• MPC Preparation (Info)

  • MPEC 2017-X99 : 2017 XF1

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    M.P.E.C. 2017-X99                                Issued 2017 Dec. 11, 03:08 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 XF1
    
    Observations:
         K17X01F* C2017 12 08.27315 03 07 11.673+20 08 00.74         22.2 wUEX099F51
         K17X01F  C2017 12 08.28790 03 07 12.624+20 07 51.18         22.2 wUEX099F51
         K17X01F  C2017 12 08.30260 03 07 13.565+20 07 41.71         22.2 wUEX099F51
         K17X01F  C2017 12 08.31738 03 07 14.514+20 07 32.38         22.0 wUEX099F51
         K17X01F KC2017 12 09.23588 03 08 24.26 +19 57 26.3          21.6 RoEX099291
         K17X01F KC2017 12 09.24599 03 08 24.94 +19 57 20.0          21.4 RoEX099291
         K17X01F KC2017 12 09.25608 03 08 25.62 +19 57 13.5          21.9 RoEX099291
         K17X01F _C2017 12 09.37867403 08 35.174+19 55 59.31         22.1 GUEX099568
         K17X01F _C2017 12 09.37985003 08 35.250+19 55 58.52         22.0 GUEX099568
         K17X01F _C2017 12 09.38102303 08 35.330+19 55 57.75         21.9 GUEX099568
         K17X01F KC2017 12 10.14415103 09 36.82 +19 47 33.8          22.1 VuEX099H21
         K17X01F KC2017 12 10.15808003 09 37.80 +19 47 24.8          22.4 VuEX099H21
         K17X01F KC2017 12 10.17235903 09 38.84 +19 47 15.5          22.2 VuEX099H21
    
    Observer details:
    291 LPL/Spacewatch II.  Observer R. A. Mastaler.  1.8-m f/2.7 reflector + CCD.
    568 Mauna Kea.  Observers R. J. Wainscoat, C. Wipper.  Measurers M. Micheli,
        R. J. Wainscoat.  3.6-m Canada-France-Hawaii Telescope + CCD.
    F51 Pan-STARRS 1, Haleakala.  Observers J. Bulger, T. Lowe, A. Schultz,
        M. Willman.  Measurers K. Chambers, S. Chastel, L. Denneau, H. Flewelling,
        M. Huber, E. Lilly, E. Magnier, R. Wainscoat, C. Waters, 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.  1.3-m f/4.0
        astrograph + CCD.
    
    Orbital elements:
    2017 XF1                                                 Earth MOID = 0.2664 AU
    Epoch 2017 Sept. 4.0 TT = JDT 2458000.5                 MPC
    M 334.05751              (2000.0)            P               Q
    n   0.22332901     Peri.  189.88936     +0.03555704     -0.99670137
    a   2.6905390      Node   258.09975     +0.92191997     +0.06089069
    e   0.5358415      Incl.    4.27565     +0.38574507     -0.05365355
    P   4.41           H   23.2           G   0.15           U   8
    Residuals in seconds of arc
    171208 F51  0.2-  0.2+    171209 291  0.1-  0.0     171210 H21  0.1+  0.1+
    171208 F51  0.1-  0.0     171209 291  0.1-  0.2+    171210 H21  0.1-  0.1+
    171208 F51  0.1-  0.2-    171209 568  0.1-  0.1-    171210 H21  0.1+  0.1+
    171208 F51  0.1+  0.0     171209 568  0.2-  0.2-
    171209 291  0.1-  0.4-    171209 568  0.2-  0.1-
    
    Ephemeris:
    2017 XF1                 a,e,i = 2.69, 0.54, 4                   q = 1.2488
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2017 11 11    02 50 27.8 +24 32 52   0.3712  1.3587   172.1     5.7    22.2
    ...
    2017 11 26    02 55 54.1 +22 22 13   0.3260  1.3028   163.5    12.4    22.1
    ...
    2017 12 04    03 02 21.4 +20 55 10   0.3137  1.2804   157.0    17.5    22.1
    ...
    2017 12 10    03 09 25.0 +19 49 17   0.3095  1.2673   152.4    21.1    22.2
    2017 12 11    03 10 47.3 +19 38 33   0.3091  1.2654   151.7    21.6    22.2
    2017 12 12    03 12 13.1 +19 27 56   0.3089  1.2637   151.0    22.2    22.2
    ...
    2017 12 18    03 22 00.3 +18 27 29   0.3100  1.2551   146.9    25.4    22.3
    ...
    2017 12 26    03 38 10.7 +17 18 53   0.3173  1.2493   142.1    28.9    22.5
    ...
    2018 01 10    04 16 13.0 +15 54 23   0.3492  1.2559   135.3    33.4    22.8
    
    A. U. Tomatic                (C) Copyright 2017 MPC           M.P.E.C. 2017-X99
    

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