* Astronomy

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


L

Posts: 131433
Date:
RE: Asteroid 2009 YG
Permalink  
 

Removed from Earth Impact Risk List.

__________________
Blobrana


L

Posts: 131433
Date:
Permalink  
 

2009 YG
Earth Impact Risk Summary
Torino Scale (maximum) 0
Palermo Scale (maximum) -2.97
Palermo Scale (cumulative) -2.63
Impact Probability (cumulative) 1.1e-06
Number of Potential Impacts 6
Vimpact 23.38 km/s
Vinfinity 20.56 km/s
H 18.3
Diameter 0.760 km
Mass 5.9e+11 kg
Energy 3.8e+04 MT
all above are mean values
weighted by impact probability
Analysis based on
49 observations spanning 12.087 days
(2009-Dec-17.42051 to 2009-Dec-29.507266)


__________________
Blobrana


L

Posts: 131433
Date:
Permalink  
 

2009 YG
Earth Impact Risk Summary
Torino Scale (maximum) 1
Palermo Scale (maximum) -2.10
Palermo Scale (cumulative) -1.84
Impact Probability (cumulative) 4.5e-06
Number of Potential Impacts 6
Vimpact 22.33 km/s
Vinfinity 19.35 km/s
H 18.2
Diameter 0.776 km
Mass 6.3e+11 kg
Energy 3.7e+04 MT
all above are mean values
weighted by impact probability
Analysis based on
45 observations spanning 10.092 days
(2009-Dec-17.42051 to 2009-Dec-27.51294)



__________________
Blobrana


L

Posts: 131433
Date:
Permalink  
 

2009 YG
Earth Impact Risk Summary
Torino Scale (maximum) 0
Palermo Scale (maximum) -2.51
Palermo Scale (cumulative) -2.26
Impact Probability (cumulative) 1.5e-06
Number of Potential Impacts 5
Vimpact 22.29 km/s
Vinfinity 19.29 km/s
H 18.1
Diameter 0.806 km
Mass 7.1e+11 kg
Energy 4.2e+04 MT
all above are mean values
weighted by impact probability
Analysis based on
39 observations spanning 9.0920 days
(2009-Dec-17.42051 to 2009-Dec-26.5125)



__________________
Blobrana


L

Posts: 131433
Date:
Permalink  
 

2009 YG
Earth Impact Risk Summary
Torino Scale (maximum) 0
Palermo Scale (maximum) -2.20
Palermo Scale (cumulative) -1.92
Impact Probability (cumulative) 2.9e-06
Number of Potential Impacts 9
Vimpact 22.15 km/s
Vinfinity 19.14 km/s
H 18.1
Diameter 0.827 km
Mass 7.6e+11 kg
Energy 4.5e+04 MT
all above are mean values
weighted by impact probability
Analysis based on
36 observations spanning 8.0006 days
(2009-Dec-17.42051 to 2009-Dec-25.42113)



__________________
Blobrana


L

Posts: 131433
Date:
Permalink  
 

2009 YG
Earth Impact Risk Summary
Torino Scale (maximum) 0
Palermo Scale (maximum) -3.70
Palermo Scale (cumulative) -3.18
Impact Probability (cumulative) 1.8e-07
Number of Potential Impacts 19
Vimpact 22.51 km/s
Vinfinity 19.56 km/s
H 18.1
Diameter 0.826 km
Mass 7.7e+11 kg
Energy 4.7e+04 MT
all above are mean values
weighted by impact probability
Analysis based on
33 observations spanning 3.0312 days
(2009-Dec-17.42051 to 2009-Dec-20.45175)



__________________
Blobrana


L

Posts: 131433
Date:
Permalink  
 

2009 YG
Earth Impact Risk Summary
Torino Scale (maximum) 0
Palermo Scale (maximum) -3.38
Palermo Scale (cumulative) -2.79
Impact Probability (cumulative) 4.4e-07
Number of Potential Impacts 32
Vimpact 22.48 km/s
Vinfinity 19.52 km/s
H 18.0
Diameter 0.838 km
Mass 8.0e+11 kg
Energy 4.8e+04 MT
all above are mean values
weighted by impact probability
Analysis based on
28 observations spanning 1.9986 days
(2009-Dec-17.42051 to 2009-Dec-19.41908)



__________________
Blobrana


L

Posts: 131433
Date:
Permalink  
 

2009 YG
Earth Impact Risk Summary
Torino Scale (maximum) 0
Palermo Scale (maximum) -3.51
Palermo Scale (cumulative) -2.86
Impact Probability (cumulative) 3.5e-07
Number of Potential Impacts 36
Vimpact 22.48 km/s
Vinfinity 19.52 km/s
H 18.0
Diameter 0.862 km
Mass 8.7e+11 kg
Energy 5.2e+04 MT
all above are mean values
weighted by impact probability
Analysis based on
25 observations spanning 1.7126 days
(2009-Dec-17.42051 to 2009-Dec-19.13312)



__________________
Blobrana


L

Posts: 131433
Date:
Permalink  
 

2009 YG
Earth Impact Risk Summary
Torino Scale (maximum) 0
Palermo Scale (maximum) -3.49
Palermo Scale (cumulative) -2.94
Impact Probability (cumulative) 3.1e-07
Number of Potential Impacts 59
Vimpact 22.00 km/s
Vinfinity 18.96 km/s
H 18.0
Diameter 0.831 km
Mass 7.8e+11 kg
Energy 4.5e+04 MT
all above are mean values
weighted by impact probability
Analysis based on
18 observations spanning 1.3148 days
(2009-Dec-17.42051 to 2009-Dec-18.7353)



__________________
Blobrana


L

Posts: 131433
Date:
Permalink  
 
 

Orbital elements:
2009 YG                                             PHA, Earth MOID = 0.0154 AU
Epoch 2010 Jan. 4.0 TT = JDT 2455200.5                  MPC
M 347.08863              (2000.0)            P               Q
n   0.30204134     Peri.   65.26001     -0.89936408     +0.43555425
a   2.2000124      Node   140.53043     -0.41957638     -0.83549198
e   0.7073452      Incl.    3.41853     -0.12288168     -0.33503082
P   3.26           H   18.2           G   0.15           U   9

MPEC 2009 - Y24

__________________
Page 1 of 1  sorted by
 
Quick Reply

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


Create your own FREE Forum
Report Abuse 		Powered by ActiveBoard