MPEC 2007-A42 : 2007 AT2
The following Minor Planet Electronic Circular may be linked-to from your own Web pages, but must not otherwise be redistributed electronically.
Read MPEC 2007-A41
Read MPEC 2007-A43
M.P.E.C. 2007-A42 Issued 2007 Jan. 11, 17:29 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 http://cfa-www.harvard.edu/iau/mpc.html ISSN 1523-6714
2007 AT2
Observations:
K07A02T C2006 12 10.24621 06 02 21.61 +53 25 20.8 18.6 EA042704
K07A02T C2006 12 10.25816 06 02 20.80 +53 25 18.0 18.6 EA042704
K07A02T C2006 12 10.27010 06 02 20.05 +53 25 14.7 18.8 EA042704
K07A02T C2006 12 10.28212 06 02 19.35 +53 25 11.5 18.6 EA042704
K07A02T C2006 12 10.29406 06 02 18.53 +53 25 07.8 19.0 EA042704
K07A02T* C2007 01 10.19580 05 23 01.89 +36 36 24.5 18.2 EA042704
K07A02T C2007 01 10.20843 05 23 00.91 +36 35 32.2 18.1 EA042704
K07A02T C2007 01 10.22109 05 22 59.99 +36 34 38.8 17.7 EA042704
K07A02T C2007 01 10.23385 05 22 59.06 +36 33 45.3 17.4 EA042704
K07A02T C2007 01 10.24651 05 22 58.17 +36 32 52.3 17.7 EA042704
K07A02T C2007 01 11.02558 05 22 21.44 +35 37 25.9 17.1 V EA042H98
K07A02T C2007 01 11.03899 05 22 20.56 +35 36 28.9 EA042H98
K07A02T C2007 01 11.04815 05 22 19.96 +35 35 49.5 EA042H98
K07A02T C2007 01 11.57909 05 21 53.82 +34 57 27.0 19.3 V EA042D35
K07A02T C2007 01 11.58041 05 21 53.76 +34 57 21.1 17.9 V EA042D35
K07A02T IC2007 01 11.58172 05 21 53.53 +34 57 17.1 18.2 V EA042D35
Observer details:
704 Lincoln Laboratory ETS, New Mexico. Observers M. Bezpalko, D. Torres,
R. Kracke, G. Spitz, J. Kistler. Measurers J. Stuart, S. Scruggs. 1.0-m
f/2.15 reflector + CCD.
D35 Lulin Observatory. Observers H.-C. Lin, C.-S. Lin, Q.-z. Ye. Measurer
Q.-z. Ye. 0.41-m f/8.8 Ritchey-Chretien + 2Kx2K CCD + f/6.25 focal
reducer.
H98 Dark Rosanne Obs., Middlefield. Observer R. Krajewski. 0.20-m f/4
Schmidt-Newtonian + CCD.
Orbital elements:
2007 AT2 Earth MOID = 0.1104 AU
Epoch 2007 Apr. 10.0 TT = JDT 2454200.5 MPC
M 20.26974 (2000.0) P Q
n 0.44628166 Peri. 215.48611 -0.84833010 -0.48358497
a 1.6958861 Node 294.20700 +0.52376252 -0.70685113
e 0.3763259 Incl. 13.67304 +0.07751686 -0.51624322
P 2.21 H 19.7 G 0.15 U 7
Residuals in seconds of arc
061210 704 0.3+ 0.7- 070110 704 0.2- 0.3+ 070111 H98 0.0 0.7-
061210 704 0.3- 0.1- 070110 704 0.2- 0.1- 070111 D35 0.2+ 0.3-
061210 704 0.2- 0.0 070110 704 0.3- 0.0 070111 D35 0.6+ 0.4-
061210 704 0.3+ 0.4+ 070110 704 0.1+ 0.3+ 070111 D35 1.1- 1.4+
061210 704 0.1- 0.4+ 070111 H98 0.3+ 0.4-
070110 704 0.6+ 0.0 070111 H98 0.1+ 0.3-
Ephemeris:
2007 AT2 a,e,i = 1.70, 0.38, 14 q = 1.0577
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2007 01 10 05 23.20 +36 50.0 0.186 1.149 150.1 25.2 17.5
2007 01 20 05 18.55 +23 06.9 0.162 1.114 141.0 33.7 17.4
2007 01 30 05 23.04 +06 25.7 0.152 1.087 128.7 45.0 17.5
2007 02 09 05 35.77 -09 55.9 0.158 1.068 117.2 55.2 17.8
2007 02 19 05 55.25 -23 20.1 0.175 1.059 109.1 61.9 18.2
2007 03 01 06 20.62 -33 13.8 0.198 1.059 105.0 64.6 18.6
2007 03 11 06 51.14 -40 09.1 0.224 1.069 104.0 64.3 18.9
2007 03 21 07 26.65 -44 40.0 0.250 1.089 105.3 61.9 19.1
2007 03 31 08 06.96 -47 12.7 0.278 1.117 108.2 58.2 19.3
2007 04 10 08 50.71 -48 03.0 0.306 1.152 112.0 53.7 19.4
2007 04 20 09 35.87 -47 22.1 0.338 1.193 116.2 49.1 19.6
2007 04 30 10 20.12 -45 29.4 0.376 1.239 120.0 44.8 19.8
2007 05 10 11 01.43 -42 49.0 0.421 1.288 122.8 41.2 20.0
2007 05 20 11 38.96 -39 47.1 0.477 1.339 124.2 38.7 20.3
2007 05 30 12 12.79 -36 48.0 0.544 1.392 123.8 37.2 20.6
2007 06 09 12 43.30 -34 07.1 0.623 1.445 122.0 36.5 21.0
2007 06 19 13 11.18 -31 51.7 0.714 1.499 119.1 36.3 21.3
2007 06 29 13 37.05 -30 03.8 0.816 1.552 115.4 36.3 21.7
2007 07 09 14 01.38 -28 41.0 0.928 1.605 111.1 36.2 22.0
Timothy B. Spahr (C) Copyright 2007 MPC M.P.E.C. 2007-A42
Read MPEC 2007-A41
Read MPEC 2007-A43
Our Web policy. Index to the CBAT/MPC/ICQ pages.
