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Minor Planet Center

MPEC 2010-P08 : 2010 OB101

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M.P.E.C. 2010-P08                                Issued 2010 Aug. 3, 12:12 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.minorplanetcenter.org/iau/mpc.html  ISSN 1523-6714

                                  2010 OB101

Observations:
     K10OA1B* S2010 07 18.27199 01 04 55.63 +27 56 48.5          22   R EP008C51
     K10OA1B  s2010 07 18.27199 1 + 5339.8067 + 2752.0194 + 3400.5207   EP008C51
     K10OA1B  S2010 07 18.40429 01 04 47.84 +27 58 06.7                 EP008C51
     K10OA1B  s2010 07 18.40429 1 + 5333.6404 + 2763.9717 + 3400.1388   EP008C51
     K10OA1B  S2010 07 18.53660 01 04 40.04 +27 59 26.5                 EP008C51
     K10OA1B  s2010 07 18.53660 1 + 5326.5444 + 2775.8052 + 3401.9614   EP008C51
     K10OA1B  S2010 07 18.66890 01 04 32.18 +28 00 44.6                 EP008C51
     K10OA1B  s2010 07 18.66890 1 + 5319.8226 + 2787.8956 + 3402.3295   EP008C51
     K10OA1B  S2010 07 18.73499 01 04 28.28 +28 01 21.9                 EP008C51
     K10OA1B  s2010 07 18.73499 1 + 5295.6195 + 2790.0138 + 3437.8020   EP008C51
     K10OA1B  S2010 07 18.80120 01 04 24.32 +28 02 00.7                 EP008C51
     K10OA1B  s2010 07 18.80120 1 + 5313.7480 + 2800.0849 + 3401.4299   EP008C51
     K10OA1B  S2010 07 18.86729 01 04 20.31 +28 02 39.4                 EP008C51
     K10OA1B  s2010 07 18.86729 1 + 5289.6630 + 2801.9559 + 3437.1773   EP008C51
     K10OA1B  S2010 07 18.99960 01 04 12.37 +28 03 58.0                 EP008C51
     K10OA1B  s2010 07 18.99960 1 + 5283.1281 + 2814.0655 + 3437.8371   EP008C51
     K10OA1B  S2010 07 19.13190 01 04 04.35 +28 05 15.5                 EP008C51
     K10OA1B  s2010 07 19.13190 1 + 5276.4627 + 2826.1670 + 3438.4392   EP008C51
     K10OA1B  S2010 07 19.26421 01 03 56.38 +28 06 31.0                 EP008C51
     K10OA1B  s2010 07 19.26421 1 + 5269.8911 + 2838.1334 + 3438.6039   EP008C51
     K10OA1B KC2010 07 23.35350 00 59 33.68 +28 42 54.7          21.2 V EP008H21
     K10OA1B KC2010 07 23.35861 00 59 33.34 +28 42 57.1          20.9 V EP008H21
     K10OA1B KC2010 07 23.36621 00 59 32.79 +28 43 00.8          21.2 V EP008H21
     K10OA1B KC2010 07 23.37128 00 59 32.35 +28 43 03.6          21.5 V EP008H21
     K10OA1B KC2010 07 23.37790 00 59 31.88 +28 43 07.6          20.8 V EP008H21
     K10OA1B  C2010 08 03.32577 00 44 25.95 +29 45 14.0          20.6 V EP008291
     K10OA1B  C2010 08 03.33073 00 44 25.32 +29 45 14.0          21.6 V EP008291
     K10OA1B  C2010 08 03.33625 00 44 24.71 +29 45 15.2          21.5 V EP008291

Observer details:
291 LPL/Spacewatch II.  Observer R. S. McMillan.  1.8-m f/2.7 reflector + CCD.
C51 WISE.  Measurers A. K. Mainzer, E. L. Wright, J. M. Bauer, T. Grav,
    J. W. Dailey, J. R. Masiero, R. M. Cutri, R. S. McMillan, R. G. Walker.
    (http://wise.ssl.berkeley.edu/mission_sci.html).
H21 Astronomical Research Observatory, Westfield.  Observer R. Holmes.
    Measurer H. Devore.  0.81-m f/4.0 astrograph + CCD.

Orbital elements:
2010 OB101                                               Earth MOID = 0.1111 AU
Epoch 2010 July 23.0 TT = JDT 2455400.5                 MPC
M  31.15019              (2000.0)            P               Q
n   0.47941261     Peri.  334.19970     -0.56423913     +0.81063850
a   1.6168252      Node   261.07306     -0.72740615     -0.57778532
e   0.5220257      Incl.    9.11648     -0.39053104     -0.09502286
P   2.06           H   20.4           G   0.15           U   8
Residuals in seconds of arc
100718 C51  0.9-  1.1+    100718 C51  0.1+  1.1-    100723 H21  0.4+  0.2-
100718 C51  0.5-  0.1+    100718 C51  0.1+  0.0     100723 H21  0.4-  0.0
100718 C51  0.1+  1.2+    100719 C51  0.5-  0.3+    100723 H21  0.0   0.6+
100718 C51  0.2+  0.9+    100719 C51  0.0   1.0-    100803 291  1.2+  0.7+
100718 C51  0.8+  0.7-    100723 H21  0.4-  0.2+    100803 291  0.3-  0.4-
100718 C51  0.8+  1.1-    100723 H21  0.2+  0.1-    100803 291  0.9-  0.3-

Ephemeris:
2010 OB101               a,e,i = 1.62, 0.52, 9                   q = 0.7728
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2010 08 02    00 46.54   +29 41.0    0.471    1.227   105.4    52.9    21.2
2010 08 12    00 28.36   +29 46.7    0.486    1.309   117.2    43.5    21.1
2010 08 22    00 06.04   +28 41.6    0.504    1.389   129.7    34.1    21.0
2010 09 01    23 42.16   +26 21.7    0.533    1.467   142.0    25.0    21.0
2010 09 11    23 20.05   +23 02.3    0.578    1.542   152.2    17.7    21.1
2010 09 21    23 02.55   +19 16.2    0.643    1.614   156.5    14.4    21.3
2010 10 01    22 50.84   +15 37.9    0.729    1.683   153.0    15.7    21.7

Timothy B. Spahr             (C) Copyright 2010 MPC           M.P.E.C. 2010-P08

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