* Astronomy

Blobrana · L

Asteroid 2011 BY10

Blobrana · L

The 9 - 21 metre wide asteroid 2011 BY10 will make a close pass (21.3 lunar distances, 0.0548 AU), travelling at 9.40 km/second, to the Earth-Moon system on the 28th January, 2013 @ 16:03 UT ±1 day 19:35.

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

Blobrana · L

The 11 - 24 metre wide asteroid 2011 BY10 made a close pass (0.9 lunar distances, 0.0024 AU), travelling at 7.84 km/second, to the Earth-Moon system on the 20th January, 2011 @ 08:31 UT ±01:49.

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

Blobrana · L

Orbital elements:
2011 BY10                                                Earth MOID = 0.0020 AU
Epoch 2011 Feb. 8.0 TT = JDT 2455600.5                  MPC
M  23.11433              (2000.0)            P               Q
n   0.49062594     Peri.  141.15521     +0.10541556     -0.99402440
a   1.5920952      Node   302.77641     +0.90375496     +0.10765347
e   0.4154756      Incl.    1.93149     +0.41486689     +0.01806189
P   2.01           H   27.0           G   0.15           U   7

MPEC 2011 - B32

2011 BY10
Earth Impact Risk Summary

Torino Scale (maximum)	0
Palermo Scale (maximum)	-8.58
Palermo Scale (cumulative)	-8.36
Impact Probability (cumulative)	9.9e-08
Number of Potential Impacts	2

V_impact	13.68 km/s
V_infinity	7.94 km/s
H	27.0
Diameter	0.014 km
Mass	3.5e+06 kg
Energy	7.7e-02 MT
all above are mean values weighted by impact probability

Analysis based on
11 observations spanning .51522 days
(2011-Jan-24.43965 to 2011-Jan-24.95487)