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  • MPEC 2017-S44 : 2017 RU15

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    M.P.E.C. 2017-S44                                Issued 2017 Sept. 18, 15:29 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 RU15
    
    Observations:
         K17R15U* C2017 09 15.33220 21 14 09.746-16 44 05.32         19.5 wLES044F51
         K17R15U  C2017 09 15.34319 21 14 12.202-16 42 18.75         19.5 wLES044F51
         K17R15U  C2017 09 15.35418 21 14 14.658-16 40 32.07         19.5 wLES044F51
         K17R15U |C2017 09 16.02335 21 17 03.18 -14 55 20.9          20.0 VuES044807
         K17R15U |C2017 09 16.02465 21 17 03.46 -14 55 09.4          20.0 VuES044807
         K17R15U |C2017 09 16.02596 21 17 03.73 -14 54 57.9          19.7 VuES044807
         K17R15U  C2017 09 16.16344 21 17 35.37 -14 35 53.8          19.2 VqES044I52
         K17R15U  C2017 09 16.16387 21 17 35.47 -14 35 50.0          18.8 VqES044I52
         K17R15U  C2017 09 16.16471 21 17 35.65 -14 35 42.7          18.6 VqES044I52
         K17R15U KC2017 09 16.22140321 17 45.59 -14 27 27.6          19.6 VuES044H21
         K17R15U KC2017 09 16.22398721 17 46.14 -14 27 05.0          19.5 VuES044H21
         K17R15U KC2017 09 16.22648821 17 46.64 -14 26 42.7          19.8 VuES044H21
         K17R15U KC2017 09 16.22965621 17 47.32 -14 26 15.2          19.6 VuES044H21
         K17R15U _C2017 09 16.29519721 18 05.880-14 16 22.75         19.5 RtES044568
         K17R15U _C2017 09 16.29804521 18 06.441-14 15 58.00         19.2 RtES044568
         K17R15U _C2017 09 16.30090621 18 07.010-14 15 33.15         19.2 RtES044568
         K17R15U KC2017 09 17.15501121 21 13.42 -12 17 24.0          19.9 VuES044H21
         K17R15U KC2017 09 17.15803521 21 13.97 -12 16 59.9          19.9 VuES044H21
         K17R15U KC2017 09 17.16247121 21 14.79 -12 16 24.7          19.9 VuES044H21
         K17R15U  C2017 09 17.24073 21 21 30.69 -12 05 59.3                qES044I52
         K17R15U  C2017 09 17.24172 21 21 30.90 -12 05 51.6                qES044I52
         K17R15U  C2017 09 17.24271 21 21 31.06 -12 05 43.8                qES044I52
         K17R15U  C2017 09 17.24370 21 21 31.24 -12 05 36.0          19.6 VqES044I52
         K17R15U  C2017 09 18.14935 21 24 33.52 -10 12 26.0          19.4 VqES044I52
         K17R15U  C2017 09 18.15020 21 24 33.68 -10 12 18.9          19.8 VoES044691
         K17R15U  C2017 09 18.15032 21 24 33.67 -10 12 18.8          19.2 VqES044I52
         K17R15U  C2017 09 18.15130 21 24 33.84 -10 12 12.0          19.8 VqES044I52
         K17R15U  C2017 09 18.15227 21 24 33.99 -10 12 04.9          19.6 VqES044I52
         K17R15U  C2017 09 18.15696 21 24 34.80 -10 11 30.7          19.6 VoES044691
         K17R15U  C2017 09 18.16366 21 24 35.90 -10 10 43.4          19.8 VoES044691
    
    Observer details:
    568 Mauna Kea.  Observers R. J. Wainscoat, C. Crowder.  Measurers M. Micheli,
        R. J. Wainscoat.  3.6-m Canada-France-Hawaii Telescope + CCD.
    691 Steward Observatory, Kitt Peak.  Observer T. H. Bressi.  0.9-m f/3
        reflector + CCD.
    807 Cerro Tololo.  Observers T. Linder, R. Holmes.  0.61-m f/6.5 astrograph
        + CCD.
    F51 Pan-STARRS 1, Haleakala.  Observers J. Bulger, T. Lowe, A. Schultz,
        M. Willman.  Measurers K. Chambers, S. Chastel, L. Denneau, H. Flewelling,
        M. Huber, E. Lilly, E. Magnier, R. Wainscoat, C. Waters, R. Weryk.  1.8-m
        Ritchey-Chretien + CCD.
    H21 Astronomical Research Observatory, Westfield.  Observer R. Holmes.
        Measurers S. Foglia, L. Buzzi, T. Linder, R. Holmes.  0.61-m f/4.5
        astrograph + CCD, 1.3-m f/4.0 astrograph + CCD.
    I52 Steward Observatory, Mt. Lemmon Station.  Observer J. A. Johnson.
        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 RU15                                                Earth MOID = 0.0490 AU
    Epoch 2017 Sept. 4.0 TT = JDT 2458000.5                 MPC
    M  35.51209              (2000.0)            P               Q
    n   0.64985368     Peri.  279.59879     -0.01147482     +0.99898798
    a   1.3200559      Node   349.44775     -0.79877352     -0.03532116
    e   0.3520579      Incl.   13.73767     -0.60152240     +0.02784669
    P   1.52           H   22.8           G   0.15           U   7
    Residuals in seconds of arc
    170915 F51  0.0   0.1-    170916 H21  0.2+  0.1-    170917 I52  0.5+  0.1-
    170915 F51  0.1-  0.1-    170916 H21  0.2-  0.1+    170917 I52  0.2+  0.1-
    170915 F51  0.0   0.1+    170916 H21  0.1+  0.4-    170917 I52  0.2+  0.1-
    170916 807  0.2-  0.2+    170916 568  0.2+  0.3+    170918 I52  0.3+  0.3-
    170916 807  0.1-  0.1+    170916 568  0.2+  0.2+    170918 691  0.3-  0.2+
    170916 807  0.2-  0.1-    170916 568  0.2+  0.2+    170918 I52  0.2+  0.0
    170916 I52  0.0   0.1+    170917 H21  0.0   0.4-    170918 I52  0.3+  0.2-
    170916 I52  0.2+  0.2+    170917 H21  0.1-  0.4-    170918 I52  0.1+  0.0
    170916 I52  0.3+  0.0     170917 H21  0.1-  0.4-    170918 691  0.2-  0.4+
    170916 H21  0.0   0.2+    170917 I52  0.0   0.0     170918 691  0.3-  0.0
    
    Ephemeris:
    2017 RU15                a,e,i = 1.32, 0.35, 14                  q = 0.8553
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2017 08 19    10 59 25.5 -46 29 57   0.1455  0.9506    61.2   111.1    22.7
    ...
    2017 09 03    17 25 05.2 -69 06 53   0.07041 1.0239   100.5    75.7    19.7
    ...
    2017 09 11    20 48 18.6 -31 35 30   0.08132 1.0668   136.0    40.9    19.1
    ...
    2017 09 17    21 20 40.7 -12 37 11   0.1140  1.0999   144.5    32.1    19.7
    2017 09 18    21 24 03.3 -10 29 38   0.1205  1.1055   144.8    31.6    19.8
    2017 09 19    21 27 07.0 -08 34 58   0.1272  1.1111   144.9    31.3    19.9
    ...
    2017 09 25    21 41 15.3 -00 23 30   0.1707  1.1447   143.6    31.4    20.6
    ...
    2017 10 03    21 54 42.6 +05 32 51   0.2348  1.1898   139.8    32.8    21.4
    ...
    2017 10 18    22 15 42.8 +10 42 01   0.3687  1.2728   132.0    35.6    22.6
    
    A. U. Tomatic                (C) Copyright 2017 MPC           M.P.E.C. 2017-S44
    

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