• MPC Preparation (Info)

  • MPEC 2017-W205: 2017 WZ27

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    M.P.E.C. 2017-W205                               Issued 2017 Nov. 28, 18:44 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 WZ27
    
    Observations:
         K17W27Z* C2017 11 26.26464 03 24 28.53 +14 49 04.9          20.9 GUEW205G96
         K17W27Z  C2017 11 26.26989 03 24 28.48 +14 50 03.0          20.8 GUEW205G96
         K17W27Z  C2017 11 26.27507 03 24 28.41 +14 51 01.2          21.1 GUEW205G96
         K17W27Z  C2017 11 26.28023 03 24 28.29 +14 52 00.4          21.8 GUEW205G96
         K17W27Z  C2017 11 26.38584303 24 27.21 +15 11 25.9          21.2 GUEW205H01
         K17W27Z  C2017 11 26.38944103 24 27.26 +15 12 05.7          20.5 GUEW205H01
         K17W27Z  C2017 11 26.40421 03 24 27.82 +15 14 56.6          21.0 GUEW205V06
         K17W27Z  C2017 11 26.40497803 24 27.51 +15 14 57.4          20.3 GUEW205H01
         K17W27Z  C2017 11 26.40582 03 24 27.86 +15 15 14.5          20.7 GUEW205V06
         K17W27Z  C2017 11 26.40743 03 24 27.89 +15 15 32.3          21.1 GUEW205V06
         K17W27Z  C2017 11 26.40883603 24 27.57 +15 15 39.9          21.1 GUEW205H01
         K17W27Z  C2017 11 26.40904 03 24 27.90 +15 15 50.0          21.3 GUEW205V06
         K17W27Z  C2017 11 27.15525 03 25 40.05 +17 39 43.6          21.0 GUEW205V06
         K17W27Z  C2017 11 27.15685 03 25 40.06 +17 40 02.7          20.7 GUEW205V06
         K17W27Z  C2017 11 27.15846 03 25 40.11 +17 40 22.3          21.2 GUEW205V06
         K17W27Z  C2017 11 27.16006 03 25 40.10 +17 40 41.4          20.8 GUEW205V06
         K17W27Z KC2017 11 27.19411903 25 35.02 +17 47 11.3          20.6 VuEW205H21
         K17W27Z KC2017 11 27.19673703 25 35.02 +17 47 42.8          20.7 VuEW205H21
         K17W27Z KC2017 11 27.20197703 25 35.00 +17 48 44.9          21.0 VuEW205H21
         K17W27Z  C2017 11 27.35674 03 25 39.31 +18 19 49.2          20.8 RoEW205926
         K17W27Z  C2017 11 27.36067 03 25 39.33 +18 20 35.0          20.8 RoEW205926
         K17W27Z  C2017 11 27.36463 03 25 39.34 +18 21 21.9          20.3 RoEW205926
         K17W27Z  C2017 11 28.15680 03 27 00.80 +21 02 53.8                UEW205I52
         K17W27Z  C2017 11 28.15887 03 27 00.76 +21 03 19.1          20.6 GUEW205I52
         K17W27Z  C2017 11 28.16094 03 27 00.80 +21 03 45.4          21.7 GUEW205I52
         K17W27Z  C2017 11 28.24621 03 27 01.20 +21 21 49.4          21.6 GUEW205V06
         K17W27Z  C2017 11 28.24877 03 27 01.17 +21 22 21.4          21.0 GUEW205V06
         K17W27Z  C2017 11 28.25135 03 27 01.17 +21 22 53.9          21.5 GUEW205V06
         K17W27Z  C2017 11 28.25371 03 27 01.17 +21 23 23.2          21.4 GUEW205V06
    
    Observer details:
    926 Tenagra II Observatory.  Observers M. Schwartz, P. R. Holvorcem.  Measurer
        M. Schwartz.  0.81-m f/7 Ritchey-Chretien + CCD.
    G96 Mt. Lemmon Survey.  Observer G. J. Leonard.  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.
        1.5-m reflector + 10K 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.
    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 A. R. Gibbs.  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.
    V06 Catalina Sky Survey-Kuiper.  Observer D. C. Fuls.  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.  1.55-m reflector + CCD.
    
    Orbital elements:
    2017 WZ27                                                Earth MOID = 0.0354 AU
    Epoch 2017 Sept. 4.0 TT = JDT 2458000.5                 MPC
    M 286.07001              (2000.0)            P               Q
    n   0.69525719     Peri.   22.95462     +0.04153085     -0.99379875
    a   1.2619410      Node    64.79707     +0.89809740     -0.00810739
    e   0.1990057      Incl.    6.54588     +0.43783131     +0.11089781
    P   1.42           H   27.6           G   0.15           U   6
    Residuals in seconds of arc
    171126 G96  0.4-  0.1+    171126 H01  0.1-  0.0     171127 926  0.2-  0.3-
    171126 G96  0.0   0.6-    171126 V06  0.2+  0.1-    171127 926  0.4-  0.1+
    171126 G96  0.1+  0.4-    171127 V06  0.1-  0.2-    171128 I52  1.0+  0.9+
    171126 G96  0.6-  1.1+    171127 V06  0.2-  0.4-    171128 I52  0.0   0.2-
    171126 H01  0.0   0.0     171127 V06  0.3+  0.2-    171128 I52  0.1+  0.4-
    171126 H01  0.1+  0.0     171127 V06  0.1-  0.4-    171128 V06  0.0   0.3+
    171126 V06  0.1+  0.1-    171127 H21  0.1+  0.2+    171128 V06  0.3-  0.0
    171126 H01  0.2+  0.1+    171127 H21  0.1+  0.6+    171128 V06  0.2-  0.1-
    171126 V06  0.4+  0.0     171127 H21  0.0   0.5+    171128 V06  0.1-  0.5-
    171126 V06  0.4+  0.0     171127 926  0.3-  0.1+
    
    Ephemeris:
    2017 WZ27                a,e,i = 1.26, 0.20, 7                   q = 1.0108
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2017 10 29    03 12 29.5 -18 46 25   0.1040  1.0799   144.7    32.1    24.2
    ...
    2017 11 13    03 17 02.6 -10 43 40   0.06481 1.0470   151.4    26.9    23.0
    ...
    2017 11 21    03 20 12.5 +01 15 04   0.04788 1.0332   160.4    18.7    22.0
    ...
    2017 11 27    03 25 19.7 +17 10 19   0.03875 1.0248   168.6    11.0    21.3
    2017 11 28    03 26 38.4 +20 31 13   0.03768 1.0236   168.6    10.9    21.2
    2017 11 29    03 28 08.3 +24 03 02   0.03677 1.0224   167.9    11.7    21.2
    ...
    2017 12 05    03 43 04.0 +47 24 06   0.03498 1.0165   152.0    27.1    21.6
    ...
    2017 12 13    04 46 10.5 +73 28 37   0.04193 1.0117   129.4    48.7    22.6
    ...
    2017 12 28    12 13 31.0 +78 28 05   0.06806 1.0124   113.5    63.0    24.0
    
    A. U. Tomatic                (C) Copyright 2017 MPC           M.P.E.C. 2017-W205
    

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