• MPC Preparation (Info)

  • MPEC 2017-Y138: 2017 YB6

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    Read MPEC 2017-Y137 Read MPEC 2017-Y139


    M.P.E.C. 2017-Y138                               Issued 2017 Dec. 28, 23:05 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 YB6
    
    Observations:
         K17Y06B* C2017 12 26.27674 07 19 25.80 +20 59 27.5          20.2 GUEY138G96
         K17Y06B  C2017 12 26.28185 07 19 34.86 +21 01 36.6          20.2 GUEY138G96
         K17Y06B  C2017 12 26.28696 07 19 43.88 +21 03 46.1          20.7 GUEY138G96
         K17Y06B  C2017 12 26.29210 07 19 53.03 +21 05 56.5          20.2 GUEY138G96
         K17Y06B  C2017 12 26.31637 07 20 36.41 +21 16 18.7          20.6 GUEY138G96
         K17Y06B  C2017 12 26.31660 07 20 36.83 +21 16 24.4          20.3 GUEY138G96
         K17Y06B  C2017 12 26.31706 07 20 37.65 +21 16 36.0          19.9 GUEY138G96
         K17Y06B  C2017 12 26.42199 07 23 51.74 +22 01 59.2          20.0 GUEY138I52
         K17Y06B  C2017 12 26.42365 07 23 54.87 +22 02 42.1                UEY138I52
         K17Y06B  C2017 12 26.42531 07 23 58.09 +22 03 26.6                UEY138I52
         K17Y06B  C2017 12 26.42697 07 24 01.28 +22 04 10.3          20.6 GUEY138I52
         K17Y06B  C2017 12 26.45938 07 25 04.18 +22 18 25.3          20.1 GUEY138I52
         K17Y06B  C2017 12 26.46104 07 25 07.45 +22 19 09.9          19.8 GUEY138I52
         K17Y06B  C2017 12 26.46273 07 25 10.79 +22 19 54.6          20.3 GUEY138I52
         K17Y06B  C2017 12 26.46439 07 25 14.06 +22 20 38.3          19.8 GUEY138I52
         K17Y06B  C2017 12 27.32736 08 04 50.70 +29 59 26.2          19.5 GUEY138G96
         K17Y06B  C2017 12 27.32776 08 04 52.10 +29 59 40.8          19.3 GUEY138G96
         K17Y06B  C2017 12 27.32817 08 04 53.48 +29 59 56.5          20.0 GUEY138G96
         K17Y06B  C2017 12 27.32857 08 04 54.84 +30 00 11.9          19.5 GUEY138G96
         K17Y06B KC2017 12 27.34737708 05 47.33 +30 10 55.3          20.7 VuEY138H21
         K17Y06B KC2017 12 27.34883408 05 52.31 +30 11 48.9          20.6 VuEY138H21
         K17Y06B  C2017 12 27.40560 08 09 20.35 +30 48 00.6          20.0 GUEY138I52
         K17Y06B  C2017 12 27.40635 08 09 22.92 +30 48 28.5          19.8 GUEY138I52
         K17Y06B  C2017 12 27.40710 08 09 25.66 +30 48 56.6          19.4 GUEY138I52
         K17Y06B  C2017 12 27.40908 08 09 32.63 +30 50 11.1          19.8 GUEY138I52
         K17Y06B KC2017 12 28.04077308 58 31.13 +37 46 14.1          19.8 GUEY138J95
         K17Y06B KC2017 12 28.04506408 58 54.91 +37 49 10.5          19.6 GUEY138J95
         K17Y06B KC2017 12 28.04935208 59 18.63 +37 52 06.7          19.8 GUEY138J95
         K17Y06B  C2017 12 28.47600 09 45 23.46 +42 31 15.1          20.3 RoEY138926
         K17Y06B  C2017 12 28.47728 09 45 32.61 +42 32 00.3          20.0 RoEY138926
         K17Y06B  C2017 12 28.47858 09 45 41.83 +42 32 45.7          19.9 RoEY138926
    
    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.  Observer 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.  0.61-m f/4.5
        astrograph + 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.
    J95 Great Shefford.  Observer P. Birtwhistle.  0.40-m f/6.0 Schmidt-Cassegrain
        + CCD.
    
    Orbital elements:
    2017 YB6                                                 Earth MOID = 0.0128 AU
    Epoch 2017 Sept. 4.0 TT = JDT 2458000.5                 MPC
    M 285.07235              (2000.0)            P               Q
    n   0.48074015     Peri.   56.74156     -0.86600569     -0.46478821
    a   1.6138474      Node    94.94925     +0.37467298     -0.84738085
    e   0.4656194      Incl.   10.66681     +0.33114091     -0.25674426
    P   2.05           H   27.6           G   0.15           U   7
    Residuals in seconds of arc
    171226 G96  0.9-  0.0     171226 I52  0.4-  0.3-    171227 I52  0.3+  0.0
    171226 G96  0.6-  0.6-    171226 I52  0.4-  0.2+    171227 I52 (1.5+  0.1+)
    171226 G96  1.1-  1.1-    171226 I52  0.3-  0.1+    171227 I52  1.0+  0.5+
    171226 G96 (0.7-  1.5-)   171226 I52  0.5-  0.3-    171228 J95  0.2-  0.3-
    171226 G96  0.3-  0.5+    171227 G96  0.9-  0.3+    171228 J95  0.4+  0.4-
    171226 G96  0.2-  0.3+    171227 G96  0.2-  0.0     171228 J95  0.1-  0.4-
    171226 G96  0.2-  0.2+    171227 G96  0.2-  0.5+    171228 926  0.1-  1.3+
    171226 I52  1.2+  0.2+    171227 G96  0.0   1.1+    171228 926  0.2+  1.4+
    171226 I52  0.5+  0.5-    171227 H21  0.6-  0.4+    171228 926  0.4-  1.0+
    171226 I52  1.1+  0.4+    171227 H21  0.6-  0.5+
    171226 I52  1.1+  0.4+    171227 I52  1.4+  0.1+
    
    Ephemeris:
    2017 YB6                 a,e,i = 1.61, 0.47, 11                  q = 0.8624
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2017 11 28    05 40 29.6 -01 07 39   0.2366  1.1963   149.4    24.8    26.0
    ...
    2017 12 13    05 52 52.0 -00 18 27   0.1176  1.0925   155.3    22.1    24.2
    ...
    2017 12 21    06 13 00.1 +04 33 41   0.05961 1.0402   160.7    18.2    22.5
    ...
    2017 12 27    07 47 17.7 +26 49 10   0.02121 1.0035   160.5    19.1    20.2
    2017 12 28    08 54 27.3 +37 20 24   0.01715 0.9976   145.5    34.0    20.2
    2017 12 29    10 57 47.5 +46 30 36   0.01548 0.9918   122.5    56.7    20.6
    ...
    2018 01 04    16 34 34.9 +20 54 59   0.04506 0.9588    55.9   121.8    25.8
    ...
    2018 01 12    17 09 54.5 +12 25 03   0.1005  0.9206    48.9   126.3    27.8
    ...
    2018 01 27    17 32 01.9 +07 04 33   0.2084  0.8727    52.2   116.9    28.5
    
    A. U. Tomatic                (C) Copyright 2017 MPC           M.P.E.C. 2017-Y138
    

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