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  • MPEC 2017-R38 : 2017 RU

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    M.P.E.C. 2017-R38                                Issued 2017 Sept. 7, 01:01 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 RU
    
    Observations:
         K17R00U* C2017 09 02.37285 23 29 01.288+20 20 04.62         19.8 iLER038F51
         K17R00U  C2017 09 02.38452 23 29 04.796+20 19 51.84         19.9 iLER038F51
         K17R00U  C2017 09 02.39629 23 29 08.326+20 19 38.85         20.0 iLER038F51
         K17R00U  C2017 09 02.40805 23 29 11.851+20 19 25.66         19.6 iLER038F51
         K17R00U  C2017 09 02.48153123 29 31.70 +20 17 43.4          19.3 GUER038H01
         K17R00U  C2017 09 02.48518523 29 32.83 +20 17 39.0          19.4 GUER038H01
         K17R00U  C2017 09 02.48834623 29 33.81 +20 17 35.1          19.3 GUER038H01
         K17R00U  C2017 09 02.49003923 29 34.33 +20 17 32.9          19.7 GUER038H01
         K17R00U KC2017 09 04.19373723 38 46.40 +19 41 50.7          19.5 VuER038H21
         K17R00U KC2017 09 04.20149123 38 48.80 +19 41 40.0          19.7 VuER038H21
         K17R00U KC2017 09 04.21197323 38 51.99 +19 41 26.7          19.5 VuER038H21
         K17R00U KC2017 09 05.87426 23 47 52.82 +19 01 09.3                UER038J95
         K17R00U KC2017 09 05.88545 23 47 56.41 +19 00 53.1                UER038J95
         K17R00U KC2017 09 05.90026 23 48 01.06 +19 00 31.7                UER038J95
         K17R00U KC2017 09 05.91279 23 48 05.04 +19 00 13.1          19.5 GUER038J95
         K17R00U KC2017 09 06.24795123 49 53.15 +18 51 43.9          19.9 VuER038H21
         K17R00U KC2017 09 06.25316123 49 54.76 +18 51 35.7          20.1 VuER038H21
         K17R00U KC2017 09 06.25576523 49 55.57 +18 51 31.9          19.6 VuER038H21
         K17R00U KC2017 09 06.25837023 49 56.35 +18 51 27.8          20.0 VuER038H21
         K17R00U KC2017 09 06.26097623 49 57.17 +18 51 23.8          19.7 VuER038H21
    
    Observer details:
    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.
    H01 Magdalena Ridge Observatory, Socorro.  Observers W. H. Ryan, E. V. Ryan.
        Measurer W. H. Ryan.  2.4-m f/8.9 reflector + 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, 0.76-m f/3.0 astrograph + CCD.
    J95 Great Shefford.  Observer P. Birtwhistle.  0.40-m f/6.0 Schmidt-Cassegrain
        + CCD.
    
    Orbital elements:
    2017 RU                                                  Earth MOID = 0.1553 AU
    Epoch 2017 Sept. 4.0 TT = JDT 2458000.5                 MPC
    M 358.47088              (2000.0)            P               Q
    n   0.23121889     Peri.  166.92679     +0.98657870     +0.16298654
    a   2.6289793      Node   183.73565     -0.16012261     +0.95381685
    e   0.5597909      Incl.    8.73338     -0.03198788     +0.25232676
    P   4.26           H   22.3           G   0.15           U   7
    Residuals in seconds of arc
    170902 F51  0.0   0.0     170902 H01  0.2+  0.2-    170905 J95  0.1+  0.3+
    170902 F51  0.1-  0.0     170904 H21  0.1+  0.7+    170906 H21  0.1-  0.1+
    170902 F51  0.1-  0.0     170904 H21  0.2+  0.1+    170906 H21  0.0   0.0
    170902 F51  0.1-  0.1-    170904 H21  0.2-  0.7+    170906 H21  0.1+  0.3+
    170902 H01  0.2+  0.2-    170905 J95  0.1-  0.7-    170906 H21  0.2-  0.2+
    170902 H01  0.3+  0.1-    170905 J95  0.3+  0.3-    170906 H21  0.0   0.3+
    170902 H01  0.3+  0.1-    170905 J95  0.3-  0.3+
    
    Ephemeris:
    2017 RU                  a,e,i = 2.63, 0.56, 9                   q = 1.1573
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2017 08 08    21 44 27.6 +20 02 22   0.2517  1.2240   142.9    30.0    21.0
    ...
    2017 08 23    22 38 01.0 +22 01 28   0.1962  1.1784   145.6    29.0    20.4
    ...
    2017 08 31    23 16 31.6 +21 00 20   0.1769  1.1642   148.7    26.8    20.1
    ...
    2017 09 06    23 48 31.6 +18 58 30   0.1680  1.1586   151.7    24.4    19.9
    2017 09 07    23 53 57.5 +18 31 51   0.1670  1.1581   152.2    23.9    19.9
    2017 09 08    23 59 23.3 +18 03 29   0.1662  1.1577   152.7    23.5    19.8
    ...
    2017 09 14    00 31 14.5 +14 42 16   0.1645  1.1580   155.9    20.8    19.7
    ...
    2017 09 22    01 08 55.9 +09 24 41   0.1709  1.1653   159.4    17.7    19.7
    ...
    2017 10 07    01 57 22.6 +00 24 56   0.2076  1.1991   162.5    14.5    20.1
    
    A. U. Tomatic                (C) Copyright 2017 MPC           M.P.E.C. 2017-R38
    

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