• MPC Preparation (Info)

  • MPEC 2017-Y24 : 2017 XU61

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    M.P.E.C. 2017-Y24                                Issued 2017 Dec. 17, 18:23 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 XU61
    
    Observations:
         K17X61U* C2017 12 15.19336 04 10 19.64 +13 40 59.5                UEY024G96
         K17X61U  C2017 12 15.19984 04 10 25.69 +13 42 08.4          20.2 GUEY024G96
         K17X61U  C2017 12 15.20505 04 10 30.53 +13 43 04.3          20.4 GUEY024G96
         K17X61U  C2017 12 15.21026 04 10 35.42 +13 44 00.2          20.3 GUEY024G96
         K17X61U  C2017 12 15.24076604 11 03.01 +13 49 23.9          20.0 GUEY024H01
         K17X61U  C2017 12 15.24700004 11 08.74 +13 50 29.9          20.0 GUEY024H01
         K17X61U  C2017 12 15.25488004 11 15.99 +13 51 53.6          20.0 GUEY024H01
         K17X61U  C2017 12 15.26148204 11 22.06 +13 53 03.4          20.4 GUEY024H01
         K17X61U  C2017 12 15.37739 04 13 08.28 +14 13 03.8          20.4 GUEY024I52
         K17X61U  C2017 12 15.37888 04 13 09.64 +14 13 18.5          20.1 GUEY024I52
         K17X61U  C2017 12 15.38037 04 13 11.00 +14 13 33.7          20.4 GUEY024I52
         K17X61U  C2017 12 15.38186 04 13 12.33 +14 13 48.7          20.2 GUEY024I52
         K17X61U KC2017 12 15.91717 04 21 19.83 +15 37 52.7                UEY024J95
         K17X61U KC2017 12 15.92449 04 21 25.64 +15 38 57.2                UEY024J95
         K17X61U KC2017 12 15.93321 04 21 32.62 +15 40 14.2          20.2 GUEY024J95
         K17X61U  C2017 12 16.14265 04 24 29.03 +16 10 35.1          20.9 GUEY024I52
         K17X61U  C2017 12 16.14628 04 24 31.79 +16 11 05.7          20.6 GUEY024I52
         K17X61U  C2017 12 16.14724 04 24 32.51 +16 11 13.7          21.0 GUEY024I52
         K17X61U  C2017 12 16.39729 04 27 33.96 +16 44 27.6          21.9 RoEY024926
         K17X61U  C2017 12 16.40070 04 27 36.41 +16 44 55.4          21.6 RoEY024926
         K17X61U  C2017 12 16.40414 04 27 38.88 +16 45 21.4          21.5 RoEY024926
         K17X61U |C2017 12 17.13138 04 36 14.62 +18 13 00.4          21.1 GUEY024807
         K17X61U |C2017 12 17.13667 04 36 17.74 +18 13 34.2          21.3 GUEY024807
         K17X61U |C2017 12 17.14178 04 36 20.78 +18 14 06.9          21.2 GUEY024807
    
    Observer details:
    807 Cerro Tololo.  Observers T. Linder, R. Holmes.  1.00-m f/10.0 astrograph
        + CCD.
    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 D. C. Fuls.  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.
    H01 Magdalena Ridge Observatory, Socorro.  Observers W. H. Ryan, E. V. Ryan.
        Measurer W. H. Ryan.  2.4-m f/8.9 reflector + CCD.
    I52 Steward Observatory, Mt. Lemmon Station.  Observers E. J. Christensen,
        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 XU61                                                Earth MOID = 0.0131 AU
    Epoch 2017 Sept. 4.0 TT = JDT 2458000.5                 MPC
    M 338.10899              (2000.0)            P               Q
    n   0.38301855     Peri.  291.09415     +0.94183271     -0.33095263
    a   1.8778296      Node    88.26989     +0.32597123     +0.85718605
    e   0.5576204      Incl.    3.35489     +0.08181631     +0.39459147
    P   2.57           H   26.3           G   0.15           U   7
    Residuals in seconds of arc
    171215 G96 (0.2+  1.8+)   171215 I52  0.0   0.2-    171216 I52  0.4+  0.0
    171215 G96  0.1+  0.4+    171215 I52  0.1+  0.5-    171216 I52  0.4+  0.1-
    171215 G96  0.2-  0.1-    171215 I52  0.1+  0.3-    171216 926  0.2-  1.5-
    171215 G96  0.4+  0.6-    171215 I52  0.3-  0.3-    171216 926  0.3-  0.6+
    171215 H01  0.3+  0.2+    171215 J95  0.0   0.1+    171216 926  0.4-  0.7+
    171215 H01  0.0   0.1-    171215 J95  0.4-  0.0     171217 807  0.3+  0.2-
    171215 H01  0.0   0.1+    171215 J95  0.2+  0.3+    171217 807  0.0   0.2-
    171215 H01  0.0   0.1+    171216 I52  0.1+  0.1-    171217 807  0.2+  0.2-
    
    Ephemeris:
    2017 XU61                a,e,i = 1.88, 0.56, 3                   q = 0.8307
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2017 11 17    18 37 22.2 -33 31 14   0.1891  0.8636    44.3   126.9    27.8
    ...
    2017 12 02    19 59 07.7 -37 46 51   0.06921 0.9400    46.9   130.0    26.1
    ...
    2017 12 10    01 08 54.3 -20 27 39   0.02738 0.9934   107.5    71.0    21.0
    ...
    2017 12 16    04 22 26.7 +15 51 18   0.05589 1.0374   161.7    17.4    21.0
    2017 12 17    04 34 47.0 +17 56 59   0.06311 1.0450   164.2    14.8    21.2
    2017 12 18    04 44 48.2 +19 34 40   0.07057 1.0527   166.0    13.0    21.4
    ...
    2017 12 24    05 19 13.4 +24 35 19   0.1183  1.0998   168.5    10.2    22.5
    ...
    2018 01 01    05 39 01.7 +26 52 58   0.1873  1.1650   164.6    12.9    23.8
    ...
    2018 01 16    05 57 54.1 +28 05 21   0.3332  1.2907   153.6    19.8    25.5
    
    A. U. Tomatic                (C) Copyright 2017 MPC           M.P.E.C. 2017-Y24
    

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