• MPC Preparation (Info)

  • MPEC 2017-W87 : 2017 WP1

    The following Minor Planet Electronic Circular may be linked-to from your own Web pages, but must not otherwise be redistributed electronically.

    A form allowing access to any MPEC is at the bottom of this page.


    Read MPEC 2017-W86 Read MPEC 2017-W88


    M.P.E.C. 2017-W87                                Issued 2017 Nov. 20, 20:38 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 WP1
    
    Observations:
         K17W01P* C2017 11 18.38411 04 34 23.832+13 45 57.11         20.8 wLEW087F51
         K17W01P  C2017 11 18.39712 04 34 28.138+13 46 04.96         20.5 wLEW087F51
         K17W01P  C2017 11 18.42319 04 34 36.705+13 46 20.19         20.3 wLEW087F51
         K17W01P  C2017 11 19.23688 04 39 43.33 +13 53 27.8          20.3 RoEW087926
         K17W01P  C2017 11 19.24529 04 39 46.33 +13 53 32.5          20.1 RoEW087926
         K17W01P  C2017 11 19.25361 04 39 49.28 +13 53 38.4          20.6 RoEW087926
         K17W01P  C2017 11 19.38755 04 40 41.158+13 55 11.16         20.5 wLEW087F51
         K17W01P  C2017 11 19.39959 04 40 45.427+13 55 18.67         20.9 wLEW087F51
         K17W01P  C2017 11 19.41162 04 40 49.675+13 55 26.05         20.4 wLEW087F51
         K17W01P KC2017 11 19.42466 04 40 49.92 +13 55 13.6                oEW087691
         K17W01P KC2017 11 19.43964 04 40 55.34 +13 55 20.6                oEW087691
         K17W01P KC2017 11 19.45461 04 41 00.77 +13 55 28.1                oEW087691
         K17W01P  C2017 11 19.46445 04 41 04.24 +13 55 31.9          19.8 GUEW087I52
         K17W01P  C2017 11 19.46521 04 41 04.53 +13 55 32.0          19.8 GUEW087I52
         K17W01P  C2017 11 19.46597 04 41 04.87 +13 55 32.2          19.0 GUEW087I52
         K17W01P  C2017 11 19.46673 04 41 05.05 +13 55 32.7                UEW087I52
         K17W01P KC2017 11 19.96249 04 44 28.23 +14 00 00.5          20.3 VqEW087I93
         K17W01P KC2017 11 19.96637 04 44 29.74 +14 00 01.7          20.2 VqEW087I93
         K17W01P KC2017 11 19.97052 04 44 31.30 +14 00 04.6          20.1 VqEW087I93
         K17W01P KC2017 11 19.98725 04 44 36.71 +14 00 15.9          19.9  UEW087K63
         K17W01P KC2017 11 20.00848 04 44 44.70 +14 00 28.5          19.8  UEW087K63
         K17W01P KC2017 11 20.01334 04 44 46.51 +14 00 31.3          19.4  UEW087K63
         K17W01P KC2017 11 20.27898304 46 35.49 +14 03 10.7          20.2 VuEW087H21
         K17W01P KC2017 11 20.28189104 46 36.58 +14 03 11.9          20.5 VuEW087H21
         K17W01P KC2017 11 20.28479704 46 37.69 +14 03 13.6          20.2 VuEW087H21
    
    Observer details:
    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.
    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.
    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.
    I93 St Pardon de Conques.  Observer F. Losse.  0.40-m f/3.7 reflector + CCD.
    K63 G. Pascoli Observatory, Castelvecchio Pascoli.  Observer R. Bacci.  0.40-m
        f/3.2 Newtonian reflector + CCD.
    
    Orbital elements:
    2017 WP1                                                 Earth MOID = 0.0297 AU
    Epoch 2017 Sept. 4.0 TT = JDT 2458000.5                 MPC
    M 313.31229              (2000.0)            P               Q
    n   0.42462530     Peri.    2.49128     -0.09198653     -0.99553083
    a   1.7530682      Node    92.78719     +0.91322177     -0.09289905
    e   0.4227821      Incl.    1.22619     +0.39694393     -0.01697467
    P   2.32           H   24.6           G   0.15           U   7
    Residuals in seconds of arc
    171118 F51  0.0   0.1-    171119 691  0.1+  0.1+    171119 I93  0.1+  0.1-
    171118 F51  0.1+  0.0     171119 691  0.5+  0.3-    171119 K63  0.1-  0.3-
    171118 F51  0.1-  0.0     171119 691  0.6+  0.1-    171120 K63  0.3+  0.1+
    171119 926  0.1+  0.0     171119 I52  0.6-  0.1-    171120 K63  0.1+  0.2+
    171119 926  0.1+  0.5-    171119 I52  0.4-  0.3-    171120 H21  0.1+  0.1+
    171119 926  0.0   0.2+    171119 I52  0.5+  0.5-    171120 H21  0.1-  0.4-
    171119 F51  0.1-  0.2+    171119 I52  1.0-  0.3-    171120 H21  0.0   0.3-
    171119 F51  0.0   0.2+    171119 I93  0.5-  0.7+
    171119 F51  0.1-  0.2+    171119 I93  0.2+  0.5-
    
    Ephemeris:
    2017 WP1                 a,e,i = 1.75, 0.42, 1                   q = 1.0119
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2017 10 21    03 08 28.0 +11 45 00   0.2314  1.2142   158.8    17.2    22.8
    ...
    2017 11 05    03 39 18.3 +12 21 28   0.1503  1.1376   165.3    12.8    21.5
    ...
    2017 11 13    04 06 50.3 +13 03 30   0.1153  1.1019   166.0    12.5    20.9
    ...
    2017 11 19    04 38 09.2 +13 51 48   0.09307 1.0783   164.4    14.3    20.4
    2017 11 20    04 44 41.0 +14 01 12   0.08973 1.0746   163.9    14.8    20.3
    2017 11 21    04 51 40.3 +14 10 52   0.08651 1.0711   163.2    15.4    20.3
    ...
    2017 11 27    05 45 01.4 +15 07 35   0.07007 1.0516   156.9    21.6    20.0
    ...
    2017 12 05    07 29 29.0 +15 06 23   0.05831 1.0312   140.6    37.3    20.0
    ...
    2017 12 20    10 34 16.9 +08 45 32   0.07255 1.0123   111.1    65.1    21.2
    
    A. U. Tomatic                (C) Copyright 2017 MPC           M.P.E.C. 2017-W87
    

    Read MPEC 2017-W86 Read MPEC 2017-W88


    MPEC number:

    Enter an MPEC number in one of the following forms:

    • 1997-B01 (the full form)
    • J97B01 (the packed version of the full form)
    • B01 (the abbreviated form)