10 02.22503 01 44 41.52 +18 09 36.2          18.1 VqET024G96
         K17S21O  C2017 10 02.24199 01 44 45.60 +18 05 21.6          19.0 RoET024926
         K17S21O  C2017 10 02.24410 01 44 46.10 +18 04 49.2          19.1 RoET024926
         K17S21O  C2017 10 02.24620 01 44 46.53 +18 04 17.0          19.0 RoET024926
         K17S21O KC2017 10 03.08977 01 48 41.45 +14 22 47.3                qET024J95
         K17S21O KC2017 10 03.09442 01 48 42.52 +14 21 34.2                qET024J95
         K17S21O KC2017 10 03.10012 01 48 43.89 +14 20 02.3          19.1 RqET024J95
         K17S21O  C2017 10 03.24243 01 49 35.54 +13 43 15.1          19.0 RoET024926
         K17S21O  C2017 10 03.24422 01 49 35.97 +13 42 46.3          19.2 RoET024926
         K17S21O  C2017 10 03.24603 01 49 36.38 +13 42 18.5          19.3 RoET024926
         K17S21O  C2017 10 03.33674 01 49 55.70 +13 18 14.9          19.5 VqET024G96
         K17S21O  C2017 10 03.33717 01 49 55.82 +13 18 07.3          19.8 VqET024G96
         K17S21O  C2017 10 03.33757 01 49 55.90 +13 18 01.6          19.8 VqET024G96
         K17S21O  C2017 10 03.33815 01 49 56.00 +13 17 52.3          19.9 VqET024G96
         K17S21O  C2017 10 03.43503 01 50 16.40 +12 51 57.0          19.4 VqET024G96
         K17S21O  C2017 10 03.43545 01 50 16.51 +12 51 50.3          19.5 VqET024G96
         K17S21O  C2017 10 03.43585 01 50 16.62 +12 51 43.7          19.5 VqET024G96
         K17S21O  C2017 10 03.43627 01 50 16.68 +12 51 36.9          19.8 VqET024G96
         K17S21O  C2017 10 04.37257 01 54 44.34 +08 39 50.6          19.3 RoET024926
         K17S21O  C2017 10 04.37439 01 54 44.72 +08 39 20.9          19.2 RoET024926
         K17S21O  C2017 10 04.37619 01 54 45.07 +08 38 51.3          19.2 RoET024926
         K17S21O KC2017 10 07.00907 02 06 27.73 -03 08 17.4          18.5 RqET024203
         K17S21O KC2017 10 07.03358 02 06 32.47 -03 14 41.8          18.5 RqET024203
    
    Observer details:
    203 GiaGa Observatory.  Observers S. Foglia, G. Galli.  Measurer G. Galli.
        0.28-m f/6.8 Schmidt-Cassegrain + CCD.
    926 Tenagra II Observatory.  Observers M. Schwartz, P. R. Holvorcem.  Measurer
        M. Schwartz.  0.81-m f/7 Ritchey-Chretien + CCD.
    G96 Mt. Lemmon Survey.  Observers D. C. Fuls, J. A. Johnson.  Measurers
        E. J. Christensen, D. C. Fuls, A. R. Gibbs, A. D. Grauer, J. A. Johnson,
        R. A. Kowalski, S. M. Larson, G. J. Leonard, R. G. Matheny, R. L. Seaman,
        F. C. Shelly.  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.
    J95 Great Shefford.  Observer P. Birtwhistle.  0.40-m f/6.0 Schmidt-Cassegrain
        + CCD.
    K88 GINOP-KHK, Piszkesteto.  Observers O. Hanyecz, K. Sarneczky.  Measurer
        K. Sarneczky.  0.60-m Schmidt + CCD.
    
    Orbital elements:
    2017 SO21                                                Earth MOID = 0.0392 AU
    Epoch 2017 Sept. 4.0 TT = JDT 2458000.5                 MPC
    M 306.14806              (2000.0)            P               Q
    n   0.89624653     Peri.  208.68445     +0.76860731     -0.63862126
    a   1.0654123      Node   191.24274     +0.61750670     +0.75595266
    e   0.0278554      Incl.   11.08722     +0.16711759     +0.14386960
    P   1.10           H   25.5           G   0.15           U   5
    Residuals in seconds of arc
    170930 G96  0.1+  0.1-    171001 G96  0.0   0.1+    171003 J95  0.1+  0.4-
    170930 G96  0.0   0.4-    171001 H21  0.1-  0.1+    171003 926  0.3-  0.1+
    170930 G96  0.1+  0.2+    171001 H21  0.1+  0.4+    171003 926  0.1+  0.4-
    170930 G96  0.2+  0.4-    171001 H21  0.1+  0.3+    171003 926  0.2+  0.3+
    170930 G96  0.2+  0.4-    171001 926  0.3-  0.3+    171003 G96  0.2-  0.2-
    170930 G96  0.1+  0.0     171001 926  0.1-  0.1+    171003 G96  0.3+  0.9-
    170930 G96  0.2-  0.4+    171001 926  0.1-  0.1+    171003 G96  0.2+  0.2-
    170930 G96  0.0   0.1-    171001 K88  0.4-  0.4+    171003 G96  0.1-  0.3-
    170930 G96  0.0   0.1-    171001 K88  0.0   0.9+    171003 G96  0.1+  0.2+
    170930 G96  0.0   0.6-    171002 G96  0.6+  0.0     171003 G96  0.4+  0.3+
    170930 G96  0.4-  0.8-    171002 G96  0.0   0.6+    171003 G96  0.7+  0.2+
    170930 G96  0.2+  0.1+    171002 G96  0.4+  0.1+    171003 G96  0.3+  0.1+
    171001 K88  0.1+  0.2+    171002 G96  0.1+  0.1+    171004 926  0.0   0.2+
    171001 K88  0.4+  0.4+    171002 926  0.1-  0.3+    171004 926  0.2+  0.1+
    171001 K88  0.2+  0.5+    171002 926  0.1+  0.0     171004 926  0.1+  0.2-
    171001 G96  0.1+  0.2-    171002 926  0.7-  0.2-    171007 203  0.1-  0.1+
    171001 G96  0.2+  0.1+    171003 J95  0.4-  0.5-    171007 203  0.4+  0.2+
    171001 G96  0.2+  0.0     171003 J95  0.5-  0.5+
    
    Ephemeris:
    2017 SO21                a,e,i = 1.07, 0.03, 11                  q = 1.0357
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2017 09 07    23 32 00.1 +63 13 28   0.1013  1.0473   110.4    64.4    22.9
    ...
    2017 09 22    00 49 57.1 +49 31 07   0.05979 1.0422   128.7    48.7    21.3
    ...
    2017 09 30    01 33 21.9 +27 13 52   0.04404 1.0400   150.5    28.3    20.1
    ...
    2017 10 06    02 02 05.6 +01 21 58   0.04109 1.0386   160.8    18.4    19.6
    2017 10 07    02 06 24.6 -03 03 05   0.04157 1.0384   159.2    20.0    19.7
    2017 10 08    02 10 34.5 -07 19 55   0.04233 1.0382   156.8    22.2    19.8
    ...
    2017 10 14    02 32 17.2 -28 15 24   0.05156 1.0371   139.3    38.8    20.7
    ...
    2017 10 22    02 52 58.6 -43 38 23   0.07115 1.0361   123.3    53.4    21.8
    ...
    2017 11 06    03 14 32.4 -53 54 12   0.1133  1.0353   109.9    64.2    23.1
    
    A. U. Tomatic                (C) Copyright 2017 MPC           M.P.E.C. 2017-T24
    

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