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The following Minor Planet Electronic Circular may be linked-to from your own Web pages, but must not otherwise be redistributed electronically.
M.P.E.C. 2004-Q22 Issued 2004 Aug. 22, 03:19 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
Prepared using the Tamkin Foundation Computer Network
[email protected]
URL http://cfa-www.harvard.edu/iau/mpc.html ISSN 1523-6714
2004 FU162
Observations:
K04FG2U* C2004 03 31.27744 13 30 48.30 -05 09 28.8 16.7 EQ022704 3/31/04 6:39:30.816
K04FG2U C2004 03 31.28749 13 30 45.24 -05 14 22.5 16.9 EQ022704 3/31/04 6:53:59.136
K04FG2U C2004 03 31.29790 13 30 41.55 -05 19 43.3 17.5 EQ022704 3/31/04 7:08:58.560
K04FG2U C2004 03 31.30799 13 30 37.61 -05 25 11.8 16.9 EQ022704 3/31/04 7:23:30.336
Observer details:
704 Lincoln Laboratory ETS, New Mexico. Observers M. Blythe, F. Shelly,
M. Bezpalko, R. Huber, L. Manguso, D. Torres, R. Kracke, M. McCleary,
H. Stange, A. Milner. Measurers J. Stuart, R. Sayer, J. Evans, J. Kommers.
1.0-m f/2.15 reflector + CCD.
Orbital elements:
2004 FU162
Epoch 2004 July 14.0 TT = JDT 2453200.5 Chesley
M 33.72709 (2000.0) P Q
n 1.31111456 Peri. 139.80776 +0.87470240 +0.48445394
a 0.8267527 Node 191.24124 -0.46121410 +0.82306453
e 0.3919592 Incl. 4.16120 -0.14892032 +0.29642732
P 0.75 H 28.7 G 0.15 U 9
Residuals in seconds of arc
040331 704 0.1+ 0.0 040331 704 0.3+ 0.0
040331 704 0.3- 0.0 040331 704 0.1- 0.0
This object passed some 0.000086 AU (= 13000 km) from the center of
the earth on 2004 Mar. 31.65. By the time the object was detected and
reported to the Minor Planet Center it had moved into the daylight sky,
making follow-up impossible. It was obvious that a very close approach had
just occurred. A search by the discoverers for prediscovery images was
unsuccessful. Although the observed arc is only 44 minutes, the orbit is
quite determinate and, given the exceptional nature of this close approach,
the object is now receiving a designation. The above orbit is by
S. R. Chesley (JPL), who also supplied a pre-encounter orbit (epoch
2004 Mar. 31.0 TT): M = 289.81518; Peri. = 289.23728; Node = 11.12350;
Incl. = 2.39999; a = 1.0045025; e = 0.3416471.
Gareth V. Williams (C) Copyright 2004 MPC M.P.E.C. 2004-Q22
Our Web policy. Index to the CBAT/MPC/ICQ pages.
K04FG2U* C2004 03 31.27744 13 30 48.30 -05 09 28.8 16.7 EQ022704
3/31/04 6:39:30.816
2004 FU162 Pre
Distance from Earth: 0.002397 astronomical units.
Distance from Sun: 1.001432 astronomical units.
Heliocentric: l:-169.1337 b:0.0108 r:1.0014
Magnitude: 16.3
Magnitude: 16.3
RA: 13h 29m 36.8s Dec: -03�47'16"
RA: 13h 29m 23.6s Dec: -03�45'57" (Epoch 2000)
Azm: 353�25'17" Alt: +41�18'10"
Rise: 23:53 Transit: 06:20 Set: 12:42
From Skip Position - 2004 FU162 Pre:
Angular separation: 02�53'57"
Position angle: +349�44'
Buffer point #1
1
Snapped to:Cursor posn
RA: 13h 31m 01.6s Dec: -05�10'47"
RA: 13h 30m 48.3s Dec: -05�09'29" (Epoch 2000)
Azm: 353�41'37" Alt: +42�41'24"
Rise: 23:47 Transit: 06:21 Set: 12:51
From Buffer point #2:
Angular separation: 00�04'57"
Position angle: +08�51'
K04FG2U C2004 03 31.28749 13 30 45.24 -05 14 22.5 16.9 EQ022704
3/31/04 6:53:59.136
2004 FU162 Pre
Distance from Earth: 0.002334 astronomical units.
Distance from Sun: 1.001373 astronomical units.
Heliocentric: l:-169.1244 b:0.0104 r:1.0014
Magnitude: 16.3
Magnitude: 16.3
RA: 13h 29m 34.4s Dec: -03�49'44"
RA: 13h 29m 21.2s Dec: -03�48'25" (Epoch 2000)
Azm: 348�37'08" Alt: +40�59'49"
Rise: 23:53 Transit: 06:20 Set: 12:42
From Buffer point #1:
Angular separation: 01�23'55"
Position angle: +344�59'
Buffer point #4
4
Snapped to:Cursor posn
RA: 13h 30m 50.9s Dec: -05�26'30"
RA: 13h 30m 37.6s Dec: -05�25'12" (Epoch 2000)
Azm: 348�42'43" Alt: +42�36'28"
Rise: 23:46 Transit: 06:21 Set: 12:52
From Buffer point #1:
Angular separation: 00�15'56"
Position angle: +189�36'