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  • MPEC 2017-U68 : 2017 UY

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    M.P.E.C. 2017-U68                                Issued 2017 Oct. 19, 15:15 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 UY
    
    Observations:
         K17U00Y  C2017 10 16.18469 23 02 00.09 +06 25 57.5          20.8 GUEU068G96
         K17U00Y  C2017 10 16.18989 23 01 58.58 +06 28 06.1          20.4 GUEU068G96
         K17U00Y  C2017 10 16.19512 23 01 57.00 +06 30 17.0          21.5 GUEU068G96
         K17U00Y  C2017 10 16.20036 23 01 55.35 +06 32 30.3          20.7 GUEU068G96
         K17U00Y* C2017 10 16.22667 23 01 47.41 +06 43 21.4          21.4 GUEU068G96
         K17U00Y  C2017 10 16.22708 23 01 47.25 +06 43 31.5          20.9 GUEU068G96
         K17U00Y  C2017 10 16.22748 23 01 47.17 +06 43 41.4          20.3 GUEU068G96
         K17U00Y  C2017 10 16.22789 23 01 47.05 +06 43 50.0          21.4 GUEU068G96
         K17U00Y  C2017 10 16.33280 23 01 16.97 +07 26 18.9          21.2 GUEU068I52
         K17U00Y  C2017 10 16.33564 23 01 16.20 +07 27 25.8          20.8 GUEU068I52
         K17U00Y  C2017 10 16.33859 23 01 15.43 +07 28 36.2          20.3 GUEU068I52
         K17U00Y  C2017 10 16.34172 23 01 14.57 +07 29 50.6          20.9 GUEU068I52
         K17U00Y  C2017 10 17.15422 22 58 42.42 +12 18 20.2          21.0 GUEU068I52
         K17U00Y  C2017 10 17.15934 22 58 41.22 +12 19 57.4          21.2 GUEU068I52
         K17U00Y  C2017 10 17.16469 22 58 39.94 +12 21 38.5          20.8 GUEU068I52
         K17U00Y  C2017 10 17.16878 22 58 38.97 +12 22 55.8          20.5 GUEU068I52
         K17U00Y  C2017 10 17.20095 22 58 31.28 +12 33 02.4          20.7 RoEU068926
         K17U00Y  C2017 10 17.20600 22 58 30.09 +12 34 36.9          20.7 RoEU068926
         K17U00Y  C2017 10 17.21103 22 58 28.90 +12 36 10.9          20.9 RoEU068926
         K17U00Y KC2017 10 18.09211822 56 13.11 +16 39 03.4          21.7 VuEU068H21
         K17U00Y KC2017 10 18.10183422 56 11.27 +16 41 25.9          21.8 VuEU068H21
         K17U00Y KC2017 10 18.11613122 56 08.62 +16 44 55.1          22.1 VuEU068H21
    
    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 A. D. Grauer.  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.  1.3-m f/4.0
        astrograph + CCD.
    I52 Steward Observatory, Mt. Lemmon Station.  Observer R. G. Matheny.
        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 UY                                                  Earth MOID = 0.0223 AU
    Epoch 2017 Sept. 4.0 TT = JDT 2458000.5                 MPC
    M  23.96239              (2000.0)            P               Q
    n   0.83518107     Peri.  270.12461     +0.32051913     +0.93774540
    a   1.1167320      Node    20.20875     -0.63904265     +0.31832700
    e   0.2816872      Incl.   22.78755     -0.69920811     +0.13892976
    P   1.18           H   26.3           G   0.15           U   8
    Residuals in seconds of arc
    171016 G96  0.5-  0.5+    171016 I52  0.0   0.8+    171017 926  0.1-  0.2-
    171016 G96  0.6+  1.0-    171016 I52  0.1-  0.0     171017 926  0.1+  0.0
    171016 G96  0.7+  0.8-    171016 I52  0.2+  0.1+    171017 926  0.2+  0.4+
    171016 G96  0.1-  1.8+    171016 I52  0.2-  0.0     171018 H21  0.3-  0.5+
    171016 G96  0.1-  0.1+    171017 I52  0.3-  0.1-    171018 H21  0.3-  0.0
    171016 G96  0.6-  0.1+    171017 I52  0.0   0.0     171018 H21  0.5+  0.4-
    171016 G96  0.0   0.1+    171017 I52  0.0   0.1-
    171016 G96  0.0   1.4-    171017 I52  0.2+  0.1-
    
    Ephemeris:
    2017 UY                  a,e,i = 1.12, 0.28, 23                  q = 0.8022
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2017 09 19    10 25 57.8 -51 57 58   0.1993  0.9087    56.1   113.4    27.0
    ...
    2017 10 04    09 45 34.4 -66 52 05   0.07593 0.9762    69.4   106.5    24.6
    ...
    2017 10 12    23 40 14.6 -46 06 45   0.02887 1.0141   123.1    55.6    20.7
    ...
    2017 10 18    22 56 24.6 +16 17 00   0.05822 1.0428   141.8    36.2    21.7
    2017 10 19    22 54 18.2 +19 58 23   0.06594 1.0475   140.1    37.6    22.0
    2017 10 20    22 52 40.0 +22 52 30   0.07389 1.0523   138.5    38.9    22.3
    ...
    2017 10 26    22 48 31.7 +32 05 30   0.1241  1.0807   131.7    43.4    23.6
    ...
    2017 11 03    22 50 20.4 +36 35 47   0.1937  1.1179   126.4    45.6    24.7
    ...
    2017 11 18    23 03 53.0 +39 30 02   0.3276  1.1841   119.4    46.7    26.0
    
    A. U. Tomatic                (C) Copyright 2017 MPC           M.P.E.C. 2017-U68
    

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