* Astronomy

Members Login
Username 
 
Password 
    Remember Me  
Post Info TOPIC: Asteroid 2012 SD22


L

Posts: 131433
Date:
Asteroid 2012 SD22
Permalink  
 


Orbital elements:
2012 SD22                                           PHA, Earth MOID = 0.0155 AU
Epoch 2012 Sept. 30.0 TT = JDT 2456200.5                MPC
M 330.78079              (2000.0)            P               Q
n   0.35798805     Peri.  313.39561     -0.07275899     -0.99353162
a   1.9643718      Node   140.52616     +0.95010998     -0.09563195
e   0.5725145      Incl.    7.88243     +0.30331033     +0.06123270
P   2.75           H   20.1           G   0.15           U   1

MPEC 2013 - B66

Key to Orbital elements



__________________


L

Posts: 131433
Date:
Permalink  
 

Update:
The 260 - 580 metre wide asteroid 2012 SD22 will make a close pass (67.7 lunar distances, 0.1739 AU), travelling at 10.77 km/second, to the Earth-Moon system on the 10th December, 2012 @ 01:59 UT ±00:01. 

See more

The Lunar Distance (LD), the distance between Earth and the Moon, equals 384,401 km, (or 0.00256 AU).



__________________


L

Posts: 131433
Date:
Permalink  
 

Orbital elements:
2012 SD22                                           PHA, Earth MOID = 0.0157 AU
Epoch 2012 Sept. 30.0 TT = JDT 2456200.5                MPC
M 330.85448              (2000.0)            P               Q
n   0.35768424     Peri.  313.47509     -0.07186662     -0.99361084
a   1.9654840      Node   140.39739     +0.94999015     -0.09477140
e   0.5729417      Incl.    7.84609     +0.30389786     +0.06128521
P   2.76           H   20.0           G   0.15           U   8

MPEC 2012 - S51

The 260 - 590 metre wide asteroid 2012 SD22 will make a close pass (67.9 lunar distances, 0.1744 AU), travelling at 10.83 km/second, to the Earth-Moon system on the 9th December, 2012 @ 05:42 UT ±23:19. 

See more

The Lunar Distance (LD), the distance between Earth and the Moon, equals 384,401 km, (or 0.00256 AU).



__________________
Page 1 of 1  sorted by
 
Quick Reply

Please log in to post quick replies.



Create your own FREE Forum
Report Abuse
Powered by ActiveBoard