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  • MPEC 2017-W121: 2017 WF13

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    M.P.E.C. 2017-W121                               Issued 2017 Nov. 24, 22:44 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 WF13
    
    Observations:
         K17W13F* C2017 11 21.45789 03 21 19.23 +59 34 08.0          19.1 oUEW121T08
         K17W13F  C2017 11 21.46019 03 21 19.14 +59 34 03.3          18.8 oUEW121T08
         K17W13F  C2017 11 21.47458 03 21 16.33 +59 33 13.4          18.6 oUEW121T08
         K17W13F  C2017 11 21.48099 03 21 15.27 +59 32 51.3          18.8 oUEW121T08
         K17W13F  C2017 11 22.20458 03 19 11.71 +58 52 45.4          17.9 GUEW121I52
         K17W13F  C2017 11 22.20713 03 19 11.23 +58 52 36.9          18.0 GUEW121I52
         K17W13F  C2017 11 22.20967 03 19 10.82 +58 52 28.2          18.4 GUEW121I52
         K17W13F  C2017 11 22.21221 03 19 10.48 +58 52 19.2          17.3 GUEW121I52
         K17W13F  C2017 11 22.28228 03 18 58.00 +58 48 28.8          18.9 RoEW121926
         K17W13F  C2017 11 22.28851 03 18 56.91 +58 48 08.6          19.0 RoEW121926
         K17W13F  C2017 11 22.29713 03 18 55.39 +58 47 39.7          19.1 RoEW121926
         K17W13F  C2017 11 22.35162 03 18 45.61 +58 44 35.8          18.5 RqEW121H36
         K17W13F  C2017 11 22.35763 03 18 44.68 +58 44 15.6          18.8 RqEW121H36
         K17W13F  C2017 11 22.36213 03 18 43.97 +58 43 59.9          18.4 RqEW121H36
         K17W13F KC2017 11 22.68252 03 17 53.75 +58 26 11.0          18.0 RqEW121K61
         K17W13F KC2017 11 22.68312 03 17 53.66 +58 26 09.0          18.2 RqEW121K61
         K17W13F KC2017 11 22.68403 03 17 53.51 +58 26 06.0          18.2 RqEW121K61
         K17W13F KC2017 11 22.68473 03 17 53.39 +58 26 03.8          18.3 RqEW121K61
         K17W13F KC2017 11 22.77044 03 17 39.61 +58 21 27.1          19.0 RqEW121113
         K17W13F KC2017 11 22.80039 03 17 34.67 +58 19 49.1          18.5 RqEW121B15
         K17W13F KC2017 11 22.80149 03 17 34.49 +58 19 45.6          18.7 RqEW121B15
         K17W13F  C2017 11 22.80166 03 17 34.54 +58 19 45.8                qEW121246
         K17W13F  C2017 11 22.80209 03 17 34.41 +58 19 43.8                qEW121246
         K17W13F  C2017 11 22.80229 03 17 34.47 +58 19 43.2                qEW121246
         K17W13F  C2017 11 22.80258 03 17 34.34 +58 19 43.1          19.3 RqEW121246
         K17W13F KC2017 11 22.80280 03 17 34.30 +58 19 42.0          20.6 RqEW121113
         K17W13F KC2017 11 22.80281 03 17 34.31 +58 19 41.2          18.6 RqEW121B15
         K17W13F  C2017 11 22.80325 03 17 34.32 +58 19 40.9                qEW121246
         K17W13F  C2017 11 22.80347 03 17 34.31 +58 19 39.4                qEW121246
         K17W13F KC2017 11 22.80413 03 17 34.09 +58 19 36.9          18.9 RqEW121B15
         K17W13F  C2017 11 22.80501 03 17 33.87 +58 19 34.8                qEW121246
         K17W13F KC2017 11 22.80546 03 17 33.86 +58 19 32.6          18.6 RqEW121B15
         K17W13F KC2017 11 22.80770 03 17 33.58 +58 19 24.7          19.9 RqEW121113
         K17W13F KC2017 11 22.80984 03 17 33.17 +58 19 18.5          20.0 VtEW121198
         K17W13F KC2017 11 22.81978 03 17 31.62 +58 18 45.7          19.9 VtEW121198
         K17W13F KC2017 11 22.82255 03 17 31.24 +58 18 36.4          19.9 VtEW121198
         K17W13F KC2017 11 22.82604 03 17 30.61 +58 18 25.3          19.9 VtEW121198
         K17W13F KC2017 11 22.82880 03 17 30.10 +58 18 16.6          19.9 VtEW121198
         K17W13F KC2017 11 22.84598 03 17 27.21 +58 17 20.6          19.5 VSEW121C47
         K17W13F KC2017 11 22.85520 03 17 25.68 +58 16 50.4          19.3 VSEW121C47
         K17W13F KC2017 11 22.86443 03 17 24.18 +58 16 20.2          19.5 VSEW121C47
         K17W13F KC2017 11 22.86996 03 17 23.26 +58 16 01.9          19.4 VSEW121C47
         K17W13F KC2017 11 22.87623 03 17 22.27 +58 15 40.9          20.1 VSEW121C47
         K17W13F KC2017 11 22.92394 03 17 14.40 +58 13 04.5          18.7 VUEW121K74
         K17W13F KC2017 11 22.92742 03 17 13.89 +58 12 52.7          18.4 VUEW121K74
         K17W13F KC2017 11 22.92886 03 17 13.63 +58 12 48.1          18.5 VUEW121K74
         K17W13F  C2017 11 22.92977 03 17 13.50 +58 12 44.4          19.3 VSEW121033
         K17W13F  C2017 11 22.93207 03 17 13.13 +58 12 37.1          19.2 VSEW121033
         K17W13F KC2017 11 22.93280 03 17 12.98 +58 12 35.1          18.6 VUEW121K74
         K17W13F  C2017 11 22.93436 03 17 12.74 +58 12 29.3          19.2 VSEW121033
         K17W13F  C2017 11 22.99019 03 17 03.62 +58 09 25.0          18.3 VSEW121033
         K17W13F  C2017 11 22.99248 03 17 03.24 +58 09 17.3          18.3 VSEW121033
         K17W13F  C2017 11 23.21218 03 16 28.58 +57 57 06.4          19.0 VSEW121033
         K17W13F  C2017 11 23.35910 03 16 06.45 +57 49 14.8          19.7 RoEW121926
         K17W13F  C2017 11 23.36584 03 16 05.40 +57 48 52.5          19.6 RoEW121926
         K17W13F  C2017 11 23.37296 03 16 04.25 +57 48 28.9          19.7 RoEW121926
         K17W13F  C2017 11 23.54208 03 15 40.20 +57 39 15.3          19.9 RrEW121P93
         K17W13F  C2017 11 23.54430 03 15 39.90 +57 39 08.2          20.0 RrEW121P93
         K17W13F  C2017 11 23.54653 03 15 39.59 +57 39 00.4          19.7 RrEW121P93
         K17W13F KC2017 11 23.76746 03 15 07.19 +57 26 50.9          19.5 VSEW121C43
         K17W13F KC2017 11 23.77072 03 15 06.70 +57 26 39.8          19.6 VSEW121C43
         K17W13F KC2017 11 23.77398 03 15 06.27 +57 26 28.6          19.5 VSEW121C43
         K17W13F  C2017 11 24.34512 03 13 43.41 +56 55 32.2          18.9 RoEW121926
         K17W13F  C2017 11 24.35350 03 13 42.09 +56 55 04.4          18.8 RoEW121926
         K17W13F  C2017 11 24.36034 03 13 41.12 +56 54 42.1          18.9 RoEW121926
         K17W13F KC2017 11 24.83585 03 12 37.75 +56 28 54.4                UEW121J95
         K17W13F KC2017 11 24.83979 03 12 37.18 +56 28 42.2                UEW121J95
         K17W13F KC2017 11 24.84409 03 12 36.61 +56 28 28.2          19.5 GUEW121J95
    
    Observer details:
    033 Karl Schwarzschild Observatory, Tautenburg.  Observers C. Hoegner,
        B. Stecklum.  Measurer B. Stecklum.  1.34-m f/3 Schmidt + CCD.
    113 Volkssternwarte Drebach, Schoenbrunn.  Observers G. Lehmann, K. Lehmann.
        0.5-m f/4.6 reflector + CCD.
    198 Wildberg.  Observer R. Apitzsch.  0.35-m f/3.1 reflector + CCD.
    246 Klet Observatory-KLENOT.  Observers M. Tichy, J. Ticha.  Measurer M. Tichy.
        1.06-m KLENOT Telescope + CCD.
    926 Tenagra II Observatory.  Observers M. Schwartz, P. R. Holvorcem.  Measurer
        M. Schwartz.  0.81-m f/7 Ritchey-Chretien + CCD.
    B15 Inastars Observatory, Potsdam (since 2006).  Observer B. Thinius.  0.36-m
        f/5.6 Schmidt-Cassegrain + CCD.
    C43 Hoyerswerda.  Observer P. Lindner.  0.30-m f/6.3 Schmidt-Cassegrain + CCD.
    C47 Nonndorf.  Observer G. Dangl.  0.25-m f/4.8 reflector + CCD.
    H36 Sandlot Observatory, Scranton.  Observer G. Hug.  0.56-m reflector + 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.
    J95 Great Shefford.  Observer P. Birtwhistle.  0.40-m f/6.0 Schmidt-Cassegrain
        + CCD.
    K61 Rokycany Observatory.  Observer M. Adamovsky.  0.51-m f/6.8 reflector
        + CCD.
    K74 Muensterschwarzach Observatory, Schwarzach.  Observer C. Gerhard.  0.30-m
        f/4.6 Newtonian reflector + CCD.
    P93 Space Tracking and Communications Center, JAXA.  Observers T. Nimura,
        A. Asami.  1.0-m f/3.0 reflector + CCD.
    T08 ATLAS-MLO, Mauna Loa.  Observers L. Denneau, A. Heinze, H. Weiland,
        J. Tonry.  Measurers L. Denneau, H. Flewelling, A. Heinze, B. Stalder,
        J. Tonry.  0.5-m f/2.0 Schmidt + CCD.
    
    Orbital elements:
    2017 WF13                                                Earth MOID = 0.2706 AU
    Epoch 2017 Sept. 4.0 TT = JDT 2458000.5                 MPC
    M   2.57603              (2000.0)            P               Q
    n   0.23971046     Peri.   34.58139     +0.53041085     +0.70397563
    a   2.5665205      Node   272.12836     -0.84452587     +0.39031477
    e   0.7501957      Incl.   28.20595     -0.07375895     +0.59335714
    P   4.11           H   18.1           G   0.15           U   8
    Residuals in seconds of arc
    171121 T08  1.4-  0.7-    171122 246  0.2+  0.0     171122 033  0.2-  0.1-
    171121 T08 (1.2+  2.3+)   171122 246  0.4-  0.8+    171122 033  0.2-  0.2+
    171121 T08  0.4+  0.7+    171122 113  0.4-  0.9+    171122 K74  0.6-  0.3+
    171121 T08  1.5+  0.2+    171122 B15  0.1-  0.4+    171122 033  0.3-  0.1-
    171122 I52  0.2-  0.6+    171122 246  0.3+  0.8+    171122 033  0.3-  0.1+
    171122 I52  0.4-  0.5+    171122 246  0.5+  0.0     171122 033  0.3-  0.0
    171122 I52  0.1-  0.1+    171122 B15  0.1-  0.5+    171123 033  0.2-  0.2+
    171122 I52  0.7+  0.5-    171122 246  1.0-  0.4+    171123 926  0.4-  0.0
    171122 926  0.7-  0.3+    171122 B15  0.2-  0.5+    171123 926  0.2-  0.0
    171122 926  0.6-  0.8+    171122 113  0.3+  0.4-    171123 926  0.4-  0.1+
    171122 926  0.7-  0.5+    171122 198  0.9-  0.4+    171123 P93  0.4+  0.6+
    171122 H36  1.1-  0.9+    171122 198  0.3-  0.1+    171123 P93  0.8+  0.7+
    171122 H36  0.3-  0.8+    171122 198  0.3+  0.2-    171123 P93  1.1+  0.2+
    171122 H36  0.2+  0.2+    171122 198  0.2-  0.1+    171123 C43  0.8-  0.7+
    171122 K61 (1.1-  2.3-)   171122 198  0.6-  0.4+    171123 C43  0.8-  0.2+
    171122 K61 (1.1-  2.4-)   171122 C47  0.3-  0.2+    171123 C43  0.3-  0.5-
    171122 K61 (1.1-  2.4-)   171122 C47  0.4-  0.2+    171124 926  0.7+  0.4+
    171122 K61 (1.2-  2.3-)   171122 C47  0.3-  0.3+    171124 926  0.1-  0.1+
    171122 113  0.2-  0.4+    171122 C47  0.3-  0.1+    171124 926  0.2+  0.2+
    171122 B15  0.3-  0.4+    171122 C47  0.0   0.3-    171124 J95  0.2-  0.1+
    171122 B15  0.3-  0.5+    171122 K74  0.9-  0.5+    171124 J95  0.4-  0.5+
    171122 246  0.1-  0.5+    171122 K74  0.4-  0.2+    171124 J95  0.2-  0.3+
    171122 246  0.5-  0.1-    171122 K74  0.6-  0.3+
    
    Ephemeris:
    2017 WF13                a,e,i = 2.57, 0.75, 28                  q = 0.6411
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2017 10 25    08 08 52.9 +77 17 33   0.5325  1.2149   101.1    53.4    19.1
    ...
    2017 11 09    04 27 11.8 +70 50 50   0.5712  1.3943   124.2    36.0    19.1
    ...
    2017 11 17    03 37 24.8 +63 43 08   0.6127  1.4874   135.2    27.9    19.1
    ...
    2017 11 23    03 17 02.6 +58 08 54   0.6562  1.5558   141.5    23.3    19.2
    2017 11 24    03 14 32.9 +57 14 14   0.6645  1.5671   142.4    22.6    19.3
    2017 11 25    03 12 15.4 +56 20 07   0.6732  1.5784   143.2    22.0    19.3
    ...
    2017 12 01    03 02 03.9 +51 10 08   0.7318  1.6452   146.2    19.5    19.5
    ...
    2017 12 09    02 55 13.7 +45 07 08   0.8271  1.7324   145.8    18.7    19.8
    ...
    2017 12 24    02 54 21.3 +36 35 20   1.0522  1.8898   136.3    21.1    20.6
    
    A. U. Tomatic                (C) Copyright 2017 MPC           M.P.E.C. 2017-W121
    

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