Solar System
Dynamics
Group 		2009 KK
older results

2009 KK was discovered on May 17th 2009 by Catalina Sky Survey. It has a diameter of about 220—490 meters.

Number of original observations: 105
Arc : 2009 05 17 - 2009 06 09
Nominal rms: 0″.35 (204 residuals)

Possible collisions in: 2022





Year: 2022


Orbital elements of impact orbit for two dates (equ. J2000)
Epoch [TT] a [AU] e i [deg] Ω [deg] ω [deg] M [deg] rms
 
dev/σ
 		 20090618

20220523		 1.508222378
-8.75
1.508510400		 0.457891530
-8.70
0.457939472		 18.3139860
-8.66
18.3060359		 68.1809333
8.66
68.0716284		 247.2377178
3.40
247.3747495		 337.9469145
-8.72
330.4620718		 0″.42

 

Impact date: 2022 05 29.758 (UT)   Vimpact= 19.491 km/sec   Ψimpact = 33°.88  

dev/σ
Deviation from the nominal orbit parameter divided by the respective uncertainty.
Vimpact
The velocity of the asteroid relative to the Earth at the moment of impact.
Ψimpact
The impact angle is measured from the vertical axis that goes through the impact point. Thus, the impact angle is 0 degrees for a vertical impact.
rms
Root mean square for the derived impact orbit.


Number of original observations: 68
Arc : 2009 05 17 - 2009 05 24
Nominal rms: 0″.37 (133 residuals)

Possible collisions in: 2022, 2026, 2034, 2038





Year: 2022


Orbital elements of impact orbit for two dates (equ. J2000)
Epoch [TT] a [AU] e i [deg] Ω [deg] ω [deg] M [deg] rms
 
dev/σ
 		 20090618

20220523		 1.508226534
-1.05
1.508511974		 0.457700228
-0.99
0.457747652		 18.2997764
-0.93
18.2918779		 68.1890407
0.95
68.0798230		 247.1907469
0.85
247.3275796		 337.9607272
-1.10
330.4673371		 0″.38

 

Impact date: 2022 05 29.765 (UT)   Vimpact= 19.483 km/sec   Ψimpact = 24°.65  

dev/σ
Deviation from the nominal orbit parameter divided by the respective uncertainty.
Vimpact
The velocity of the asteroid relative to the Earth at the moment of impact.
Ψimpact
The impact angle is measured from the vertical axis that goes through the impact point. Thus, the impact angle is 0 degrees for a vertical impact.
rms
Root mean square for the derived impact orbit.

Year: 2026


Orbital elements of impact orbit for two dates (equ. J2000)

Epoch [TT] a [AU] e i [deg] Ω [deg] ω [deg] M [deg] rms
 
dev/σ
 		 20090618

20260523		 1.526049652
-7.03
1.526126184		 0.465479964
-6.82
0.465781987		 18.5717290
-6.71
18.5635068		 68.0071017
6.74
67.8705612		 247.2251888
-2.21
247.3717957		 338.4460980
-6.96
331.1944555		 0″.45

 

Impact date: 2026 05 29.577 (UT)   Vimpact= 19.723 km/sec   Ψimpact =28°.62  

Year: 2034


Orbital elements of impact orbit for two dates (equ. J2000)

Epoch [TT] a [AU] e i [deg] Ω [deg] ω [deg] M [deg] rms
 
dev/σ
 		 20090618

20340523		 1.470672344
11.57
1.470585470		 0.440445090
11.93
0.440444738		 17.6946107
11.94
17.6831505		 68.5934094
-11.93
68.3888500		 247.1107646
7.95
247.3612680		 336.8716169
12.03
328.7972699		 0″.51

 

Impact date: 2034 05 30.154 (UT)   Vimpact= 18.981 km/sec   Ψimpact =17°.27  

Year: 2038


Orbital elements of impact orbit for two dates (equ. J2000)

Epoch [TT] a [AU] e i [deg] Ω [deg] ω [deg] M [deg] rms
 
dev/σ
 		 20090618

20380523		 1.485289106
6.66
1.485532159		 0.447271709
6.82
0.447645436		 17.9318423
6.89
17.9162459		 68.4350432
-6.89
68.1994914		 247.1333575
5.95
247.4118190		 337.3097618
6.75
329.4622102		 0″.56

 

Impact date: 2038 05 39.967 (UT)   Vimpact= 19.141 km/sec   Ψimpact =65°.62  



External links:

2009 KK page (NASA JPL) and Impact Risk page NEO Program (NASA JPL)
2009 KK page and Impact Risk page at the NEO Dynamic Site (NEODyS)




Solar System Dynamics & Planetology Group, 2008. All rights reserved