* Astronomy

Members Login
Username 
 
Password 
    Remember Me  
Post Info TOPIC: Asteroid 2003 BB21


L

Posts: 131433
Date:
RE: Asteroid 2003 BB21
Permalink  
 


The 180 - 410 metre wide asteroid 2003 BB21 made a close pass (54.0 lunar distances, 0.1387 AU), travelling at 12.46 km/second, to the Earth-Moon system on the 28th February, 2013 @ 10:13 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:
2003 BB21                                           PHA, Earth MOID = 0.0292 AU
Epoch 2012 Sept. 30.0 TT = JDT 2456200.5                MPC
M 307.88214              (2000.0)            P               Q
n   0.29521708     Peri.  212.72819     -0.95618056     +0.29189991
a   2.2337868      Node   344.19598     -0.24754203     -0.84733909
e   0.5535898      Incl.    4.77132     -0.15633836     -0.44363377
P   3.34           H   20.9           G   0.15           U   1

MPEC 2013 - B03

Key to Orbital elements



__________________
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