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  • MPEC 2017-X147: 2017 XS60

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    M.P.E.C. 2017-X147                               Issued 2017 Dec. 15, 22:05 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 XS60
    
    Observations:
         K17X60S* C2017 12 14.21619 02 50 08.37 +16 01 50.3          20.4 GUEX147G96
         K17X60S  C2017 12 14.22136 02 50 19.71 +15 58 51.2          20.2 GUEX147G96
         K17X60S  C2017 12 14.22653 02 50 31.12 +15 55 48.8          21.8 GUEX147G96
         K17X60S  C2017 12 14.23170 02 50 42.53 +15 52 47.7          20.0 GUEX147G96
         K17X60S  C2017 12 14.24669702 51 14.20 +15 44 08.6          19.9 GUEX147H01
         K17X60S  C2017 12 14.25639302 51 35.22 +15 38 35.1          20.5 GUEX147H01
         K17X60S  C2017 12 14.25959802 51 42.13 +15 36 45.2          20.4 GUEX147H01
         K17X60S  C2017 12 14.27620802 52 17.93 +15 27 16.1          19.8 GUEX147H01
         K17X60S  C2017 12 14.31440 02 53 40.02 +15 05 44.3          20.3 GUEX147I52
         K17X60S  C2017 12 14.31659 02 53 44.68 +15 04 29.6          20.1 GUEX147I52
         K17X60S  C2017 12 14.31769 02 53 47.06 +15 03 53.1          20.1 GUEX147I52
         K17X60S  C2017 12 14.85396 03 11 27.75 +10 25 09.8          20.3 VSEX147033
         K17X60S  C2017 12 14.85544 03 11 30.29 +10 24 27.4          20.6 VSEX147033
         K17X60S  C2017 12 14.85693 03 11 32.81 +10 23 45.0          20.1 VSEX147033
         K17X60S  C2017 12 14.85841 03 11 35.35 +10 23 02.5          20.3 VSEX147033
         K17X60S  C2017 12 14.92594 03 13 29.07 +09 51 14.0          20.8 VSEX147033
         K17X60S  C2017 12 14.92777 03 13 32.10 +09 50 22.8          21.0 VSEX147033
         K17X60S  C2017 12 14.92961 03 13 35.17 +09 49 31.6          20.3 VSEX147033
         K17X60S KC2017 12 14.97669503 14 54.59 +09 27 45.2                UEX147J95
         K17X60S KC2017 12 15.00197303 15 35.75 +09 16 12.1          21.1 GUEX147J95
         K17X60S  C2017 12 15.17041 03 20 15.05 +08 02 35.1          21.1 GUEX147I52
         K17X60S  C2017 12 15.17209 03 20 17.61 +08 01 50.2          21.3 GUEX147I52
         K17X60S  C2017 12 15.17377 03 20 20.11 +08 01 08.1          21.1 GUEX147I52
         K17X60S  C2017 12 15.17545 03 20 22.60 +08 00 24.7          20.4 GUEX147I52
         K17X60S  C2017 12 15.18536 03 20 37.38 +07 56 13.4          21.0 RoEX147926
         K17X60S  C2017 12 15.18836 03 20 41.86 +07 54 55.8          21.5 RoEX147926
         K17X60S  C2017 12 15.19137 03 20 46.34 +07 53 38.7          21.2 RoEX147926
    
    Observer details:
    033 Karl Schwarzschild Observatory, Tautenburg.  Observers C. Hoegner,
        B. Stecklum.  Measurer B. Stecklum.  1.34-m f/3 Schmidt + 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.  Observer D. C. Fuls.  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.
    H01 Magdalena Ridge Observatory, Socorro.  Observers W. H. Ryan, E. V. Ryan.
        Measurer W. H. Ryan.  2.4-m f/8.9 reflector + CCD.
    I52 Steward Observatory, Mt. Lemmon Station.  Observer E. J. Christensen.
        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.  1.0-m reflector + CCD.
    J95 Great Shefford.  Observer P. Birtwhistle.  0.40-m f/6.0 Schmidt-Cassegrain
        + CCD.
    
    Orbital elements:
    2017 XS60                                                Earth MOID = 0.0247 AU
    Epoch 2017 Sept. 4.0 TT = JDT 2458000.5                 MPC
    M 334.74638              (2000.0)            P               Q
    n   0.44840593     Peri.  118.01734     +0.86160871     -0.27701653
    a   1.6905259      Node   260.78269     +0.15702770     +0.94230667
    e   0.5061637      Incl.   25.52328     +0.48267249     +0.18793613
    P   2.20           H   26.2           G   0.15           U   8
    Residuals in seconds of arc
    171214 G96  1.2-  1.4+    171214 I52  0.3+  0.4-    171214 J95  0.2-  0.3+
    171214 G96  0.7-  1.3+    171214 I52  1.0+  0.3+    171215 J95  0.4-  1.0+
    171214 G96 (1.0+  2.3-)   171214 033  0.5+  0.3-    171215 I52  0.2+  0.2+
    171214 G96 (3.1+  4.8-)   171214 033  0.7+  0.4-    171215 I52  0.8+  1.4-
    171214 H01  0.0   0.2-    171214 033  0.3+  0.2-    171215 I52  0.6+  0.2-
    171214 H01  0.3+  0.3-    171214 033  0.6+  0.5-    171215 I52  0.3+  0.3-
    171214 H01  0.1+  0.2-    171214 033  0.3+  0.2+    171215 926  0.2-  0.4+
    171214 H01  0.2+  0.3-    171214 033  0.0   0.2+    171215 926  0.1+  0.2-
    171214 I52  0.2+  0.1+    171214 033  0.2+  0.5+    171215 926  0.2+  0.0
    
    Ephemeris:
    2017 XS60                a,e,i = 1.69, 0.51, 26                  q = 0.8348
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2017 11 15    17 39 01.3 +26 40 19   0.2956  0.8606    56.2   107.2    27.2
    ...
    2017 11 30    18 11 37.9 +33 31 49   0.1371  0.9272    60.8   111.8    26.0
    ...
    2017 12 08    19 49 58.5 +44 47 29   0.05641 0.9749    78.0    98.8    23.5
    ...
    2017 12 14    02 41 35.2 +18 11 33   0.03815 1.0146   141.6    37.1    20.6
    2017 12 15    03 15 35.8 +09 19 41   0.04487 1.0215   145.2    33.4    20.9
    2017 12 16    03 38 52.6 +02 51 33   0.05307 1.0284   145.5    32.8    21.3
    ...
    2017 12 22    04 36 12.4 -12 35 09   0.1133  1.0712   138.5    37.5    23.1
    ...
    2017 12 30    04 58 49.2 -17 05 46   0.2012  1.1308   133.3    39.3    24.5
    ...
    2018 01 14    05 17 13.5 -17 44 47   0.3741  1.2463   127.3    38.9    26.1
    
    A. U. Tomatic                (C) Copyright 2017 MPC           M.P.E.C. 2017-X147
    

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