* Astronomy

Blobrana · L

RE: Asteroid 2009 RZ3

Blobrana · L

2009 RZ3
Earth Impact Risk Summary

Torino Scale (maximum)	0
Palermo Scale (maximum)	-4.29
Palermo Scale (cumulative)	-3.50
Impact Probability (cumulative)	1.0e-07
Number of Potential Impacts	22

V_impact	35.69 km/s
V_infinity	33.90 km/s
H	18.7
Diameter	0.615 km
Mass	3.2e+11 kg
Energy	4.8e+04 MT
all above are mean values weighted by impact probability

Analysis based on
33 observations spanning 4.9625 days
(2009-Sep-14.20535 to 2009-Sep-19.1679)

Blobrana · L

2009 RZ3
Earth Impact Risk Summary

Torino Scale (maximum)	0
Palermo Scale (maximum)	-3.56
Palermo Scale (cumulative)	-3.01
Impact Probability (cumulative)	1.9e-07
Number of Potential Impacts	63

V_impact	35.80 km/s
V_infinity	34.02 km/s
H	18.7
Diameter	0.628 km
Mass	3.4e+11 kg
Energy	5.2e+04 MT
all above are mean values weighted by impact probability

Analysis based on
25 observations spanning 2.9393 days
(2009-Sep-14.20535 to 2009-Sep-17.14466)

Blobrana · L

Orbital elements:
2009 RZ3                                            PHA, Earth MOID = 0.0288 AU
Epoch 2009 June 18.0 TT = JDT 2455000.5                 MPC
M 309.99028              (2000.0)            P               Q
n   0.26178829     Peri.  112.59140     -0.22390331     -0.95187665
a   2.4201145      Node   344.76390     +0.29448984     +0.13861782
e   0.7049252      Incl.   52.78352     +0.92905492     -0.27334216
P   3.76           H   18.7           G   0.15           U   9

MPEC 2009 - R60

2009 RZ3
Earth Impact Risk Summary

Torino Scale (maximum)	0
Palermo Scale (maximum)	-3.60
Palermo Scale (cumulative)	-3.38
Impact Probability (cumulative)	2.2e-08
Number of Potential Impacts	27

V_impact	35.88 km/s
V_infinity	34.11 km/s
H	18.6
Diameter	0.641 km
Mass	3.6e+11 kg
Energy	5.5e+04 MT
all above are mean values weighted by impact probability

Analysis based on
19 observations spanning 1.0400 days
(2009-Sep-14.20535 to 2009-Sep-15.24539)