MPEC 2006-A42 : 2006 AF4
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M.P.E.C. 2006-A42 Issued 2006 Jan. 9, 12:45 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.
Supported in part by the Brinson Foundation
Supported in part by the TABASGO Foundation
Prepared using the Tamkin Foundation Computer Network
MPC@CFA.HARVARD.EDU
URL http://cfa-www.harvard.edu/iau/mpc.html ISSN 1523-6714
2006 AF4
Observations:
K06A04F* C2006 01 07.19721 07 44 06.26 +29 42 29.0 20.4 V EA042691
K06A04F C2006 01 07.21469 07 44 07.63 +29 41 12.9 20.5 V EA042691
K06A04F C2006 01 07.23217 07 44 09.03 +29 39 56.8 20.2 V EA042691
K06A04F tC2006 01 07.31307 07 44 15.04 +29 34 03.9 20.5 V EA042291
K06A04F tC2006 01 07.31963 07 44 15.57 +29 33 35.0 20.8 V EA042291
K06A04F tC2006 01 07.32589 07 44 15.96 +29 33 07.6 20.5 V EA042291
K06A04F C2006 01 08.36862 07 45 51.15 +28 18 23.2 19.8 V EA042G96
K06A04F C2006 01 08.37301 07 45 51.42 +28 18 04.6 20.1 V EA042G96
K06A04F C2006 01 08.37738 07 45 51.72 +28 17 46.6 20.2 V EA042G96
K06A04F C2006 01 08.38434 07 45 52.21 +28 17 18.0 20.8 V EA042291
K06A04F C2006 01 08.38895 07 45 52.52 +28 16 57.9 21.0 V EA042291
K06A04F C2006 01 08.39342 07 45 52.79 +28 16 39.0 20.9 V EA042291
K06A04F C2006 01 09.12385 07 46 53.52 +27 26 37.6 20 R EA042461
K06A04F C2006 01 09.12597 07 46 53.69 +27 26 28.7 EA042461
K06A04F C2006 01 09.12809 07 46 53.83 +27 26 20.3 EA042461
K06A04F C2006 01 09.13020 07 46 53.98 +27 26 11.6 EA042461
K06A04F 5C2006 01 09.23009 07 47 07.29 +27 19 50.2 20.6 R EA042673
K06A04F tC2006 01 09.23717 07 47 07.40 +27 19 26.5 EA042291
K06A04F 5C2006 01 09.23935 07 47 07.80 +27 19 14.4 EA042673
K06A04F tC2006 01 09.24250 07 47 07.70 +27 19 05.9 EA042291
K06A04F tC2006 01 09.24702 07 47 07.93 +27 18 47.7 EA042291
K06A04F 5C2006 01 09.25231 07 47 08.56 +27 18 24.7 EA042673
Observer details:
291 LPL/Spacewatch II. Observers T. H. Bressi, A. S. Descour. 1.8-m f/2.7
reflector + CCD.
461 Szeged University, Piszkesteto Stn. (Konkoly). Observer K. Sarneczky.
1.02-m Ritchey-Chretien + CCD.
673 Table Mountain Observatory, Wrightwood. Observer J. Young. 0.6-m f/16
Cassegrain + CCD.
691 Steward Observatory, Kitt Peak. Observer T. H. Bressi. 0.9-m f/3
reflector + CCD.
G96 Mt. Lemmon Survey. Observer E. J. Christensen. Measurers E. C. Beshore,
E. J. Christensen, G. J. Garradd, A. D. Grauer, R. E. Hill, R. A. Kowalski,
S. M. Larson, R. H. McNaught. 1.5-m reflector + CCD.
Orbital elements:
2006 AF4 Earth MOID = 0.0874 AU
Epoch 2006 Mar. 6.0 TT = JDT 2453800.5 MPC
M 26.51613 (2000.0) P Q
n 0.28492359 Peri. 132.13255 +0.36547569 -0.92495204
a 2.2872683 Node 296.15244 +0.81604328 +0.37232370
e 0.5491345 Incl. 6.67652 +0.44777324 +0.07641196
P 3.46 H 23.9 G 0.15 U 7
Residuals in seconds of arc
060107 691 0.1- 0.2- 060108 G96 0.0 0.2+ 060109 673 1.3+ 0.0
060107 691 0.5- 0.5- 060108 291 0.1- 0.3+ 060109 291 0.1+ 0.2-
060107 691 0.2- 0.7- 060108 291 0.1+ 0.4- 060109 673 0.3+ 0.0
060107 291 0.1+ 0.5+ 060108 291 0.1- 0.4- 060109 291 0.2- 0.1-
060107 291 0.9+ 0.5+ 060109 461 0.1- 0.2+ 060109 291 0.8- 0.7-
060107 291 0.2+ 0.8+ 060109 461 0.2+ 0.0 060109 673 0.4- 0.6+
060108 G96 0.2- 0.1- 060109 461 0.0 0.3+
060108 G96 0.3- 0.2- 060109 461 0.0 0.2+
Ephemeris:
2006 AF4 a,e,i = 2.29, 0.55, 7 q = 1.0312
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2006 01 05 07 40.01 +32 36.6 0.129 1.110 167.1 11.4 20.4
2006 01 15 07 53.16 +21 56.2 0.176 1.160 178.2 1.5 20.7
2006 01 25 07 59.23 +16 00.6 0.235 1.218 172.4 6.2 21.7
2006 02 04 08 03.88 +12 44.7 0.306 1.282 163.7 12.5 22.6
Timothy B. Spahr (C) Copyright 2006 MPC M.P.E.C. 2006-A42
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