Solar System
Dynamics
Group 		2004 FU4
older results

Asteroid 2004 FU4 was discovered on March 20, 2004 by Lincoln Laboratory ETS, New Mexico. This object has a diameter of about 0.6—1.3 kilometers.

Number of original observations: 44
Arc : 2004 03 19 - 2004 03 30
Nominal rms: 0″.58 (86 residuals)

Possible collisions in: 2010





Year: 2010


Orbital elements of impact orbit for two dates (equ. J2000)

Epoch [TT] a [AU] e i [deg] Ω [deg] ω [deg] M [deg] rms
20040319
20101018		 1.263438956
1.263601514		 0.263712350
0.263836389		 23.4184562
23.4209868		 31.7278009
31.6961358		 46.3043188
46.3117801		 99.1574212
327.6434562		 0″.60
 

Impact date: 2010 10 25.364 (UT)   Vimpact= 18.053 km/sec   Ψimpact = 45°.46  

Vimpact
The velocity of the asteroid relative to the Earth at the moment of impact.
Ψimpact
The impact angle is measured from the vertical axis that goes through the impact point. Thus, the impact angle is 0 degrees for a vertical impact.
rms
Root mean square for the derived impact orbit.




External links:

2004 FU4 page (NASA JPL) and Impact Risk page NEO Program (NASA JPL)
2004 FU4 page and Impact Risk page at the NEO Dynamic Site (NEODyS)




Solar System Dynamics & Planetology Group, 2008. All rights reserved