• MPC Preparation (Info)

  • MPEC 2012-A17 : 2011 YL63

    The following Minor Planet Electronic Circular may be linked-to from your own Web pages, but must not otherwise be redistributed electronically.

    A form allowing access to any MPEC is at the bottom of this page.


    Read MPEC 2012-A16 Read MPEC 2012-A18


    M.P.E.C. 2012-A17                                Issued 2012 Jan. 3, 18:07 UT
    
         The Minor Planet Electronic Circulars contain information on unusual
             minor planets and routine data on comets.  They are published
       on behalf of Commission 20 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
    
                                       2011 YL63
    
    Observations:
         K11Y63L* C2011 12 31.19707 05 24 45.32 +12 02 48.6          21.2 VrEA017G96
         K11Y63L  C2011 12 31.20452 05 24 44.02 +12 02 59.9          20.6 VrEA017G96
         K11Y63L  C2011 12 31.21197 05 24 42.84 +12 03 10.2          21.0 VrEA017G96
         K11Y63L  C2011 12 31.21951 05 24 41.54 +12 03 21.1          20.3 VrEA017G96
         K11Y63L  C2011 12 31.36979 05 24 16.12 +12 06 57.7          21.6 VrEA017G96
         K11Y63L  C2011 12 31.37097 05 24 15.94 +12 06 59.9          21.1 VrEA017G96
         K11Y63L  C2011 12 31.37201 05 24 15.80 +12 07 00.8          21.2 VrEA017G96
         K11Y63L  C2011 12 31.37426 05 24 15.40 +12 07 03.4          21.2 VrEA017G96
         K11Y63L  C2011 12 31.37544 05 24 15.24 +12 07 04.9          21.4 VrEA017G96
         K11Y63L  C2011 12 31.37649 05 24 15.04 +12 07 06.9          21.0 VrEA017G96
         K11Y63L  C2011 12 31.37766 05 24 14.82 +12 07 08.7          20.9 VrEA017G96
         K11Y63L %C2011 12 31.42518905 24 07.40 +12 08 20.3          21.0 RoEA017F65
         K11Y63L %C2011 12 31.42658205 24 07.16 +12 08 22.1          21.1 RoEA017F65
         K11Y63L %C2011 12 31.42803005 24 06.93 +12 08 24.5          21.2 RoEA017F65
         K11Y63L %C2011 12 31.42948205 24 06.69 +12 08 26.4          21.2 RoEA017F65
         K11Y63L |C2012 01 01.09019 05 22 21.77 +12 24 10.2          21.5 VoEA017807
         K11Y63L |C2012 01 01.10169 05 22 19.90 +12 24 25.7          22.0 VoEA017807
         K11Y63L mC2012 01 02.19118 05 19 34.89 +12 48 50.6                oEA017291
         K11Y63L mC2012 01 02.19328 05 19 34.59 +12 48 53.2                oEA017291
         K11Y63L mC2012 01 02.19538 05 19 34.25 +12 48 55.4                oEA017291
         K11Y63L mC2012 01 03.18993 05 17 12.76 +13 10 25.5                oEA017291
         K11Y63L mC2012 01 03.19192 05 17 12.42 +13 10 27.8                oEA017291
    
    Observer details:
    291 LPL/Spacewatch II.  Observer T. H. Bressi.  1.8-m f/2.7 reflector + CCD.
    807 Cerro Tololo.  Observers R. Holmes, T. Linder, V. Hoette.  Measurers
        R. Holmes, T. Linder.  0.41-m f/11 Ritchey-Chretien + CCD.
    F65 Haleakala-Faulkes Telescope North.  Observer T. Lister.  2.0-m f/10
        Ritchey-Chretien + CCD.
    G96 Mt. Lemmon Survey.  Observer A. R. Gibbs.  Measurers J. D. Ahern,
        E. C. Beshore, A. Boattini, A. R. Gibbs, A. D. Grauer, R. E. Hill,
        R. A. Kowalski, S. M. Larson, R. H. McNaught.  1.5-m reflector + CCD.
    
    Orbital elements:
    2011 YL63                                                Earth MOID = 0.1688 AU
    Epoch 2012 Mar. 14.0 TT = JDT 2456000.5                 MPC
    M  59.89366              (2000.0)            P               Q
    n   0.38619805     Peri.  204.90329     +0.61383204     +0.72138271
    a   1.8675088      Node   104.65466     -0.65737085     +0.69198476
    e   0.8496893      Incl.   19.35580     -0.43711989     -0.02764184
    P   2.55           H   20.5           G   0.15           U   9
    Residuals in seconds of arc
    111231 G96  0.2-  0.3-    111231 G96  0.6+  0.5-    120101 807  0.1+  0.4-
    111231 G96  0.8-  0.2+    111231 G96  0.2+  0.0     120102 291  0.1-  0.3+
    111231 G96  0.5+  0.3-    111231 G96  0.1-  0.1+    120102 291  0.1+  0.1+
    111231 G96  0.2+  0.4-    111231 F65  0.2-  0.1+    120102 291  0.2-  0.5-
    111231 G96  0.4-  0.3+    111231 F65  0.2-  0.1-    120103 291  0.5+  0.1+
    111231 G96  0.1-  0.8+    111231 F65  0.0   0.3+    120103 291  0.4-  0.1-
    111231 G96  0.4+  0.2+    111231 F65  0.0   0.1+
    111231 G96  0.0   0.4-    120101 807  0.3+  0.2+
    
    Ephemeris:
    2011 YL63                a,e,i = 1.87, 0.85, 19                  q = 0.2807
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2011 12 04    07 58 12.2 -08 11 26   0.3316  1.1972   122.6    43.9    20.2
    ...
    2011 12 19    06 12 16.6 +05 28 46   0.4448  1.4119   160.9    13.2    20.3
    ...
    2011 12 27    05 37 46.9 +10 11 24   0.5487  1.5174   163.4    10.7    20.8
    ...
    2012 01 02    05 20 02.9 +12 44 40   0.6409  1.5929   156.9    14.0    21.3
    2012 01 03    05 17 38.9 +13 06 27   0.6572  1.6052   155.7    14.6    21.4
    2012 01 04    05 15 23.4 +13 27 19   0.6738  1.6175   154.4    15.2    21.5
    ...
    2012 01 10    05 04 29.2 +15 16 00   0.7784  1.6893   146.8    18.6    22.0
    ...
    2012 01 18    04 55 38.6 +17 07 41   0.9291  1.7810   137.2    22.1    22.7
    ...
    2012 02 02    04 50 58.9 +19 35 59   1.2375  1.9419   121.3    25.7    23.6
    
    A. U. Tomatic                (C) Copyright 2012 MPC           M.P.E.C. 2012-A17
    

    Read MPEC 2012-A16 Read MPEC 2012-A18


    MPEC number:

    Enter an MPEC number in one of the following forms:

    • 1997-B01 (the full form)
    • J97B01 (the packed version of the full form)
    • B01 (the abbreviated form)