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    • MPEC 2012-H52 : 2012 HO8

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    M.P.E.C. 2012-H52                                Issued 2012 Apr. 22, 13:08 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 https://www.minorplanetcenter.net/    ISSN 1523-6714

                                   2012 HO8

Observations:
     K12H08O* C2012 04 21.47118 15 36 17.38 -10 09 32.9          19.4 VrEH052G96
     K12H08O  C2012 04 21.47391 15 36 17.35 -10 08 37.6          19.4 VrEH052G96
     K12H08O  C2012 04 21.47663 15 36 17.31 -10 07 42.1          19.4 VrEH052G96
     K12H08O  C2012 04 21.49406 15 36 17.24 -10 01 49.0          19.6 VrEH052G96
     K12H08O  C2012 04 21.49439 15 36 17.20 -10 01 41.7          20.0 VrEH052G96
     K12H08O  C2012 04 21.49471 15 36 17.24 -10 01 35.3          18.9 VrEH052G96
     K12H08O  C2012 04 21.49547 15 36 17.24 -10 01 19.7          20.1 VrEH052G96
     K12H08O  C2012 04 21.49584 15 36 17.24 -10 01 12.4          19.3 VrEH052G96
     K12H08O  C2012 04 21.49620 15 36 17.17 -10 01 05.6          19.8 VrEH052G96
     K12H08O  C2012 04 21.49655 15 36 17.20 -10 00 58.3          19.7 VrEH052G96
     K12H08O KC2012 04 21.55025 15 36 25.14 -09 40 28.4          19.1 RoEH052474
     K12H08O KC2012 04 21.55146 15 36 25.14 -09 40 04.1          19.5 RoEH052474
     K12H08O KC2012 04 21.55266 15 36 25.15 -09 39 40.6          18.8 RoEH052474
     K12H08O KC2012 04 21.55387 15 36 25.11 -09 39 16.1          19.1 RoEH052474
     K12H08O KC2012 04 21.65001 15 36 24.17 -09 06 58.0          19.6 RoEH052474
     K12H08O KC2012 04 21.65122 15 36 24.17 -09 06 33.7          19.4 RoEH052474
     K12H08O KC2012 04 21.65242 15 36 24.14 -09 06 09.7          19.3 RoEH052474
     K12H08O KC2012 04 21.65363 15 36 24.14 -09 05 45.7          19.2 RoEH052474
     K12H08O KC2012 04 22.05655 15 36 36.93 -06 54 34.7                uEH052J95
     K12H08O KC2012 04 22.06018 15 36 36.94 -06 53 22.8          19.4 RuEH052J95
     K12H08O  C2012 04 22.31731 15 36 45.06 -05 28 26.3          19.7 RcEH052854
     K12H08O  C2012 04 22.32657 15 36 45.05 -05 25 22.5          19.6 RcEH052854
     K12H08O  C2012 04 22.47662 15 36 41.90 -04 36 37.3          19.3 RoEH052H01
     K12H08O  C2012 04 22.48228 15 36 41.85 -04 34 46.8          19.6 RoEH052H01
     K12H08O  C2012 04 22.48720 15 36 41.80 -04 33 11.1          19.0 RoEH052H01

Observer details:
474 Mount John Observatory, Lake Tekapo.  Observers A. C. Gilmore,
    P. M. Kilmartin.  Measurer P. M. Kilmartin.  1.0-m f/7.7 reflector + CCD.
854 Sabino Canyon Observatory, Tucson.  Observer J. E. McGaha.  0.36-m f/10.0
    Schmidt-Cassegrain + CCD.
G96 Mt. Lemmon Survey.  Observer A. R. Gibbs.  Measurers 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.
H01 Magdalena Ridge Observatory, Socorro.  Observers W. H. Ryan, E. V. Ryan.
    Measurer W. H. Ryan.  2.4-m f/8.9 reflector + CCD.
J95 Great Shefford.  Observer P. Birtwhistle.  0.40-m f/6.0 Schmidt-Cassegrain
    + CCD.

Orbital elements:
2012 HO8                                                 Earth MOID = 0.0632 AU
Epoch 2012 Mar. 14.0 TT = JDT 2456000.5                 MPC
M  12.15614              (2000.0)            P               Q
n   0.79880023     Peri.  309.93353     -0.91431315     -0.34416685
a   1.1503869      Node   211.70124     +0.36136825     -0.93127153
e   0.1011426      Incl.   23.97138     -0.18287824     -0.11950952
P   1.23           H   24.1           G   0.15           U   7
Residuals in seconds of arc
120421 G96  0.1-  0.0     120421 G96  0.3-  0.1-    120422 J95  0.4-  0.0
120421 G96  0.2-  0.1-    120421 474  0.2+  0.1+    120422 J95  0.1+  0.0
120421 G96  0.5-  0.3+    120421 474  0.3+  0.0     120422 854  0.5+  0.8+
120421 G96  0.1+  0.3-    120421 474  0.6+  0.7-    120422 854 (2.8+  3.3+)
120421 G96  0.5-  0.3+    120421 474  0.2+  0.5-    120422 H01  0.1+  0.2-
120421 G96  0.1+  0.2+    120421 474  0.4+  0.3+    120422 H01  0.1+  0.0
120421 G96  0.2+  0.4+    120421 474  0.5+  0.2+    120422 H01  0.0   0.2-
120421 G96  0.2+  0.2+    120421 474  0.2+  0.1+
120421 G96  0.8-  0.3-    120421 474  0.3+  0.3-

Ephemeris:
2012 HO8                 a,e,i = 1.15, 0.10, 24                  q = 1.0340
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2012 03 23    12 41 31.7 -84 07 55   0.2077  1.0421    96.8    71.7    23.3
...
2012 04 07    15 11 06.3 -69 25 52   0.1180  1.0546   114.1    60.1    21.7
...
2012 04 15    15 30 43.3 -44 47 29   0.08033 1.0633   136.9    40.2    20.3
...
2012 04 21    15 36 07.6 -12 48 12   0.07168 1.0706   155.5    22.9    19.6
2012 04 22    15 36 35.1 -07 11 49   0.07272 1.0719   155.6    22.8    19.6
2012 04 23    15 36 57.1 -01 48 17   0.07446 1.0732   154.5    23.8    19.7
...
2012 04 29    15 37 42.5 +23 08 55   0.09650 1.0812   138.5    38.1    20.7
...
2012 05 07    15 36 39.4 +39 29 18   0.1420  1.0927   122.9    50.8    21.9
...
2012 05 22    15 33 26.4 +49 34 10   0.2380  1.1159   109.9    58.6    23.3

A. U. Tomatic                (C) Copyright 2012 MPC           M.P.E.C. 2012-H52

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