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  • MPEC 2008-Y81 : 2008 YE30

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    M.P.E.C. 2008-Y81                                Issued 2008 Dec. 31, 15:08 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 http://www.cfa.harvard.edu/iau/mpc.html  ISSN 1523-6714
    
                                       2008 YE30
    
    Observations:
         K08Y30E  C2008 12 22.41881 08 54 26.16 +18 03 18.3          21.3 V EY081691
         K08Y30E  C2008 12 22.43695 08 54 26.76 +18 02 54.7          21.2 V EY081691
         K08Y30E  C2008 12 22.45533 08 54 27.40 +18 02 30.6          21.4 V EY081691
         K08Y30E* C2008 12 30.46864 08 59 01.33 +14 26 24.6          20.9 V EY081691
         K08Y30E  C2008 12 30.48676 08 59 01.72 +14 25 48.1          20.8 V EY081691
         K08Y30E  C2008 12 30.50488 08 59 02.09 +14 25 11.5          20.8 V EY081691
         K08Y30E  C2008 12 30.54080 08 59 02.92 +14 23 57.7          21.0 V EY081291
         K08Y30E  C2008 12 30.54465 08 59 03.03 +14 23 49.4          21.1 V EY081291
         K08Y30E  C2008 12 30.54951 08 59 03.11 +14 23 39.4          20.9 V EY081291
         K08Y30E  C2008 12 31.30996 08 59 26.00 +13 57 19.5          20.9 V EY081291
         K08Y30E  C2008 12 31.31386 08 59 26.06 +13 57 11.7          20.8 V EY081291
         K08Y30E  C2008 12 31.31779 08 59 26.16 +13 57 03.0          20.9 V EY081291
         K08Y30E  C2008 12 31.47733 08 59 29.35 +13 51 21.7          21.1 V EY081291
         K08Y30E  C2008 12 31.48115 08 59 29.40 +13 51 13.4          21.0 V EY081291
         K08Y30E  C2008 12 31.48495 08 59 29.46 +13 51 05.1          20.8 V EY081291
    
    Observer details:
    291 LPL/Spacewatch II.  Observer R. S. McMillan.  1.8-m f/2.7 reflector + CCD.
    691 Steward Observatory, Kitt Peak.  Observers T. H. Bressi, R. S. McMillan.
        0.9-m f/3 reflector + CCD.
    
    Orbital elements:
    2008 YE30                                           PHA, Earth MOID = 0.0496 AU
    Epoch 2008 Nov. 30.0 TT = JDT 2454800.5                 MPC
    M 331.92011              (2000.0)            P               Q
    n   0.26696963     Peri.  288.40141     -0.79777006     +0.55490309
    a   2.3886993      Node   285.94389     -0.41771880     -0.79075814
    e   0.7352820      Incl.   14.20137     -0.43482634     -0.25842623
    P   3.69           H   20.9           G   0.15           U   7
    Residuals in seconds of arc
    081222 691  0.0   0.1+    081230 691  0.2-  0.5+    081231 291  0.4-  0.3+
    081222 691  0.2-  0.0     081230 291  0.0   0.1+    081231 291  0.1-  0.1-
    081222 691  0.1+  0.2-    081230 291  0.2+  0.3-    081231 291  0.5+  0.0
    081230 691  0.2+  0.2-    081230 291  0.3-  0.3-    081231 291  0.1+  0.0
    081230 691  0.2+  0.2+    081231 291  0.1-  0.1-    081231 291  0.2-  0.1-
    
    Ephemeris:
    2008 YE30                a,e,i = 2.39, 0.74, 14                  q = 0.6323
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2008 12 30    08 58.80   +14 42.1    0.433    1.363   145.6    24.1    20.9
    2009 01 01    08 59.73   +13 32.4    0.403    1.340   147.0    23.6    20.7
    2009 01 03    09 00.56   +12 13.1    0.374    1.316   148.3    23.1    20.5
    2009 01 05    09 01.29   +10 41.8    0.345    1.293   149.5    22.7    20.2
    2009 01 07    09 01.92   +08 55.9    0.317    1.269   150.5    22.4    20.0
    2009 01 09    09 02.44   +06 51.6    0.290    1.245   151.2    22.4    19.8
    2009 01 11    09 02.86   +04 24.0    0.263    1.221   151.5    22.6    19.5
    2009 01 13    09 03.16   +01 26.6    0.238    1.197   151.2    23.3    19.3
    2009 01 15    09 03.33   -02 09.5    0.213    1.173   150.1    24.7    19.0
    2009 01 17    09 03.35   -06 36.4    0.190    1.149   148.0    27.0    18.8
    2009 01 19    09 03.20   -12 10.1    0.168    1.125   144.4    30.6    18.6
    2009 01 21    09 02.83   -19 10.7    0.149    1.101   139.0    35.9    18.4
    2009 01 23    09 02.17   -27 59.5    0.133    1.077   131.5    43.2    18.3
    2009 01 25    09 01.04   -38 49.9    0.120    1.053   121.7    52.7    18.4
    2009 01 27    08 59.05   -51 29.3    0.113    1.029   109.8    64.2    18.5
    2009 01 29    08 55.04   -65 03.3    0.112    1.005    96.9    76.7    18.8
    2009 01 31    08 43.21   -78 09.3    0.117    0.981    84.4    88.8    19.3
    2009 02 02    03 50.04   -88 51.2    0.127    0.957    73.4    99.3    19.9
    2009 02 04    21 31.80   -80 34.5    0.141    0.933    64.3   107.8    20.5
    2009 02 06    21 19.25   -72 53.0    0.158    0.910    57.2   114.4    21.1
    2009 02 08    21 15.12   -66 41.7    0.178    0.887    51.7   119.3    21.7
    
    Timothy B. Spahr             (C) Copyright 2008 MPC           M.P.E.C. 2008-Y81
    

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