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  • MPEC 2017-B38 : 2017 BY

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    M.P.E.C. 2017-B38                                Issued 2017 Jan. 21, 23:53 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 BY
    
    Observations:
         K17B00Y* C2017 01 20.56409 10 26 57.068-05 28 40.02         19.8 iLEB038F51
         K17B00Y  C2017 01 20.57662 10 26 51.195-05 28 19.09         20.1 iLEB038F51
         K17B00Y  C2017 01 20.58914 10 26 45.339-05 27 58.15         19.9 iLEB038F51
         K17B00Y  C2017 01 20.60163 10 26 39.552-05 27 37.03         19.9 iLEB038F51
         K17B00Y KC2017 01 20.96443310 24 36.85 -05 14 33.6          19.8 GUEB038K93
         K17B00Y KC2017 01 20.96931810 24 34.73 -05 14 26.0          19.6 GUEB038K93
         K17B00Y KC2017 01 20.97180 10 24 34.49 -05 18 51.9          19.5  tEB038104
         K17B00Y KC2017 01 20.97243 10 24 34.93 -05 19 06.7                qEB038J95
         K17B00Y KC2017 01 20.97338310 24 32.96 -05 14 19.8          19.7 GUEB038K93
         K17B00Y KC2017 01 20.98087 10 24 31.47 -05 18 54.0                qEB038J95
         K17B00Y KC2017 01 20.98287 10 24 29.85 -05 18 34.9          19.2  tEB038104
         K17B00Y KC2017 01 20.99060 10 24 27.57 -05 18 38.5          19.7 RqEB038J95
         K17B00Y KC2017 01 20.99394 10 24 25.14 -05 18 17.4          19.1  tEB038104
         K17B00Y KC2017 01 21.00506 10 24 18.73 -05 18 10.6          19.0 RoEB038K88
         K17B00Y KC2017 01 21.00910 10 24 17.01 -05 18 04.8          19.2 RoEB038K88
         K17B00Y KC2017 01 21.01370 10 24 15.09 -05 17 56.7                oEB038K88
         K17B00Y KC2017 01 21.11568 10 23 34.03 -05 15 12.1          19.5 GUEB038204
         K17B00Y KC2017 01 21.12372 10 23 30.64 -05 14 58.7                UEB038204
         K17B00Y KC2017 01 21.13245 10 23 26.97 -05 14 45.0                UEB038204
         K17B00Y KC2017 01 21.95162 10 19 02.00 -04 54 02.9          20.4 VqEB038I93
         K17B00Y KC2017 01 21.96031 10 18 58.87 -04 53 51.3          19.8 VqEB038I93
         K17B00Y KC2017 01 21.96776 10 18 56.11 -04 53 40.7          19.6 VqEB038I93
         K17B00Y  C2017 01 21.97911 10 18 49.68 -04 53 34.4                qEB038246
         K17B00Y  C2017 01 21.98057 10 18 49.05 -04 53 32.6                qEB038246
         K17B00Y  C2017 01 21.98109 10 18 48.97 -04 53 32.2                qEB038246
         K17B00Y  C2017 01 21.98197 10 18 48.44 -04 53 31.6                qEB038246
    
    Observer details:
    104 San Marcello Pistoiese.  Observers P. Bacci, M. Maestripieri.  Measurers
        P. Bacci, L. Tesi, G. Fagioli.  0.60-m f/4 reflector + CCD.
    204 Schiaparelli Observatory.  Observer L. Buzzi.  0.60-m f/4.64 reflector
        + CCD.
    246 Klet Observatory-KLENOT.  Observers M. Tichy, J. Ticha.  Measurer M. Tichy.
        1.06-m KLENOT Telescope + CCD.
    F51 Pan-STARRS 1, Haleakala.  Observers B. Gibson, T. Goggia, S. Kahale,
        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.
    I93 St Pardon de Conques.  Observer F. Losse.  0.40-m f/3.7 reflector + CCD.
    J95 Great Shefford.  Observer P. Birtwhistle.  0.40-m f/6.0 Schmidt-Cassegrain
        + CCD.
    K88 GINOP-KHK, Piszkesteto.  Observer A. Sodor.  Measurer K. Sarneczky.
        0.60-m Schmidt + CCD.
    K93 Sutherland-LCOGT C.  Observers T. Lister, S. Greenstreet, E. Gomez.
        Measurer T. Lister.  1.0-m f/8 Ritchey-Chretien + CCD.
    
    Orbital elements:
    2017 BY                                                  Earth MOID = 0.0016 AU
    Epoch 2017 Feb. 16.0 TT = JDT 2457800.5                 MPC
    M  53.62931              (2000.0)            P               Q
    n   0.72496307     Peri.  137.85437     +0.39352845     -0.91847937
    a   1.2272286      Node   288.93754     +0.83202658     +0.37394307
    e   0.2438075      Incl.    2.37084     +0.39098227     +0.12869430
    P   1.36           H   25.5           G   0.15           U   6
    Residuals in seconds of arc
    170120 F51  0.1-  0.1+    170120 J95  0.5-  0.4-    170121 204  0.8-  0.1+
    170120 F51  0.1+  0.1+    170120 104  0.0   0.2-    170121 I93  0.1+  0.1+
    170120 F51  0.0   0.0     170120 J95  0.1+  0.3+    170121 I93  0.4+  0.4-
    170120 F51  0.1+  0.1+    170120 104  0.7-  0.3+    170121 I93  0.2-  0.2-
    170120 K93  0.0   0.3-    170121 K88  0.5+  0.1+    170121 246 (2.4+  2.0+)
    170120 K93  0.0   0.1-    170121 K88  0.3+  0.4-    170121 246 (1.2+  1.8+)
    170120 104  0.0   0.2-    170121 K88  0.6+  0.6+    170121 246 (2.9+  1.4+)
    170120 J95  0.3+  0.2-    170121 204  0.2+  0.3-    170121 246  0.2-  0.8+
    170120 K93  0.0   0.1-    170121 204  0.3-  0.3+
    
    Ephemeris:
    2017 BY                  a,e,i = 1.23, 0.24, 2                   q = 0.9280
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2016 12 22    20 08 41.2 -04 47 28   0.05248 0.9417    35.9   142.2    26.1
    ...
    2017 01 06    16 49 24.9 -14 22 17   0.01487 0.9710    33.7   145.8    24.0
    ...
    2017 01 14    11 39 22.6 -09 57 25   0.02171 0.9926   114.0    64.9    19.5
    ...
    2017 01 20    10 30 42.8 -05 42 49   0.03666 1.0109   136.5    42.1    20.0
    2017 01 21    10 24 18.4 -05 15 22   0.03935 1.0141   138.9    39.6    20.1
    2017 01 22    10 18 38.9 -04 50 21   0.04207 1.0173   141.2    37.3    20.2
    ...
    2017 01 28    09 54 47.2 -02 51 54   0.05910 1.0375   152.3    26.2    20.6
    ...
    2017 02 05    09 36 56.0 -00 53 46   0.08390 1.0661   162.2    16.4    21.1
    ...
    2017 02 20    09 22 08.7 +01 59 12   0.1388  1.1230   164.4    13.7    22.2
    
    A. U. Tomatic                (C) Copyright 2017 MPC           M.P.E.C. 2017-B38
    

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