• MPC Preparation (Info)

  • MPEC 2017-W209: 2017 WD28

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    M.P.E.C. 2017-W209                               Issued 2017 Nov. 28, 19:09 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 WD28
    
    Observations:
         K17W28D* C2017 11 26.34843 04 20 49.53 +20 29 42.5          17.6 GUEW209703
         K17W28D  C2017 11 26.35378 04 20 37.96 +20 31 36.8          17.4 GUEW209703
         K17W28D  C2017 11 26.37126 04 20 00.08 +20 37 49.5          17.6 GUEW209703
         K17W28D  C2017 11 26.43751004 17 33.25 +21 01 26.3          17.8 GUEW209H01
         K17W28D  C2017 11 26.44063704 17 26.28 +21 02 34.6          17.0 GUEW209H01
         K17W28D  C2017 11 26.44857 04 17 09.14 +21 05 44.0          16.8 GUEW209I52
         K17W28D  C2017 11 26.44869 04 17 08.85 +21 05 46.8          16.9 GUEW209I52
         K17W28D  C2017 11 26.44882 04 17 08.57 +21 05 49.5          17.1 GUEW209I52
         K17W28D  C2017 11 26.45198104 17 00.93 +21 06 43.1          17.1 GUEW209H01
         K17W28D  C2017 11 26.45963004 16 43.79 +21 09 31.3          17.1 GUEW209H01
         K17W28D  C2017 11 26.47107 04 16 18.45 +21 14 00.1          17.4 GUEW209I52
         K17W28D  C2017 11 26.47120 04 16 18.17 +21 14 02.7          17.1 GUEW209I52
         K17W28D  C2017 11 26.47132 04 16 17.89 +21 14 05.3          17.1 GUEW209I52
         K17W28D  C2017 11 26.47144 04 16 17.60 +21 14 08.1          17.1 GUEW209I52
         K17W28D  C2017 11 26.49327 04 15 28.09 +21 22 13.5          16.9 GUEW209V06
         K17W28D  C2017 11 26.49358 04 15 27.39 +21 22 20.4          17.1 GUEW209V06
         K17W28D  C2017 11 26.49387 04 15 26.74 +21 22 26.8          17.2 GUEW209V06
         K17W28D  C2017 11 26.49415 04 15 26.08 +21 22 33.3          17.3 GUEW209V06
         K17W28D KC2017 11 26.76808 04 05 01.76 +23 14 35.7                UEW209587
         K17W28D KC2017 11 26.77081 04 04 54.27 +23 15 50.6                UEW209587
         K17W28D KC2017 11 26.77353 04 04 46.81 +23 17 05.1          17.4 GUEW209587
         K17W28D KC2017 11 26.78282804 04 20.33 +23 20 30.3                UEW209J95
         K17W28D KC2017 11 26.78929404 04 02.50 +23 23 28.6                UEW209J95
         K17W28D KC2017 11 26.79148804 03 56.28 +23 24 31.7          17.3 GUEW209Z80
         K17W28D KC2017 11 26.79477304 03 47.14 +23 26 01.6          17.7 GUEW209Z80
         K17W28D KC2017 11 26.79555504 03 45.14 +23 26 21.8                UEW209J95
         K17W28D KC2017 11 26.79805104 03 37.99 +23 27 32.9          18.0 GUEW209Z80
         K17W28D KC2017 11 26.80127804 03 29.15 +23 29 01.0          17.4 GUEW209J95
         K17W28D KC2017 11 26.80133104 03 28.78 +23 29 03.6          17.3 GUEW209Z80
         K17W28D KC2017 11 26.80460904 03 19.64 +23 30 35.5          17.6 GUEW209Z80
         K17W28D KC2017 11 26.83092 04 02 05.20 +23 43 50.0          17.8 VqEW209C77
         K17W28D KC2017 11 26.83345 04 01 57.81 +23 45 01.2          18.2 VqEW209C77
         K17W28D KC2017 11 26.83612 04 01 50.01 +23 46 16.9          18.0 VqEW209C77
         K17W28D KC2017 11 26.86283 04 00 28.26 +23 58 52.6          18.1 VqEW209595
         K17W28D KC2017 11 26.86624 04 00 17.99 +24 00 29.6          17.8 VqEW209595
         K17W28D KC2017 11 26.86964 04 00 07.65 +24 02 06.9          17.8 VqEW209595
         K17W28D KC2017 11 26.87646 03 59 46.90 +24 05 22.0          17.6 VqEW209595
         K17W28D KC2017 11 26.87987 03 59 36.47 +24 06 59.8          17.5 VqEW209595
         K17W28D KC2017 11 26.91068 03 58 02.18 +24 22 02.1                UEW209160
         K17W28D KC2017 11 26.91290 03 57 55.14 +24 23 05.9          18.1 RUEW209160
         K17W28D KC2017 11 26.91401 03 57 51.63 +24 23 38.5          18.3 RUEW209160
         K17W28D KC2017 11 26.91514 03 57 48.08 +24 24 11.8          17.6 RUEW209160
         K17W28D KC2017 11 26.91731 03 57 41.19 +24 25 13.8                UEW209160
         K17W28D KC2017 11 26.93909 03 56 31.60 +24 35 48.2          17.7  UEW209104
         K17W28D KC2017 11 26.94467 03 56 13.60 +24 38 31.3          17.8  UEW209104
         K17W28D KC2017 11 26.95024 03 55 55.52 +24 41 15.2          17.6  UEW209104
         K17W28D KC2017 11 26.95103 03 55 53.67 +24 41 27.1          17.5 GUEW209203
         K17W28D KC2017 11 26.95815 03 55 30.51 +24 44 56.6          17.4 GUEW209203
         K17W28D KC2017 11 26.96492 03 55 08.28 +24 48 16.8          17.4 GUEW209203
         K17W28D KC2017 11 27.16694303 43 53.05 +26 34 00.0          17.4 VuEW209H21
         K17W28D KC2017 11 27.16850603 43 47.02 +26 34 51.9          17.4 VuEW209H21
         K17W28D KC2017 11 27.17051603 43 39.23 +26 35 58.3          17.3 VuEW209H21
         K17W28D KC2017 11 27.17319403 43 28.87 +26 37 27.2          17.4 VuEW209H21
         K17W28D KC2017 11 27.23665 03 39 19.73 +27 13 00.1          17.2 RqEW209H36
         K17W28D KC2017 11 27.23808 03 39 13.85 +27 13 49.0          17.4 RqEW209H36
         K17W28D KC2017 11 27.23950 03 39 07.98 +27 14 36.7          17.3 RqEW209H36
         K17W28D KC2017 11 27.24142 03 39 00.14 +27 15 41.1          17.2 RqEW209H36
         K17W28D #C2017 11 27.24645 03 38 44.86 +27 19 24.4          17.4 VqEW209H06
         K17W28D #C2017 11 27.24766 03 38 39.74 +27 20 06.6          17.6 VqEW209H06
         K17W28D  C2017 11 27.24791 03 38 41.82 +27 20 15.7          17.4 GUEW209I52
         K17W28D  C2017 11 27.24803 03 38 41.31 +27 20 20.0          17.3 GUEW209I52
         K17W28D  C2017 11 27.24816 03 38 40.78 +27 20 24.3          17.1 GUEW209I52
         K17W28D  C2017 11 27.24828 03 38 40.26 +27 20 28.6          16.9 GUEW209I52
         K17W28D #C2017 11 27.24878 03 38 35.13 +27 20 44.9          16.8 VqEW209H06
         K17W28D  C2017 11 27.26441 03 37 32.94 +27 29 53.0          16.7 RoEW209926
         K17W28D  C2017 11 27.26491 03 37 30.81 +27 30 10.3          16.9 RoEW209926
         K17W28D  C2017 11 27.26542 03 37 28.68 +27 30 27.8          17.4 RoEW209926
         K17W28D  C2017 11 27.27697 03 36 39.80 +27 37 06.4          17.2 RoEW209926
         K17W28D  C2017 11 27.27748 03 36 37.64 +27 37 23.9          17.1 RoEW209926
         K17W28D  C2017 11 27.27798 03 36 35.49 +27 37 41.3          16.9 RoEW209926
         K17W28D KC2017 11 27.80943 02 51 23.46 +33 14 43.3          16.6 RUEW209K51
         K17W28D KC2017 11 27.81019 02 51 18.41 +33 15 15.2          17.4 RUEW209K51
         K17W28D KC2017 11 27.81094 02 51 13.44 +33 15 46.8          16.7 RUEW209K51
         K17W28D KC2017 11 27.85010 02 46 42.35 +33 43 02.5          17.0 GUEW209K88
         K17W28D KC2017 11 27.85169 02 46 31.36 +33 44 09.0          17.0 GUEW209K88
         K17W28D KC2017 11 27.85327 02 46 20.37 +33 45 14.9          17.0 GUEW209K88
         K17W28D KC2017 11 27.85486 02 46 09.36 +33 46 20.9          16.9 GUEW209K88
         K17W28D KC2017 11 27.85644 02 45 58.32 +33 47 27.0          16.7 GUEW209K88
         K17W28D KC2017 11 27.93364302 36 54.50 +34 40 20.0                UEW209J95
         K17W28D KC2017 11 27.93628802 36 34.80 +34 42 09.7                UEW209J95
         K17W28D KC2017 11 27.93927002 36 12.53 +34 44 13.4          17.0 GUEW209J95
         K17W28D  C2017 11 28.13942 02 10 08.53 +37 04 02.0          16.6 GUEW209I52
         K17W28D  C2017 11 28.13981 02 10 04.98 +37 04 18.4          16.7 GUEW209I52
         K17W28D  C2017 11 28.14022 02 10 01.42 +37 04 34.9          16.9 GUEW209I52
         K17W28D  C2017 11 28.14062 02 09 57.72 +37 04 51.6          17.4 GUEW209I52
         K17W28D  C2017 11 28.15218 02 08 14.07 +37 12 41.6          13.7 GUEW209V06
         K17W28D  C2017 11 28.15254 02 08 10.45 +37 12 58.0          14.6 GUEW209V06
         K17W28D  C2017 11 28.15289 02 08 07.41 +37 13 11.6          13.2 GUEW209V06
    
    Observer details:
    104 San Marcello Pistoiese.  Observers P. Bacci, M. Maestripieri.  Measurers
        P. Bacci, L. Tesi, G. Fagioli.  0.60-m reflector + CCD.
    160 Castelmartini.  Observers M. Jaeger, E. Prosperi, S. Prosperi, W. Vollmann.
        Measurer E. Prosperi.  0.35-m f/10 Schmidt-Cassegrain + CCD.
    203 GiaGa Observatory.  Observers S. Foglia, G. Galli.  Measurer G. Galli.
        0.28-m f/6.8 Schmidt-Cassegrain + CCD.
    587 Sormano.  Observers A. Fumagalli, I. Proserpio, A. Testa.  Measurer
        A. Testa.  0.5-m f/6.8 reflector + CCD.
    595 Farra d'Isonzo.  Observers F. Bressan, E. Pettarin, F. Piani.  Measurer
        E. Pettarin.  0.61-m f/4.0 reflector + CCD.
    703 Catalina Sky Survey.  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.
        0.68-m Schmidt + 10K CCD.
    926 Tenagra II Observatory.  Observers M. Schwartz, P. R. Holvorcem.  Measurer
        M. Schwartz.  0.81-m f/7 Ritchey-Chretien + CCD.
    C77 Bernezzo Observatory.  Observer A. Mantero.  0.25-m f/4.0 reflector + 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.
    H06 iTelescope Observatory, Mayhill.  Observer M. Suzuki.  0.50-m f/6.8
        reflector + CCD + f/4.5 focal reducer.
    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.
    H36 Sandlot Observatory, Scranton.  Observer G. Hug.  0.56-m reflector + 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.
    J95 Great Shefford.  Observer P. Birtwhistle.  0.40-m f/6.0 Schmidt-Cassegrain
        + CCD.
    K51 Osservatorio del Celado, Castello Tesino.  Observers G. Favero, R. Furgoni.
        Measurer R. Furgoni.  0.80-m f/4 reflector + CCD.
    K88 GINOP-KHK, Piszkesteto.  Observer B. Ignacz.  Measurer K. Sarneczky.
        0.60-m Schmidt + 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.
    Z80 Northolt Branch Observatory.  Observer G. Wells.  Measurer D. Bamberger.
        0.25-m f/8 Ritchey-Chretien + CCD.
    
    Orbital elements:
    2017 WD28                                                Earth MOID = 0.0092 AU
    Epoch 2017 Sept. 4.0 TT = JDT 2458000.5                 MPC
    M 184.29373              (2000.0)            P               Q
    n   1.13210595     Peri.  127.51756     -0.96475562     +0.19223956
    a   0.9117547      Node    64.21073     -0.25583239     -0.84509089
    e   0.4219590      Incl.   11.51200     +0.06161484     -0.49886404
    P   0.87           H   25.7           G   0.15           U   7
    Residuals in seconds of arc
    171126 703  0.5+  0.4-    171126 C77  0.1-  0.2+    171127 I52  0.3+  0.3-
    171126 703  0.2-  0.1+    171126 C77  0.2-  0.0     171127 I52  0.4+  0.5-
    171126 703  0.6-  0.1-    171126 C77  0.0   0.3+    171127 I52  0.1+  0.3-
    171126 H01  0.0   0.0     171126 595  0.1-  0.2-    171127 H06  0.6-  0.7+
    171126 H01  0.1-  0.0     171126 595  0.3+  0.4-    171127 926  0.0   0.2+
    171126 I52  0.1+  0.0     171126 595  0.2-  0.1-    171127 926  0.4-  0.3+
    171126 I52  0.2-  0.2+    171126 595  0.1-  0.1-    171127 926  0.1-  0.2+
    171126 I52  0.0   0.0     171126 595  0.2-  0.1+    171127 926  0.2+  0.0
    171126 H01  0.2-  0.1+    171126 160  0.7+  0.3+    171127 926  0.4+  0.1-
    171126 H01  0.2-  0.1+    171126 160  0.1+  0.3-    171127 926  0.1+  0.0
    171126 I52  0.1+  0.2+    171126 160  0.0   0.0     171127 K51  0.2+  0.1-
    171126 I52  0.3+  0.0     171126 160  0.3+  0.5+    171127 K51  0.3+  0.3-
    171126 I52  0.2+  0.1-    171126 160  0.0   0.6-    171127 K51  0.5+  0.3-
    171126 I52  0.1-  0.1+    171126 104  0.1+  0.1-    171127 K88  0.2-  0.2-
    171126 V06  0.1+  0.1+    171126 104  0.5+  0.5-    171127 K88  0.1+  0.0
    171126 V06  0.2+  0.0     171126 104  0.5+  0.2-    171127 K88  0.2-  0.0
    171126 V06  0.3+  0.0     171126 203  0.1-  0.2-    171127 K88  0.4+  0.3-
    171126 V06  0.0   0.2+    171126 203  0.6+  0.4-    171127 K88  0.1-  0.1-
    171126 587  0.1+  0.0     171126 203  0.0   0.1-    171127 J95  0.1-  0.1+
    171126 587  0.2-  0.0     171127 H21  0.1+  0.0     171127 J95  0.1+  0.0
    171126 587  0.2-  0.1-    171127 H21  0.1+  0.1+    171127 J95  0.2+  0.0
    171126 J95  0.2+  0.0     171127 H21  0.1-  0.2-    171128 I52 (2.6-  0.2+)
    171126 J95  0.0   0.1-    171127 H21  0.1+  0.2-    171128 I52 (3.4-  0.6+)
    171126 Z80  0.1+  0.8+    171127 H36  0.4-  0.5+    171128 I52 (2.2-  0.3+)
    171126 Z80  0.1-  0.3-    171127 H36  0.7-  0.9+    171128 I52 (3.7-  0.7+)
    171126 J95  0.1+  0.2-    171127 H36  1.2-  0.4+    171128 V06  0.7-  0.0
    171126 Z80  0.2-  0.2+    171127 H36  0.5-  0.3-    171128 V06 (5.1-  1.8+)
    171126 J95  0.1-  0.2+    171127 H06  0.3+  0.0     171128 V06 (3.7-  1.2+)
    171126 Z80  0.7-  0.2-    171127 H06  1.1-  0.8+
    171126 Z80  0.1+  0.5+    171127 I52  0.4+  0.5-
    
    Ephemeris:
    2017 WD28                a,e,i = 0.91, 0.42, 12                  q = 0.5270
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2017 10 29    05 34 59.9 +04 11 36   0.2487  1.1669   129.3    41.2    24.6
    ...
    2017 11 13    05 36 44.6 +04 56 07   0.1250  1.0914   142.4    33.6    22.8
    ...
    2017 11 21    05 23 06.6 +08 06 10   0.06215 1.0440   153.6    24.9    20.9
    ...
    2017 11 27    03 53 21.0 +25 08 05   0.01851 1.0052   174.3     5.6    17.5
    2017 11 28    02 28 48.3 +35 28 40   0.01333 0.9985   152.8    26.9    17.5
    2017 11 29    23 29 33.5 +41 36 22   0.01145 0.9917   116.9    62.5    18.2
    ...
    2017 12 05    18 35 32.3 +07 57 25   0.04835 0.9493    40.6   137.5    25.5
    ...
    2017 12 13    18 10 47.4 +02 17 04   0.1102  0.8889    28.2   148.4    28.8
    ...
    2017 12 28    17 58 53.8 -02 20 00   0.2393  0.7669    22.0   151.2    30.7
    
    A. U. Tomatic                (C) Copyright 2017 MPC           M.P.E.C. 2017-W209
    

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