• Processing (Info)

    • MPEC 2012-D35 : 2012 DL4

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    Read MPEC 2012-D34 Read MPEC 2012-D36 

    M.P.E.C. 2012-D35                                Issued 2012 Feb. 20, 22:59 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 DL4

Observations:
     K12D04L* C2012 02 19.27299 09 28 44.41 +02 11 48.8          18.8  cED035704
     K12D04L  C2012 02 19.28523 09 28 47.44 +02 13 45.5          19.5  cED035704
     K12D04L  C2012 02 19.29746 09 28 50.56 +02 15 44.3          19.2  cED035704
     K12D04L  C2012 02 19.30958 09 28 53.69 +02 17 41.7          19.4  cED035704
     K12D04L KC2012 02 19.84175 09 31 36.33 +03 39 56.4                uED035J95
     K12D04L KC2012 02 19.84641 09 31 37.57 +03 40 39.1                uED035J95
     K12D04L KC2012 02 19.85316 09 31 39.34 +03 41 40.7          19.2 RuED035J95
     K12D04L KC2012 02 19.85336 09 31 39.85 +03 41 53.0          19.6 VvED035I93
     K12D04L KC2012 02 19.86351 09 31 42.46 +03 43 24.8          19.3 VvED035I93
     K12D04L KC2012 02 19.88172 09 31 47.04 +03 46 09.1          19.4 VvED035I93
     K12D04L KC2012 02 19.91161 09 31 54.45 +03 50 37.3          19.3 VvED035I93
     K12D04L |C2012 02 20.02129 09 32 29.01 +04 09 31.2          20.5 VoED035807
     K12D04L |C2012 02 20.02385 09 32 29.64 +04 09 53.8          20.1 VoED035807
     K12D04L |C2012 02 20.02639 09 32 30.28 +04 10 16.5          19.7 VoED035807
     K12D04L |C2012 02 20.03144 09 32 31.56 +04 11 01.4          20.1 VoED035807
     K12D04L |C2012 02 20.03430 09 32 32.28 +04 11 26.5          19.8 VoED035807
     K12D04L KC2012 02 20.28793509 33 33.13 +04 45 31.4          19.4 VrED035H21
     K12D04L KC2012 02 20.29185709 33 34.03 +04 46 04.9          19.5 VrED035H21
     K12D04L KC2012 02 20.29662309 33 35.12 +04 46 45.3          19.4 VrED035H21
     K12D04L KC2012 02 20.88260 09 36 10.51 +06 06 45.3          19.5 RvED035B18
     K12D04L KC2012 02 20.88470 09 36 10.93 +06 07 02.1          20.0 RvED035B18
     K12D04L KC2012 02 20.88890 09 36 11.85 +06 07 34.9          19.7 RvED035B18

Observer details:
704 Lincoln Laboratory ETS, New Mexico.  Observers M. Blythe, G. Spitz,
    R. Brungard, J. Paige, P. Festler, T. McVey, A. Valdivia, C. Gall.  1.0-m
    f/2.15 reflector + CCD.
807 Cerro Tololo.  Observers R. Holmes, T. Linder, V. Hoette.  Measurers
    R. Holmes, T. Linder.  0.41-m f/11 Ritchey-Chretien + CCD.
B18 Terskol.  Observers M. Andreev, A. Sergeev, N. Parakhin, V. Kozlov,
    N. Karpov.  Measurer M. Andreev.  0.6-m f/12.8 Cassegrain + 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.
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 DL4                                                 Earth MOID = 0.0387 AU
Epoch 2012 Mar. 14.0 TT = JDT 2456000.5                 MPC
M  59.96922              (2000.0)            P               Q
n   0.70489248     Peri.  280.22557     +0.25620687     -0.96491840
a   1.2504149      Node   154.70358     +0.93108744     +0.23041077
e   0.3049444      Incl.    7.71496     +0.25968099     +0.12587040
P   1.40           H   24.8           G   0.15           U   7
Residuals in seconds of arc
120219 704  1.0+  1.1+    120219 I93  0.2-  0.2-    120220 H21  0.2-  0.4-
120219 704  0.5-  0.9-    120219 I93  0.5-  0.0     120220 H21  0.3-  0.3-
120219 704  0.5-  0.5-    120219 I93  0.5-  0.2-    120220 H21  0.5-  0.3-
120219 704  0.0   0.3-    120220 807  0.0   0.2-    120220 B18  0.4+  0.0
120219 J95  0.1-  0.4-    120220 807  0.2-  0.3-    120220 B18  0.1-  0.2+
120219 J95  0.2+  0.1+    120220 807  0.2-  0.0     120220 B18  0.3+  0.1-
120219 J95  0.3+  0.7+    120220 807  0.1+  0.2+
120219 I93  0.5-  0.4-    120220 807  0.3+  0.1+

Ephemeris:
2012 DL4                 a,e,i = 1.25, 0.30, 8                   q = 0.8691
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2012 01 21    23 53 15.0 -52 30 01   0.1039  0.9263    53.6   121.2    24.6
...
2012 02 05    04 51 50.3 -62 59 22   0.04513 0.9840    86.3    91.0    21.3
...
2012 02 13    08 37 36.0 -23 22 51   0.04190 1.0194   139.6    38.9    19.5
...
2012 02 19    09 27 19.1 +01 27 59   0.06077 1.0475   165.9    13.3    19.6
2012 02 20    09 32 16.3 +04 05 05   0.06490 1.0522   168.1    11.2    19.7
2012 02 21    09 36 40.4 +06 23 16   0.06920 1.0570   169.6     9.7    19.8
...
2012 02 27    09 55 24.8 +15 36 04   0.09786 1.0860   167.7    11.2    20.6
...
2012 03 06    10 09 58.7 +21 19 02   0.1413  1.1252   159.1    18.3    21.8
...
2012 03 21    10 27 14.9 +24 32 29   0.2352  1.1988   146.2    27.5    23.3

A. U. Tomatic                (C) Copyright 2012 MPC           M.P.E.C. 2012-D35

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