* Astronomy

Blobrana · L

RE: Asteroid 2010 DJ1

Blobrana · L

Orbital elements:
2010 DJ1                                                 Earth MOID = 0.0011 AU
Epoch 2010 Jan. 4.0 TT = JDT 2455200.5                  MPC
M 332.20569              (2000.0)            P               Q
n   0.29845047     Peri.  259.24821     -0.61961823     +0.78357139
a   2.2176238      Node   332.30179     -0.67623091     -0.56248761
e   0.7016117      Incl.    5.64323     -0.39847836     -0.26386277
P   3.30           H   26.9           G   0.15           U   4

MPEC 2010 - D60

Blobrana · L

Removed as an Earth Impact Risk.

Blobrana · L

2010 DJ1
Earth Impact Risk Summary

Torino Scale (maximum)	0
Palermo Scale (maximum)	-9.06
Palermo Scale (cumulative)	-9.06
Impact Probability (cumulative)	1.5e-09
Number of Potential Impacts	1

V_impact	23.43 km/s
V_infinity	20.61 km/s
H	26.8
Diameter	0.015 km
Mass	4.4e+06 kg
Energy	2.9e-01 MT
all above are mean values weighted by impact probability

Analysis based on
25 observations spanning .94758 days
(2010-Feb-17.40179 to 2010-Feb-18.34937)

Blobrana · L

The 11 - 25 metre wide asteroid 2010 DJ1 will make a close pass (1.0 lunar distances, 0.0026 AU), travelling at 19.90 km/second, to the Earth-Moon system on the 21st February, 2010.

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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:
2010 DJ1                                                 Earth MOID = 0.0011 AU
Epoch 2010 Jan. 4.0 TT = JDT 2455200.5                  MPC
M 331.87262              (2000.0)            P               Q
n   0.30181709     Peri.  259.24550     -0.61969139     +0.78352237
a   2.2011020      Node   332.30024     -0.67634453     -0.56256869
e   0.6990471      Incl.    5.62414     -0.39817165     -0.26383548
P   3.27           H   26.8           G   0.15           U   9

MPEC 2010 - D43