MPEC 2012-E51 : 2012 EF5
The following Minor Planet Electronic Circular may be linked-to from your own Web pages, but must not otherwise be redistributed electronically.A form allowing access to any MPEC is at the bottom of this page.
Read MPEC 2012-E50
Read MPEC 2012-E52
M.P.E.C. 2012-E51 Issued 2012 Mar. 14, 18:08 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 EF5
Observations:
K12E05F* C2012 03 12.16341 06 45 55.03 +35 16 42.1 19.4 cEE051704
K12E05F C2012 03 12.17467 06 45 49.26 +35 20 29.1 19.6 cEE051704
K12E05F C2012 03 12.18595 06 45 43.49 +35 24 15.1 19.8 cEE051704
K12E05F C2012 03 12.19716 06 45 37.89 +35 27 59.5 19.6 cEE051704
K12E05F KC2012 03 13.21888406 37 20.23 +40 51 22.4 19.7 VrEE051H21
K12E05F KC2012 03 13.22020606 37 19.57 +40 51 46.0 19.5 VrEE051H21
K12E05F KC2012 03 13.22276006 37 18.25 +40 52 31.1 19.6 VrEE051H21
K12E05F KC2012 03 13.22469606 37 17.31 +40 53 04.9 19.5 VrEE051H21
K12E05F KC2012 03 13.78374 06 32 44.21 +43 33 52.3 19.3 RuEE051204
K12E05F KC2012 03 13.79263 06 32 39.42 +43 36 20.8 19.6 RcEE051A24
K12E05F KC2012 03 13.80361 06 32 33.86 +43 39 23.0 19.4 RcEE051A24
K12E05F HC2012 03 13.80364 06 32 33.68 +43 39 22.0 uEE051204
K12E05F KC2012 03 13.84710 06 32 11.47 +43 51 21.0 19.2 VvEE051I93
K12E05F KC2012 03 13.84918 06 32 10.43 +43 51 55.2 19.3 VvEE051I93
K12E05F KC2012 03 13.86323 06 32 03.08 +43 55 46.3 19.4 VvEE051I93
K12E05F KC2012 03 13.87651 06 31 56.14 +43 59 22.6 18.6 VvEE051I93
K12E05F KC2012 03 13.88036 06 31 54.17 +44 00 26.1 18.7 VvEE051I93
K12E05F KC2012 03 13.89755 06 31 44.71 +44 05 00.8 rEE051203
K12E05F KC2012 03 13.92030 06 31 32.94 +44 11 09.2 rEE051203
K12E05F KC2012 03 14.07802006 30 16.10 +44 53 58.0 20.0 VtEE051H21
K12E05F KC2012 03 14.08154306 30 14.23 +44 54 54.0 20.2 VtEE051H21
K12E05F KC2012 03 14.08506706 30 12.35 +44 55 50.1 20.2 VtEE051H21
K12E05F C2012 03 14.11158 06 29 59.72 +45 03 00.5 19.1 RoEE051H01
K12E05F C2012 03 14.11859 06 29 55.99 +45 04 51.9 19.4 RoEE051H01
K12E05F C2012 03 14.12541 06 29 52.34 +45 06 40.1 19.4 RoEE051H01
K12E05F C2012 03 14.13226 06 29 48.69 +45 08 28.6 19.3 RoEE051H01
Observer details:
203 GiaGa Observatory. Observers S. Foglia, G. Galli. Measurer G. Galli.
0.28-m f/6.8 Schmidt-Cassegrain + CCD.
204 Schiaparelli Observatory. Observer L. Buzzi. 0.38-m f/6.8 reflector
+ CCD.
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.
A24 New Millennium Observatory, Mozzate. Observer E. Cozzi. 0.36-m f/11
Schmidt-Cassegrain + 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.
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.
Orbital elements:
2012 EF5 Earth MOID = 0.0514 AU
Epoch 2012 Mar. 14.0 TT = JDT 2456000.5 MPC
M 318.74084 (2000.0) P Q
n 0.73066817 Peri. 70.09578 -0.50093308 +0.84132358
a 1.2208321 Node 164.07205 -0.74901386 -0.53898105
e 0.2601360 Incl. 47.73174 +0.43364074 +0.04091530
P 1.35 H 21.3 G 0.15 U 9
Residuals in seconds of arc
120312 704 0.7+ 0.2+ 120313 A24 0.9- 0.7+ 120313 203 0.3+ 0.9-
120312 704 0.1- 0.5+ 120313 A24 1.3+ 1.1+ 120314 H21 0.1+ 0.0
120312 704 0.8- 0.2- 120313 204 0.7- 0.2- 120314 H21 0.1+ 0.2-
120312 704 0.1+ 0.6- 120313 I93 0.8- 0.3- 120314 H21 0.0 0.2-
120313 H21 0.0 0.1- 120313 I93 0.2- 0.3- 120314 H01 0.2- 0.0
120313 H21 0.1+ 0.1+ 120313 I93 0.0 0.5+ 120314 H01 0.1- 0.1+
120313 H21 0.2- 0.1+ 120313 I93 0.1+ 0.3- 120314 H01 0.2- 0.2+
120313 H21 0.2+ 0.3- 120313 I93 0.6+ 0.3+ 120314 H01 0.2- 0.2+
120313 204 0.3+ 0.0 120313 203 0.4+ 0.6-
Ephemeris:
2012 EF5 a,e,i = 1.22, 0.26, 48 q = 0.9032
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2012 02 13 09 17 03.3 -57 45 29 0.3618 1.1534 108.4 54.3 21.4
...
2012 02 28 08 13 50.7 -38 58 52 0.1723 1.0907 121.7 50.6 19.5
...
2012 03 07 07 24 27.5 +00 31 07 0.1122 1.0581 123.3 51.6 18.6
...
2012 03 13 06 39 12.0 +39 45 23 0.1303 1.0344 104.6 68.4 19.4
2012 03 14 06 30 56.8 +44 32 46 0.1383 1.0306 101.4 71.0 19.6
2012 03 15 06 22 29.7 +48 44 53 0.1472 1.0267 98.5 73.3 19.8
...
2012 03 21 05 28 01.6 +64 44 12 0.2121 1.0045 86.1 81.7 20.8
...
2012 03 29 04 09 12.2 +73 16 23 0.3099 0.9770 77.1 84.9 21.7
...
2012 04 13 01 58 52.7 +76 43 39 0.4885 0.9350 67.8 83.2 22.5
A. U. Tomatic (C) Copyright 2012 MPC M.P.E.C. 2012-E51
Read MPEC 2012-E50
Read MPEC 2012-E52
Enter an MPEC number in one of the following forms:
- 1997-B01 (the full form)
- J97B01 (the packed version of the full form)
- B01 (the abbreviated form)