• Processing (Info)

    • MPEC 2012-H05 : 2012 GW11

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    M.P.E.C. 2012-H05                                Issued 2012 Apr. 16, 17:57 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 GW11

Observations:
     K12G11W* C2012 04 14.33829 12 34 54.720-12 23 40.47         20.5 wLEH005F51
     K12G11W  C2012 04 14.35315 12 34 48.028-12 20 47.87         20.4 wLEH005F51
     K12G11W  C2012 04 14.36800 12 34 41.300-12 17 53.80         20.4 wLEH005F51
     K12G11W  C2012 04 14.38282 12 34 34.489-12 14 58.35         20.5 wLEH005F51
     K12G11W KC2012 04 14.90869 12 30 53.34 -10 18 30.7          20.2 VvEH005I93
     K12G11W KC2012 04 14.91865 12 30 47.88 -10 16 00.1          19.5 VvEH005I93
     K12G11W KC2012 04 14.92890 12 30 42.33 -10 13 24.9          20.3 VvEH005I93
     K12G11W KC2012 04 15.87124 12 21 13.91 -05 04 55.0                uEH005J95
     K12G11W KC2012 04 15.87823 12 21 08.05 -05 01 58.0                uEH005J95
     K12G11W KC2012 04 15.88516 12 21 02.17 -04 59 02.6          19.0 RuEH005J95
     K12G11W |C2012 04 16.20906 12 16 12.90 -02 20 18.0          19.2 VoEH005807
     K12G11W |C2012 04 16.21174 12 16 10.07 -02 18 54.1          19.7 VoEH005807
     K12G11W |C2012 04 16.21441 12 16 07.26 -02 17 29.8          19.8 VoEH005807
     K12G11W |C2012 04 16.21707 12 16 04.49 -02 16 06.2          19.6 VoEH005807
     K12G11W  C2012 04 16.25255 12 15 39.06 -02 02 49.1                cEH005926
     K12G11W  C2012 04 16.25288 12 15 38.59 -02 02 39.1                cEH005926
     K12G11W  C2012 04 16.25321 12 15 38.24 -02 02 28.7                cEH005926
     K12G11W  C2012 04 16.25354 12 15 37.80 -02 02 17.1                cEH005926
     K12G11W  C2012 04 16.26631 12 15 24.05 -01 55 29.0          19.9 RcEH005854
     K12G11W  C2012 04 16.26989 12 15 20.12 -01 53 35.7          19.8 RcEH005854

Observer details:
807 Cerro Tololo.  Observers R. Holmes, T. Linder, V. Hoette.  Measurers
    R. Holmes, T. Linder.  0.41-m f/11 Ritchey-Chretien + CCD.
854 Sabino Canyon Observatory, Tucson.  Observer J. E. McGaha.  0.36-m f/10.0
    Schmidt-Cassegrain + CCD.
926 Tenagra II Observatory.  Observers S. Abe, J. K. Guo, N. Panwar,
    W. P. Chen, W. H. Ip.  Measurer S. Abe.  0.81-m f/7 Ritchey-Chretien + 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.
I93 St Pardon de Conques.  Observer F. Losse.  0.40-m f/5.0 reflector + CCD.
J95 Great Shefford.  Observer P. Birtwhistle.  0.40-m f/6.0 Schmidt-Cassegrain
    + CCD.

Orbital elements:
2012 GW11                                                Earth MOID = 0.0078 AU
Epoch 2012 Mar. 14.0 TT = JDT 2456000.5                 MPC
M 318.67224              (2000.0)            P               Q
n   0.48111396     Peri.   83.89207     +0.33222554     +0.93985860
a   1.6130113      Node   205.95031     -0.92111732     +0.30520652
e   0.5689681      Incl.   10.44373     -0.20290165     +0.15334533
P   2.05           H   26.4           G   0.15           U   7
Residuals in seconds of arc
120414 F51  0.1+  0.1+    120415 J95  0.1+  0.3-    120416 926  1.6+  0.3+
120414 F51  0.1-  0.1-    120415 J95  0.0   0.2+    120416 926  0.1-  0.2-
120414 F51  0.1+  0.1-    120415 J95  0.7-  0.2-    120416 926  0.0   0.4-
120414 F51  0.2-  0.1+    120416 807  0.0   0.3-    120416 926  1.2-  0.6+
120414 I93  1.0+  0.0     120416 807  0.3-  0.3-    120416 854  1.2+  1.5+
120414 I93  0.1-  0.3+    120416 807  0.3-  0.3+    120416 854  0.9+  1.1-
120414 I93  0.4+  0.0     120416 807  0.1+  0.3+

Ephemeris:
2012 GW11                a,e,i = 1.61, 0.57, 10                  q = 0.6953
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2012 03 17    12 59 46.8 -23 10 49   0.3492  1.3088   149.8    22.5    25.8
...
2012 04 01    12 57 49.2 -22 56 05   0.1804  1.1716   161.2    15.9    23.9
...
2012 04 09    12 51 04.6 -20 17 50   0.09776 1.0968   166.4    12.4    22.3
...
2012 04 15    12 30 06.2 -09 52 10   0.03871 1.0406   164.4    15.1    20.3
2012 04 16    12 19 25.9 -04 04 52   0.02948 1.0313   159.8    19.7    19.8
2012 04 17    11 59 55.3 +06 40 50   0.02094 1.0220   149.5    29.9    19.3
...
2012 04 23    01 45 20.8 +41 14 24   0.04480 0.9666    29.0   149.7    28.0
...
2012 05 01    01 19 11.1 +31 48 15   0.1244  0.8952    23.8   152.9    30.7
...
2012 05 16    01 21 43.2 +27 50 15   0.2883  0.7785    31.0   138.0    29.7

A. U. Tomatic                (C) Copyright 2012 MPC           M.P.E.C. 2012-H05

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