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    • MPEC 2017-W152: 2017 WU13

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    M.P.E.C. 2017-W152                               Issued 2017 Nov. 25, 01:09 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 WU13

Observations:
     K17W13U* C2017 11 20.42793 06 19 22.58 -09 30 02.7          20.2 GUEW152G96
     K17W13U  C2017 11 20.43379 06 19 22.28 -09 29 55.1          20.9 GUEW152G96
     K17W13U  C2017 11 20.43946 06 19 21.79 -09 29 46.8          21.4 GUEW152G96
     K17W13U  C2017 11 21.34519 06 18 25.90 -09 08 00.0          20.1 GUEW152I52
     K17W13U  C2017 11 21.34750 06 18 25.72 -09 07 56.5          20.3 GUEW152I52
     K17W13U  C2017 11 21.34916 06 18 25.63 -09 07 54.8          20.5 GUEW152I52
     K17W13U  C2017 11 21.35082 06 18 25.51 -09 07 51.9          20.6 GUEW152I52
     K17W13U  C2017 11 22.42226 06 17 14.55 -08 41 21.8          20.4 GUEW152I52
     K17W13U  C2017 11 22.42350 06 17 14.46 -08 41 19.0          20.1 GUEW152I52
     K17W13U  C2017 11 22.42862 06 17 14.02 -08 41 13.3          20.2 GUEW152I52
     K17W13U  C2017 11 22.42986 06 17 13.91 -08 41 12.3          20.9 GUEW152I52
     K17W13U  C2017 11 23.42206 06 16 05.55 -08 15 56.3          20.4 GUEW152G96
     K17W13U  C2017 11 23.42428 06 16 05.48 -08 15 51.0          20.6 GUEW152G96
     K17W13U  C2017 11 23.42637 06 16 05.23 -08 15 48.3          20.7 GUEW152G96
     K17W13U  C2017 11 23.42842 06 16 05.10 -08 15 45.1          21.5 GUEW152G96
     K17W13U  C2017 11 24.43140 06 14 52.83 -07 49 31.8          20.8 GUEW152G96
     K17W13U  C2017 11 24.43425 06 14 52.61 -07 49 27.0          20.4 GUEW152G96
     K17W13U  C2017 11 24.43685 06 14 52.40 -07 49 23.1          21.2 GUEW152G96
     K17W13U  C2017 11 24.44019 06 14 52.13 -07 49 17.8          21.3 GUEW152G96

Observer details:
G96 Mt. Lemmon Survey.  Observers E. J. Christensen, 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.  1.5-m reflector + 10K 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.

Orbital elements:
2017 WU13                                                Earth MOID = 0.2938 AU
Epoch 2017 Sept. 4.0 TT = JDT 2458000.5                 MPC
M 356.44663              (2000.0)            P               Q
n   0.41323680     Peri.  261.32253     +0.95310249     -0.15076686
a   1.7851309      Node   107.02792     +0.23096616     +0.92266953
e   0.3561292      Incl.   15.92941     -0.19557676     +0.35489477
P   2.39           H   20.8           G   0.15           U   8
Residuals in seconds of arc
171120 G96  0.5-  0.4+    171121 I52  0.2+  0.1+    171123 G96  0.1-  0.2+
171120 G96  0.5-  0.4+    171122 I52  0.1+  0.4+    171123 G96  0.3+  0.3+
171120 G96  1.0+  0.3-    171122 I52  0.2+  1.3+    171124 G96  0.1-  0.1-
171120 G96  0.5-  0.1-    171122 I52  0.7-  0.7-    171124 G96  0.0   0.2+
171121 I52  0.1+  0.2+    171122 I52  0.9-  1.6-    171124 G96  0.0   0.0
171121 I52  0.1-  0.4+    171123 G96  0.4-  1.1-    171124 G96  0.0   0.1-
171121 I52  0.3+  0.3-    171123 G96  1.2+  0.8+

Ephemeris:
2017 WU13                a,e,i = 1.79, 0.36, 16                  q = 1.1494
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2017 10 26    06 24 53.7 -16 12 13   0.4555  1.2201   108.9    50.4    21.4
...
2017 11 10    06 26 40.4 -13 00 01   0.4383  1.2720   120.8    42.0    21.2
...
2017 11 18    06 21 40.6 -10 25 21   0.4310  1.3036   129.0    36.1    21.0
...
2017 11 24    06 15 24.6 -08 00 42   0.4286  1.3288   135.8    31.2    20.9
2017 11 25    06 14 11.0 -07 34 10   0.4285  1.3331   137.0    30.3    20.9
2017 11 26    06 12 54.6 -07 06 57   0.4286  1.3374   138.2    29.4    20.9
...
2017 12 02    06 04 26.4 -04 10 29   0.4317  1.3639   145.5    24.1    20.8
...
2017 12 10    05 51 45.2 +00 12 23   0.4450  1.4006   154.9    17.4    20.7
...
2017 12 25    05 29 02.8 +08 45 31   0.5050  1.4719   161.9    12.0    20.9

A. U. Tomatic                (C) Copyright 2017 MPC           M.P.E.C. 2017-W152

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