Solar System
Dynamics
Group
2009 MG1
older results

Number of original observations: 15
Arc : 2009 06 21 - 2009 06 24
Nominal rms: 0″.67 (30 residuals)

Possible collisions in: 2083a, 2083b





Year: 2083a


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

Epoch [TT] a [AU] e i [deg] Ω [deg] ω [deg] M [deg] rms
20090618
20830607
2.180417011
2.174391172
0.658871175
0.662891745
7.0942260
7.2303677
87.8043692
82.7962679
101.7051280
107.4746664
15.0057409
11.5414251
0″.67
 

Impact date: 2083 06 14.680 (UT)   Vimpact= 20.823 km/sec   Ψimpact = 40°.28  

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.

Year: 2083b


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

Epoch [TT] a [AU] e i [deg] Ω [deg] ω [deg] M [deg] rms
20090618
20830607
2.181331252
2.173355850
0.659120251
0.662960211
7.0962600
7.2396168
87.8041949
82.8163455
101.6838297
107.3966489
14.9959636
11.5519080
0″.74
 

Impact date: 2083 06 14.696 (UT)   Vimpact= 20.845 km/sec   Ψimpact =69°.05  



External links:

2009 MG1 page (NASA JPL) and Impact Risk page NEO Program (NASA JPL)
2009 MG1 page and Impact Risk page at the NEO Dynamic Site (NEODyS)




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