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.

#### 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.

#### 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