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  • MPEC 2017-U216: 2017 US5

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    M.P.E.C. 2017-U216                               Issued 2017 Oct. 26, 21:54 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 US5
    
    Observations:
         K17U05S* C2017 10 23.30204 01 59 43.99 +12 29 42.8          21.2 GUEU216G96
         K17U05S  C2017 10 23.30723 01 59 43.38 +12 30 47.2          21.2 GUEU216G96
         K17U05S  C2017 10 23.31244 01 59 42.86 +12 31 49.9          20.1 GUEU216G96
         K17U05S  C2017 10 23.31764 01 59 42.25 +12 32 54.9          21.0 GUEU216G96
         K17U05S  C2017 10 23.44502 01 59 28.56 +12 58 54.3          22.1 GUEU216G96
         K17U05S  C2017 10 23.44542 01 59 28.54 +12 58 59.1          21.0 GUEU216G96
         K17U05S  C2017 10 23.44583 01 59 28.46 +12 59 03.6          21.3 GUEU216G96
         K17U05S  C2017 10 24.16903 01 58 51.63 +15 21 48.1          21.8 GUEU216I52
         K17U05S  C2017 10 24.17290 01 58 51.25 +15 22 32.2          21.6 GUEU216I52
         K17U05S  C2017 10 24.17677 01 58 50.88 +15 23 16.8          20.9 GUEU216I52
         K17U05S tC2017 10 24.21355 01 58 47.19 +15 30 26.8                oEU216926
         K17U05S tC2017 10 24.22003 01 58 46.54 +15 31 40.0          21.8 RoEU216926
         K17U05S tC2017 10 24.22653 01 58 45.79 +15 32 56.2          21.3 RoEU216926
         K17U05S  C2017 10 25.28951 01 57 36.55 +18 45 04.6          21.8 GUEU216G96
         K17U05S  C2017 10 25.29062 01 57 36.40 +18 45 16.2          22.1 GUEU216G96
         K17U05S  C2017 10 25.29172 01 57 36.28 +18 45 27.4                UEU216G96
         K17U05S  C2017 10 25.29283 01 57 36.22 +18 45 38.9          21.3 GUEU216G96
         K17U05S  C2017 10 26.18566 01 56 47.97 +21 12 27.7          20.9 GUEU216V06
         K17U05S  C2017 10 26.18919 01 56 47.64 +21 13 01.6          21.6 GUEU216V06
         K17U05S  C2017 10 26.19273 01 56 47.32 +21 13 35.4          21.1 GUEU216V06
         K17U05S  C2017 10 26.19626 01 56 47.00 +21 14 09.2          21.3 GUEU216V06
         K17U05S KC2017 10 26.23854001 56 40.42 +21 20 39.7          21.7 VuEU216H21
         K17U05S KC2017 10 26.24983301 56 39.34 +21 22 26.0          21.7 VuEU216H21
         K17U05S KC2017 10 26.26153401 56 38.23 +21 24 15.7          21.5 VuEU216H21
    
    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.  Observers D. C. Fuls, 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.
    H21 Astronomical Research Observatory, Westfield.  Observer R. Holmes.
        Measurers S. Foglia, L. Buzzi, T. Linder, R. Holmes.  0.81-m f/4.0
        astrograph + CCD.
    I52 Steward Observatory, Mt. Lemmon Station.  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.  1.0-m reflector + CCD.
    V06 Catalina Sky Survey-Kuiper.  Observer E. J. Christensen.  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 US5                                                 Earth MOID = 0.0569 AU
    Epoch 2017 Sept. 4.0 TT = JDT 2458000.5                 MPC
    M 350.39575              (2000.0)            P               Q
    n   0.50483482     Peri.  327.40428     +0.99281675     +0.05605493
    a   1.5620797      Node    29.92972     +0.01244416     +0.83028672
    e   0.3466244      Incl.   12.23094     -0.11899596     +0.55451041
    P   1.95           H   26.7           G   0.15           U   7
    Residuals in seconds of arc
    171023 G96  0.4-  0.4+    171024 I52 (0.2+  1.7-)   171025 G96  0.1+  0.0
    171023 G96  0.6-  0.5+    171024 I52 (0.3+  1.9-)   171026 V06  0.1+  0.2+
    171023 G96  0.5+  1.3-    171024 926 (0.4-  1.9+)   171026 V06  0.0   0.2+
    171023 G96  0.3+  0.6-    171024 926  0.0   0.7+    171026 V06  0.0   0.1+
    171023 G96  0.1+  0.6+    171024 926 (1.0-  2.2+)   171026 V06  0.1+  0.2+
    171023 G96  0.4+  0.5+    171025 G96  0.1-  0.1-    171026 H21  0.2+  0.5-
    171023 G96  0.2-  0.1+    171025 G96  0.6-  0.1+    171026 H21  0.2+  0.2-
    171024 I52  0.3+  1.0-    171025 G96  0.7-  0.1-    171026 H21  0.2+  0.1+
    
    Ephemeris:
    2017 US5                 a,e,i = 1.56, 0.35, 12                  q = 1.0206
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2017 09 26    03 12 28.0 -79 07 08   0.1106  1.0211    96.5    77.3    24.7
    ...
    2017 10 11    02 18 55.0 -43 30 24   0.06133 1.0363   126.9    50.4    22.6
    ...
    2017 10 19    02 05 14.0 -05 03 49   0.05908 1.0528   163.2    15.8    21.5
    ...
    2017 10 25    01 57 54.0 +17 54 59   0.07459 1.0687   174.1     5.5    21.7
    2017 10 26    01 56 54.4 +20 43 19   0.07819 1.0716   171.6     7.8    21.9
    2017 10 27    01 55 58.8 +23 16 02   0.08200 1.0745   169.2    10.0    22.1
    ...
    2017 11 02    01 51 45.1 +34 13 20   0.1082  1.0939   158.8    19.2    23.0
    ...
    2017 11 10    01 49 28.2 +41 41 32   0.1491  1.1231   151.1    25.2    24.0
    ...
    2017 11 25    01 55 01.1 +46 29 46   0.2377  1.1865   143.4    29.7    25.2
    
    A. U. Tomatic                (C) Copyright 2017 MPC           M.P.E.C. 2017-U216
    

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