• MPC Preparation (Info)

  • MPEC 2017-X92 : 2017 XC1

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    M.P.E.C. 2017-X92                                Issued 2017 Dec. 11, 02:32 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 XC1
    
    Observations:
         K17X01C* C2017 12 08.23155 01 37 57.618-23 37 31.30         20.8 wUEX092F51
         K17X01C  C2017 12 08.24274 01 37 56.797-23 36 26.25         21.1 wUEX092F51
         K17X01C  C2017 12 08.25398 01 37 55.965-23 35 21.16         21.1 wUEX092F51
         K17X01C  C2017 12 08.26519 01 37 55.133-23 34 16.03         21.3 wUEX092F51
         K17X01C KC2017 12 08.84260301 37 17.33 -22 38 05.2          20.6 GUEX092K91
         K17X01C KC2017 12 08.84712401 37 17.01 -22 37 38.5          20.6 GUEX092K91
         K17X01C KC2017 12 08.85164401 37 16.69 -22 37 12.4          20.7 GUEX092K91
         K17X01C KC2017 12 08.85524901 37 16.44 -22 36 51.4          20.7 GUEX092K91
         K17X01C  C2017 12 09.12851 01 37 00.04 -22 10 40.9          20.6 RoEX092926
         K17X01C  C2017 12 09.13221 01 36 59.81 -22 10 19.1          20.5 RoEX092926
         K17X01C  C2017 12 09.13590 01 36 59.51 -22 09 58.1          20.8 RoEX092926
         K17X01C KC2017 12 09.15793 01 36 58.06 -22 07 49.5          21.4 RoEX092291
         K17X01C KC2017 12 09.16115 01 36 57.77 -22 07 31.5          20.8 RoEX092291
         K17X01C KC2017 12 09.16440 01 36 57.59 -22 07 12.0          21.7 RoEX092291
         K17X01C  C2017 12 09.17109 01 36 57.12 -22 06 34.5          21.6 GUEX092I52
         K17X01C  C2017 12 09.17366 01 36 56.90 -22 06 20.4          22.2 GUEX092I52
         K17X01C  C2017 12 09.17623 01 36 56.76 -22 06 03.5          20.5 GUEX092I52
         K17X01C  C2017 12 09.17880 01 36 56.59 -22 05 48.4          21.2 GUEX092I52
         K17X01C  C2017 12 10.20911901 35 55.98 -20 26 05.5          21.1 GUEX092H01
         K17X01C  C2017 12 10.21221101 35 55.79 -20 25 47.5          20.0 GUEX092H01
         K17X01C  C2017 12 10.22230201 35 55.16 -20 24 48.9          21.2 GUEX092H01
         K17X01C  C2017 12 10.23076401 35 54.65 -20 23 59.7          20.3 GUEX092H01
    
    Observer details:
    291 LPL/Spacewatch II.  Observer R. A. Mastaler.  1.8-m f/2.7 reflector + CCD.
    926 Tenagra II Observatory.  Observers M. Schwartz, P. R. Holvorcem.  Measurer
        M. Schwartz.  0.81-m f/7 Ritchey-Chretien + 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.
    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 R. G. Matheny.
        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.
    K91 Sutherland-LCO A.  Observers T. Lister, S. Greenstreet, E. Gomez,
        J. Chatelain.  Measurer T. Lister.  1.0-m f/8 Ritchey-Chretien + CCD.
    
    Orbital elements:
    2017 XC1                                                 Earth MOID = 0.3028 AU
    Epoch 2017 Sept. 4.0 TT = JDT 2458000.5                 MPC
    M 327.48322              (2000.0)            P               Q
    n   0.40938648     Peri.  329.41506     +0.63009472     -0.45904259
    a   1.7963063      Node    72.00913     +0.77598547     +0.40210154
    e   0.3030083      Incl.   41.18589     -0.02876092     +0.79220846
    P   2.41           H   20.3           G   0.15           U   9
    Residuals in seconds of arc
    171208 F51  0.2+  0.0     171209 926  0.2+  0.1+    171209 I52  0.1-  0.4+
    171208 F51  0.2+  0.2+    171209 926  0.5+  0.4+    171209 I52  0.0   0.6+
    171208 F51  0.2+  0.1+    171209 926  0.2-  0.0     171210 H01  0.4+  0.2+
    171208 F51  0.1+  0.2+    171209 291  0.4+  0.7+    171210 H01  0.4+  0.2+
    171208 K91  0.3+  0.1-    171209 291  0.6-  0.0     171210 H01  0.3+  0.1+
    171208 K91  0.2+  0.2+    171209 291  0.0   0.6+    171210 H01  0.5+  0.1+
    171208 K91  0.1+  0.0     171209 I52  0.0   0.7-
    171208 K91  0.1+  0.0     171209 I52  0.6-  1.6-
    
    Ephemeris:
    2017 XC1                 a,e,i = 1.80, 0.30, 41                  q = 1.2520
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2017 11 11    02 50 55.1 -58 49 32   0.5717  1.2557   103.8    50.0    21.4
    ...
    2017 11 26    01 59 10.0 -42 22 38   0.5018  1.2524   110.2    47.7    21.1
    ...
    2017 12 04    01 43 28.8 -30 24 07   0.4894  1.2558   112.3    46.6    21.0
    ...
    2017 12 10    01 36 08.2 -20 46 10   0.4956  1.2608   112.5    46.2    21.0
    2017 12 11    01 35 13.8 -19 09 34   0.4980  1.2618   112.4    46.2    21.0
    2017 12 12    01 34 24.3 -17 33 21   0.5008  1.2629   112.3    46.2    21.1
    ...
    2017 12 18    01 31 05.6 -08 12 13   0.5253  1.2704   111.0    46.3    21.2
    ...
    2017 12 26    01 30 27.4 +03 03 02   0.5770  1.2834   107.8    46.9    21.4
    ...
    2018 01 10    01 38 17.2 +19 29 25   0.7159  1.3159   100.3    47.3    22.0
    
    A. U. Tomatic                (C) Copyright 2017 MPC           M.P.E.C. 2017-X92
    

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