• Processing (Info)

    • MPEC 2012-J34 : 2012 HN40

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    M.P.E.C. 2012-J34                                Issued 2012 May 12, 21:01 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 HN40

Observations:
     K12H40N* C2012 04 21.52731 15 22 25.722+01 59 17.66         20.4 rLEJ034F51
     K12H40N  C2012 04 21.53827 15 22 25.254+01 59 18.43         20.4 rLEJ034F51
     K12H40N  C2012 04 21.54950 15 22 24.771+01 59 19.16         21.0 gLEJ034F51
     K12H40N  C2012 04 21.56054 15 22 24.320+01 59 19.75         21.0 gLEJ034F51
     K12H40N  C2012 04 27.55643 15 17 43.095+02 00 10.91         20.0 rLEJ034F51
     K12H40N  C2012 04 27.56685 15 17 42.414+02 00 10.23         20.1 rLEJ034F51
     K12H40N  C2012 04 27.57874 15 17 41.643+02 00 09.51         19.9 iLEJ034F51
     K12H40N  C2012 04 27.58995 15 17 40.931+02 00 08.60         19.9 iLEJ034F51
     K12H40N  C2012 05 12.31406 14 54 13.86 +00 32 37.2          19.5 VrEJ034703
     K12H40N  C2012 05 12.32077 14 54 12.92 +00 32 32.4          19.0 VrEJ034703
     K12H40N  C2012 05 12.32757 14 54 11.84 +00 32 27.7          18.9 VrEJ034703
     K12H40N  C2012 05 12.33439 14 54 10.83 +00 32 23.0          19.1 VrEJ034703
     K12H40N QC2012 05 12.56462 14 53 38.71 +00 29 51.7          19.0 VrEJ034E12
     K12H40N QC2012 05 12.56954 14 53 37.96 +00 29 47.8          19.1 VrEJ034E12
     K12H40N KC2012 05 12.81699 14 53 03.23 +00 25 54.5          19.1 VuEJ034C73
     K12H40N KC2012 05 12.82101 14 53 02.58 +00 25 50.9          19.1 VuEJ034C73
     K12H40N KC2012 05 12.82502 14 53 01.97 +00 25 47.7          18.8 VuEJ034C73
     K12H40N KC2012 05 12.82912 14 53 01.33 +00 25 45.0          19.2 VuEJ034C73
     K12H40N KC2012 05 12.83327 14 53 00.72 +00 25 41.7          19.0 VuEJ034C73

Observer details:
703 Catalina Sky Survey.  Observer E. J. Christensen.  Measurers E. C. Beshore,
    A. Boattini, A. R. Gibbs, A. D. Grauer, R. E. Hill, R. A. Kowalski,
    S. M. Larson, R. H. McNaught.  0.68-m Schmidt + CCD.
C73 Galati Observatory.  Observers O. Tercu, A. Dumitriu.  0.4-m f/8
    Ritchey-Chretien + CCD.
E12 Siding Spring Survey.  Observer R. H. McNaught.  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.  0.5-m Uppsala Schmidt + CCD.
F51 Pan-STARRS 1, Haleakala.  Observers N. Primak, A. Schultz, S. Watters,
    J. Thiel, T. Goggia.  Measurer PS1 Science Consortium.  1.8-m
    Ritchey-Chretien + CCD.

Orbital elements:
2012 HN40                                                Earth MOID = 0.0637 AU
Epoch 2012 Mar. 14.0 TT = JDT 2456000.5                 MPC
M 331.63764              (2000.0)            P               Q
n   0.22166914     Peri.  242.88035     +0.57649027     +0.78389246
a   2.7039535      Node    64.22009     -0.62926013     +0.60593674
e   0.6700433      Incl.   14.83739     -0.52123955     +0.13547427
P   4.45           H   20.2           G   0.15           U   5
Residuals in seconds of arc
120421 F51  0.1+  0.0     120427 F51  0.1+  0.1-    120512 C73  0.7+  0.1-
120421 F51  0.0   0.1+    120512 703  0.5-  0.9-    120512 C73  0.1+  0.4-
120421 F51  0.2-  0.0     120512 703  0.5+  0.5-    120512 C73  0.1+  0.4-
120421 F51  0.0   0.1-    120512 703  0.3-  0.0     120512 C73  0.2-  0.3+
120427 F51  0.0   0.0     120512 703  0.1-  0.6+    120512 C73  0.1+  0.3+
120427 F51  0.0   0.0     120512 E12  0.0   0.1+
120427 F51  0.1-  0.1+    120512 E12  0.0   0.1+

Ephemeris:
2012 HN40                a,e,i = 2.70, 0.67, 15                  q = 0.8922
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2012 04 12    15 25 40.8 +01 39 31   0.6569  1.5965   147.6    19.6    21.3
...
2012 04 27    15 18 15.7 +02 00 47   0.4713  1.4550   158.3    14.8    20.2
...
2012 05 05    15 08 21.9 +01 37 39   0.3856  1.3797   161.5    13.4    19.6
...
2012 05 11    14 57 12.5 +00 48 43   0.3274  1.3237   160.9    14.4    19.2
2012 05 12    14 54 58.0 +00 36 52   0.3181  1.3144   160.5    14.8    19.1
2012 05 13    14 52 36.1 +00 23 45   0.3091  1.3052   160.0    15.3    19.1
...
2012 05 19    14 35 26.6 -01 27 10   0.2577  1.2503   155.2    19.9    18.7
...
2012 05 27    14 01 56.9 -05 57 58   0.1980  1.1793   144.1    30.3    18.3
...
2012 06 11    11 50 21.0 -24 45 45   0.1241  1.0571   106.4    67.1    18.2

A. U. Tomatic                (C) Copyright 2012 MPC           M.P.E.C. 2012-J34

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