• MPC Preparation (Info)

    • MPEC 2012-L29 : 2012 LR1

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    M.P.E.C. 2012-L29                                Issued 2012 June 12, 09:28 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 LR1

Observations:
     K12L01R* C2012 06 09.40456 17 18 03.114-05 12 33.43         19.6 rLEL029F51
     K12L01R  C2012 06 09.43755 17 17 51.303-05 16 33.14         19.0 iLEL029F51
     K12L01R  C2012 06 09.44839 17 17 47.410-05 17 51.69         19.1 iLEL029F51
     K12L01R KC2012 06 11.27793 17 07 24.48 -08 54 47.7          18.8 RoEL029291
     K12L01R KC2012 06 11.27989 17 07 23.77 -08 55 01.6          18.1 RoEL029291
     K12L01R KC2012 06 11.28185 17 07 23.11 -08 55 15.3          18.7 RoEL029291
     K12L01R %C2012 06 11.35279317 06 59.98 -09 03 22.1          18.6 RtEL029F65
     K12L01R %C2012 06 11.35338017 06 59.78 -09 03 26.2          18.8 RtEL029F65
     K12L01R %C2012 06 11.35402017 06 59.56 -09 03 30.7          18.8 RtEL029F65
     K12L01R %C2012 06 11.35468717 06 59.33 -09 03 35.4          18.6 RtEL029F65
     K12L01R %C2012 06 11.35534417 06 59.10 -09 03 39.8          18.6 RtEL029F65
     K12L01R %C2012 06 11.35599117 06 58.88 -09 03 44.3          18.6 RtEL029F65
     K12L01R %C2012 06 11.35664617 06 58.65 -09 03 49.0          18.7 RtEL029F65
     K12L01R %C2012 06 11.35726617 06 58.43 -09 03 53.4          18.7 RtEL029F65
     K12L01R %C2012 06 11.35785817 06 58.23 -09 03 57.5          18.6 RtEL029F65
     K12L01R %C2012 06 11.35847317 06 58.02 -09 04 01.6          18.4 RtEL029F65
     K12L01R %C2012 06 11.35907917 06 57.80 -09 04 05.9          18.5 RtEL029F65
     K12L01R %C2012 06 11.35966117 06 57.60 -09 04 10.0          18.6 RtEL029F65
     K12L01R %C2012 06 11.36025317 06 57.40 -09 04 14.0          18.7 RtEL029F65
     K12L01R %C2012 06 11.36084717 06 57.20 -09 04 18.1          18.4 RtEL029F65
     K12L01R %C2012 06 11.36146517 06 56.99 -09 04 22.4          18.4 RtEL029F65
     K12L01R  C2012 06 11.96823 17 03 33.77 -10 13 55.9          19.1 RvEL029B18
     K12L01R  C2012 06 11.97221 17 03 32.42 -10 14 22.7          19.1 RvEL029B18
     K12L01R  C2012 06 11.97779 17 03 30.54 -10 15 00.6          19.0 RvEL029B18
     K12L01R KC2012 06 12.12196 17 02 44.40 -10 30 42.5                uEL029I48
     K12L01R KC2012 06 12.12972 17 02 41.76 -10 31 35.0                uEL029I48
     K12L01R KC2012 06 12.14660 17 02 36.00 -10 33 29.7                uEL029I48
     K12L01R KC2012 06 12.16053 17 02 31.31 -10 35 03.5                uEL029I48
     K12L01R KC2012 06 12.24735817 02 02.58 -10 45 25.0          19.1 VrEL029H21
     K12L01R KC2012 06 12.25121817 02 01.29 -10 45 50.9          19.2 VrEL029H21
     K12L01R KC2012 06 12.25517317 01 59.95 -10 46 17.6          19.0 VrEL029H21
     K12L01R KC2012 06 12.31923 17 01 38.54 -10 53 28.2          18.3 RuEL029H36
     K12L01R KC2012 06 12.32169 17 01 37.68 -10 53 45.2          18.0 RuEL029H36
     K12L01R KC2012 06 12.32671 17 01 36.01 -10 54 18.4          17.8 RuEL029H36
     K12L01R KC2012 06 12.32813 17 01 35.53 -10 54 28.2          18.1 RuEL029H36

Observer details:
291 LPL/Spacewatch II.  Observer T. H. Bressi.  1.8-m f/2.7 reflector + CCD.
B18 Terskol.  Observers A. Sergeev, N. Borachok, M. Andreev.  Measurer
    M. Andreev.  2-m f/8 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.
F65 Haleakala-Faulkes Telescope North.  Observer T. Lister.  2.0-m f/10
    Ritchey-Chretien + CCD.
H21 Astronomical Research Observatory, Westfield.  Observer R. Holmes.
    Measurers L. Buzzi, H. Devore, S. Foglia, T. Vorobjov.  0.61-m f/4.0
    astrograph + CCD.
H36 Sandlot Observatory, Scranton.  Observer G. Hug.  0.56-m reflector + CCD.
I48 Observatorio El Catalejo, Santa Rosa.  Observer J. Spagnotto.  0.20-m f/5
    reflector + CCD.

Orbital elements:
2012 LR1                                            PHA, Earth MOID = 0.0050 AU
Epoch 2012 June 2.0 TT = JDT 2456080.5                  MPC
M  58.85361              (2000.0)            P               Q
n   0.64117654     Peri.   66.26421     -0.62576814     -0.40550639
a   1.3319389      Node    83.14708     +0.19658915     -0.90865854
e   0.3800853      Incl.   42.15294     +0.75482908     -0.09951997
P   1.54           H   20.5           G   0.15
From 35 observations 2012 June 9-12.

Ephemeris:
2012 LR1                 a,e,i = 1.33, 0.38, 42                  q = 0.8257
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2012 05 13    19 43 52.7 +37 06 01   0.3897  1.1253    96.8    63.1    21.0
...
2012 05 28    18 31 41.7 +19 26 25   0.2942  1.2168   128.0    41.0    19.9
...
2012 06 05    17 44 07.0 +03 55 16   0.2782  1.2646   150.7    23.1    19.3
...
2012 06 11    17 08 57.8 -08 22 06   0.2920  1.2998   165.1    11.6    19.1
2012 06 12    17 03 24.4 -10 17 04   0.2965  1.3055   166.4    10.5    19.1
2012 06 13    16 57 58.2 -12 08 24   0.3016  1.3113   167.1    10.0    19.1
...
2012 06 19    16 28 23.3 -21 47 09   0.3435  1.3454   160.9    14.3    19.6
...
2012 06 27    15 58 20.2 -30 42 07   0.4224  1.3894   146.8    23.6    20.5
...
2012 07 12    15 28 48.6 -39 35 38   0.6095  1.4671   127.1    33.6    21.7

A. U. Tomatic                (C) Copyright 2012 MPC           M.P.E.C. 2012-L29

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