MPEC 2009-F46 : 2009 FS4
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M.P.E.C. 2009-F46 Issued 2009 Mar. 20, 15:42 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://www.cfa.harvard.edu/iau/mpc.html ISSN 1523-6714
2009 FS4
Revision to MPEC 2009-F36
Observations:
K09F04S*tC2009 03 18.94834 10 29 29.32 +09 23 01.5 20.2 C EF046493
K09F04S tC2009 03 18.97894 10 29 36.35 +09 21 55.3 20.4 C EF046493
K09F04S tC2009 03 19.00948 10 29 43.44 +09 20 48.4 20.8 C EF046493
K09F04S C2009 03 19.06122 10 29 55.61 +09 18 54.1 21.0 C EF046493
K09F04S C2009 03 19.06263 10 29 55.95 +09 18 51.3 20.9 C EF046493
K09F04S C2009 03 19.06405 10 29 56.29 +09 18 47.9 21.3 C EF046493
K09F04S C2009 03 19.09859 10 30 04.70 +09 17 30.2 21.1 C EF046493
K09F04S C2009 03 19.10183 10 30 05.50 +09 17 22.9 20.8 C EF046493
K09F04S C2009 03 19.10518 10 30 06.35 +09 17 15.2 20.9 C EF046493
K09F04S C2009 03 19.17833 10 30 33.36 +09 14 44.6 20.5 R EF046H01
K09F04S C2009 03 19.18658 10 30 35.31 +09 14 26.6 20.5 R EF046H01
K09F04S C2009 03 19.19233 10 30 36.67 +09 14 14.0 20.6 R EF046H01
K09F04S C2009 03 19.20063 10 30 37.39 +09 13 48.4 20.0 R EF046H36
K09F04S C2009 03 19.20165 10 30 38.87 +09 13 53.6 20.5 R EF046H01
K09F04S C2009 03 19.22018 10 30 42.00 +09 13 04.5 20.8 R EF046H36
K09F04S C2009 03 19.23974 10 30 46.66 +09 12 20.8 20.6 R EF046H36
K09F04S C2009 03 19.86751 10 33 47.78 +08 47 52.5 20.3 V EF046611
K09F04S C2009 03 19.88452 10 33 52.28 +08 47 11.6 20.4 V EF046611
Observer details:
493 Calar Alto. Observer F. Hormuth. 1.23-m reflector + CCD.
611 Starkenburg. Observers M. Busch, T. Haeusler. 0.45-m f/4.4 reflector
+ CCD.
H01 Magdalena Ridge Observatory, Socorro. Observer W. H. Ryan. 2.4-m f/8.9
reflector + CCD.
H36 Sandlot Observatory, Scranton. Observer G. Hug. 0.56-m reflector + CCD.
Orbital elements:
2009 FS4 Earth MOID = 0.0247 AU
Epoch 2009 June 18.0 TT = JDT 2455000.5 MPC
M 17.13921 (2000.0) P Q
n 0.25450242 Peri. 208.04513 -0.91284806 +0.40829878
a 2.4660854 Node 356.05267 -0.37261333 -0.83378707
e 0.5833844 Incl. 0.60250 -0.16693630 -0.37160628
P 3.87 H 25.3 G 0.15 U 8
Residuals in seconds of arc
090318 493 0.6- 0.5+ 090319 493 0.5- 0.2+ 090319 H36 0.6- 0.3+
090318 493 0.4- 0.3+ 090319 493 0.5- 0.2+ 090319 H01 0.4- 0.1+
090319 493 0.0 0.0 090319 493 0.2- 0.1+ 090319 H36 1.0- 0.3-
090319 493 0.5- 0.3+ 090319 H01 0.3- 0.3+ 090319 H36 0.9- 0.4-
090319 493 0.5- 0.6+ 090319 H01 0.4- 0.2+ 090319 611 0.3- 0.5+
090319 493 0.5- 0.4+ 090319 H01 0.4- 0.2+ 090319 611 0.5- 0.2+
Ephemeris:
2009 FS4 a,e,i = 2.47, 0.58, 1 q = 1.0274
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2009 03 20 10 34.42 +08 43.8 0.0776 1.068 157.6 20.8 20.9
2009 03 22 10 45.68 +07 11.5 0.0693 1.061 158.7 19.9 20.6
2009 03 24 11 00.05 +05 12.0 0.0614 1.055 160.8 18.1 20.3
2009 03 26 11 18.60 +02 35.7 0.0541 1.050 164.0 15.2 19.9
2009 03 28 11 42.76 -00 49.4 0.0474 1.045 168.8 10.7 19.5
2009 03 30 12 14.33 -05 14.5 0.0418 1.040 174.8 5.0 18.9
2009 04 01 12 55.03 -10 40.3 0.0376 1.037 172.9 6.8 18.8
2009 04 03 13 45.22 -16 38.5 0.0353 1.033 162.1 17.3 19.0
2009 04 05 14 41.99 -22 06.2 0.0353 1.031 149.8 29.2 19.4
2009 04 07 15 38.88 -26 01.9 0.0374 1.029 138.3 40.3 19.8
2009 04 09 16 29.39 -28 12.2 0.0414 1.028 128.8 49.4 20.3
2009 04 11 17 10.54 -29 04.2 0.0467 1.027 121.8 56.0 20.7
2009 04 13 17 42.63 -29 11.5 0.0529 1.028 116.7 60.6 21.1
2009 04 15 18 07.35 -28 57.1 0.0597 1.028 113.3 63.6 21.5
2009 04 17 18 26.47 -28 33.8 0.0669 1.030 111.1 65.5 21.8
2009 04 19 18 41.43 -28 08.1 0.0743 1.032 109.7 66.4 22.1
MPEC 2009-F36 inadvertently omitted the correct discovery observations of
this object as a result of slightly-different duplicate observations submitted
by the observers. This MPEC corrects the discovery details.
Gareth V. Williams (C) Copyright 2009 MPC M.P.E.C. 2009-F46
Read MPEC 2009-F45
Read MPEC 2009-F47
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