• MPC Preparation (Info)

  • MPEC 2017-W82 : 2017 WL1

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    M.P.E.C. 2017-W82                                Issued 2017 Nov. 20, 20:18 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 WL1
    
    Observations:
         K17W01L* C2017 11 17.56652 05 56 01.639+66 08 04.14         20.6 wLEW082F51
         K17W01L  C2017 11 17.57976 05 55 58.236+66 07 47.94         20.7 wLEW082F51
         K17W01L  C2017 11 17.59300 05 55 54.854+66 07 31.54         20.6 wLEW082F51
         K17W01L  C2017 11 17.60621 05 55 51.485+66 07 14.97         20.4 wLEW082F51
         K17W01L  C2017 11 18.45906 05 52 24.75 +65 49 12.4          20.2 RoEW082926
         K17W01L  C2017 11 18.46920 05 52 21.99 +65 48 58.1          20.4 RoEW082926
         K17W01L  C2017 11 18.47922 05 52 19.27 +65 48 44.0          20.5 RoEW082926
         K17W01L  C2017 11 19.10074 05 49 38.84 +65 33 59.7          20.6 VSEW082033
         K17W01L  C2017 11 19.10304 05 49 38.13 +65 33 56.3          20.2 VSEW082033
         K17W01L  C2017 11 19.10534 05 49 37.49 +65 33 52.7          20.2 VSEW082033
         K17W01L  C2017 11 19.44982 05 48 03.65 +65 25 18.0          19.7 GUEW082I52
         K17W01L  C2017 11 19.45217 05 48 02.98 +65 25 14.1          19.4 GUEW082I52
         K17W01L  C2017 11 19.45449 05 48 02.29 +65 25 10.3          19.7 GUEW082I52
         K17W01L  C2017 11 19.45680 05 48 01.65 +65 25 06.9          20.0 GUEW082I52
         K17W01L KC2017 11 20.31795505 43 57.54 +65 01 18.3          20.0 VuEW082H21
         K17W01L KC2017 11 20.32034405 43 56.74 +65 01 14.2          20.1 VuEW082H21
         K17W01L KC2017 11 20.32373705 43 55.74 +65 01 08.3          20.0 VuEW082H21
    
    Observer details:
    033 Karl Schwarzschild Observatory, Tautenburg.  Observers F. Ludwig,
        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.
    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.
    
    Orbital elements:
    2017 WL1                                                 Earth MOID = 0.0791 AU
    Epoch 2017 Sept. 4.0 TT = JDT 2458000.5                 MPC
    M 273.08581              (2000.0)            P               Q
    n   0.55900871     Peri.  264.00961     -0.65058776     -0.35312346
    a   1.4594537      Node   253.54282     +0.55350868     -0.82664323
    e   0.4736029      Incl.   44.51211     -0.51996511     -0.43813786
    P   1.76           H   20.7           G   0.15           U   9
    Residuals in seconds of arc
    171117 F51  0.0   0.0     171118 926  0.1-  0.0     171119 I52  0.1+  0.1-
    171117 F51  0.0   0.0     171119 033  0.3+  0.1-    171119 I52  0.3+  0.2+
    171117 F51  0.0   0.0     171119 033  0.0   0.1-    171120 H21  0.1-  0.1-
    171117 F51  0.0   0.0     171119 033  0.0   0.2-    171120 H21  0.4-  0.1+
    171118 926  0.2-  0.0     171119 I52  0.1-  0.1+    171120 H21  0.1+  0.2+
    171118 926  0.1-  0.1-    171119 I52  0.1+  0.1-
    
    Ephemeris:
    2017 WL1                 a,e,i = 1.46, 0.47, 45                  q = 0.7683
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2017 10 21    06 13 11.4 +67 50 35   0.7659  1.4324   108.1    41.3    22.5
    ...
    2017 11 05    06 21 21.4 +67 58 58   0.5384  1.3262   117.1    41.7    21.6
    ...
    2017 11 13    06 10 14.6 +67 13 40   0.4179  1.2672   123.1    40.9    20.9
    ...
    2017 11 19    05 50 06.6 +65 36 23   0.3289  1.2221   128.9    39.0    20.3
    2017 11 20    05 45 30.5 +65 10 16   0.3143  1.2145   130.1    38.5    20.1
    2017 11 21    05 40 30.7 +64 40 02   0.2998  1.2069   131.3    38.0    20.0
    ...
    2017 11 27    05 01 50.0 +59 22 44   0.2152  1.1612   140.6    32.6    19.1
    ...
    2017 12 05    03 49 44.1 +36 26 39   0.1201  1.1000   161.4    16.6    17.2
    ...
    2017 12 20    01 34 00.8 -52 04 54   0.1758  0.9873    86.0    83.8    19.8
    
    A. U. Tomatic                (C) Copyright 2017 MPC           M.P.E.C. 2017-W82
    

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