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  • MPEC 2017-W104: 2017 WO2

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    M.P.E.C. 2017-W104                               Issued 2017 Nov. 21, 15:24 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 WO2
    
    Observations:
         K17W02O* C2017 11 19.34895 03 32 51.519+26 28 34.68         21.0 wLEW104F51
         K17W02O  C2017 11 19.36074 03 32 53.048+26 28 13.18         20.9 wLEW104F51
         K17W02O  C2017 11 19.37252 03 32 54.548+26 27 51.42         21.1 wLEW104F51
         K17W02O  C2017 11 20.21591 03 35 25.32 +26 01 52.1          20.7 RoEW104926
         K17W02O  C2017 11 20.22146 03 35 25.88 +26 01 44.0          20.8 RoEW104926
         K17W02O  C2017 11 20.22539 03 35 26.29 +26 01 37.5          20.7 RoEW104926
         K17W02O  C2017 11 20.33140 03 35 36.77 +25 58 45.7          20.9 GUEW104I52
         K17W02O  C2017 11 20.33267 03 35 36.90 +25 58 43.3          21.0 GUEW104I52
         K17W02O  C2017 11 20.33393 03 35 37.04 +25 58 41.6          20.3 GUEW104I52
         K17W02O  C2017 11 20.33523 03 35 37.17 +25 58 39.4          21.0 GUEW104I52
         K17W02O _C2017 11 20.48683803 35 58.471+25 55 07.68         20.7 GUEW104568
         K17W02O _C2017 11 20.48778203 35 58.561+25 55 06.08         20.2 GUEW104568
         K17W02O _C2017 11 20.48889403 35 58.660+25 55 04.23         20.7 GUEW104568
         K17W02O  C2017 11 21.34233 03 37 57.64 +25 34 14.8          21.4 RoEW104926
         K17W02O  C2017 11 21.35517 03 37 58.57 +25 33 56.5          21.1 RoEW104926
         K17W02O KC2017 11 21.36771 03 37 59.64 +25 33 38.0                oEW104691
         K17W02O  C2017 11 21.37031 03 37 59.72 +25 33 34.9          21.0 RoEW104926
         K17W02O KC2017 11 21.40059 03 38 02.32 +25 32 48.5                oEW104691
         K17W02O KC2017 11 21.43361 03 38 05.15 +25 31 58.8                oEW104691
    
    Observer details:
    568 Mauna Kea.  Observers R. J. Wainscoat, D. Woodworth.  Measurers M. Micheli,
        R. J. Wainscoat.  3.6-m Canada-France-Hawaii Telescope + CCD.
    691 Steward Observatory, Kitt Peak.  Observer M. T. Read.  0.9-m f/3 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.
    I52 Steward Observatory, Mt. Lemmon Station.  Observer R. A. Kowalski.
        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.
    
    Orbital elements:
    2017 WO2                                                 Earth MOID = 0.0050 AU
    Epoch 2017 Sept. 4.0 TT = JDT 2458000.5                 MPC
    M 347.23506              (2000.0)            P               Q
    n   0.57186591     Peri.  324.77577     +0.96705302     +0.25454697
    a   1.4374958      Node    20.47848     -0.23101861     +0.88371197
    e   0.4244008      Incl.    0.61920     -0.10695261     +0.39275819
    P   1.72           H   26.6           G   0.15           U   7
    Residuals in seconds of arc
    171119 F51  0.1-  0.0     171120 I52  0.2-  0.4-    171121 926  0.2-  0.0
    171119 F51  0.0   0.0     171120 I52  0.0   0.0     171121 691  0.3-  0.5+
    171119 F51  0.0   0.0     171120 I52  0.0   0.0     171121 926  0.4-  0.4+
    171120 926  0.4+  0.5+    171120 568  0.1+  0.2-    171121 691  0.3+  0.5-
    171120 926  0.0   0.6+    171120 568  0.1+  0.1-    171121 691  0.0   0.2-
    171120 926  0.0   0.0     171120 568  0.1+  0.1-
    171120 I52  0.3-  0.2-    171121 926  0.3+  0.0
    
    Ephemeris:
    2017 WO2                 a,e,i = 1.44, 0.42, 1                   q = 0.8274
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2017 10 22    16 00 26.7 -20 22 00   0.1372  0.8843    33.6   141.5    29.1
    ...
    2017 11 06    16 31 54.2 -15 32 05   0.03591 0.9591    25.9   153.2    28.4
    ...
    2017 11 14    02 36 51.0 +34 14 03   0.01803 1.0066   161.6    18.0    18.8
    ...
    2017 11 20    03 34 45.2 +26 08 17   0.05653 1.0443   173.3     6.3    20.9
    2017 11 21    03 37 15.7 +25 42 18   0.06314 1.0507   173.8     5.8    21.2
    2017 11 22    03 39 17.3 +25 20 53   0.06980 1.0572   174.2     5.4    21.4
    ...
    2017 11 28    03 46 24.3 +24 03 32   0.1108  1.0966   172.8     6.5    22.5
    ...
    2017 12 06    03 51 17.8 +23 16 39   0.1687  1.1501   166.5    11.5    23.7
    ...
    2017 12 21    03 59 34.3 +22 44 14   0.2914  1.2510   153.3    20.7    25.4
    
    A. U. Tomatic                (C) Copyright 2017 MPC           M.P.E.C. 2017-W104
    

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