* Astronomy

Members Login
Username 
 
Password 
    Remember Me  
Home -> Astronomy News -> Solar System -> Asteroid 2009 SB15
Post Info TOPIC: Asteroid 2009 SB15
Blobrana


L

Posts: 131433
Date:
RE: Asteroid 2009 SB15
Permalink  
 

The 200 - 460 metre wide asteroid 2009 SB15 will make a close pass (30.4 lunar distances, 0.0782 AU), travelling at 19.47 km/second, to the Earth-Moon system on the 3rd November, 2012 @ 16:18 UT ±00:01. 

See more

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



__________________
Blobrana


L

Posts: 131433
Date:
Permalink  
 
 

Orbital elements:
2009 SB15                                                Earth MOID = 0.0635 AU
Epoch 2009 Sept. 6.0 TT = JDT 2455080.5                 MPC
M 305.79629              (2000.0)            P               Q
n   0.40152207     Peri.  170.85176     -0.54818438     -0.83481409
a   1.8196859      Node   312.37175     +0.76292998     -0.47425343
e   0.6117171      Incl.    3.94183     +0.34268313     -0.27958739
P   2.45           H   20.6           G   0.15
From 18 observations 2009 Sept. 18-20.

MPEC 2009 - S56

2009 SB15
Earth Impact Risk Summary
Torino Scale (maximum) 0
Palermo Scale (maximum) -7.72
Palermo Scale (cumulative) -7.72
Impact Probability (cumulative) 1.7e-10
Number of Potential Impacts 1
Vimpact 11.65 km/s
Vinfinity 3.39 km/s
H 22.1
Diameter 0.130 km
Mass 2.7e+09 kg
Energy 4.4e+01 MT
all above are mean values
weighted by impact probability
Analysis based on
18 observations spanning 2.0748 days
(2009-Sep-18.39595 to 2009-Sep-20.47073)



__________________
Page 1 of 1  sorted by
 
Quick Reply

Please log in to post quick replies.
Home -> Astronomy News -> Solar System -> Asteroid 2009 SB15


Create your own FREE Forum
Report Abuse 		Powered by ActiveBoard