Solar System Dynamics Group |
2008 ST7 older results |
The small asteroid 2008 ST7 was discovered on September 24, 2008 by the Mount Lemmon Survey, seventeen days after it had passed within 880 000 km of Earth.
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 |
20081130 20740903 |
1.934926113 -3.32 1.883457113 |
0.514292260 -3.28 0.503099773 |
2.4511716 -3.22 3.0436767 |
347.8877863 4.88 346.7031571 |
321.6181827 -0.28 322.0399603 |
40.8997481 3.30 8.7128886 |
0″.33 |
Impact date: 2074 09 10.012 (UT) Vimpact= 15.079 km/sec Ψimpact = 32°.09
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 |
20081130 20820902 |
1.930699091 2.39 1.870293912 |
0.513182514 2.37 0.499912693 |
2.4474458 2.35 2.7409396 |
347.8936609 -2.93 346.4405649 |
321.6181887 -0.29 321.8332101 |
41.0361023 -2.38 8.5694379 |
0″.33 |
Impact date: 2082 09 09.848 (UT) Vimpact= 15.263 km/sec Ψimpact = 17°.14
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 |
20081130 20890902 |
1.935111264 -3.57 1.942666656 |
0.514328619 -3.47 0.515678856 |
2.4512472 -3.33 2.4578864 |
347.8837118 10.31 346.3700944 |
321.6227266 -4.75 323.8494646 |
40.8943448 3.53 7.6080341 |
0″.39 |
Impact date: 2089 09 09.643 (UT) Vimpact= 15.162 km/sec Ψimpact = 77°.48
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 |
20081130 20940903 |
1.933010369 -0.73 1.925067610 |
0.513790277 -0.73 0.512071012 |
2.4494712 -0.68 2.4698775 |
347.8903891 1.42 346.4479114 |
321.6182109 -0.31 323.2935874 |
40.9614407 0.73 8.1087116 |
0″.32 |
Impact date:2094 09 09.992 (UT) Vimpact= 15.268 km/sec Ψimpact = 55°.31
dev/σ |
20081130 20940903 |
1.934333348 -2.52 1.925112946 |
0.514139095 -2.50 0.512154878 |
2.4506673 -2.47 2.4700094 |
347.8892982 2.87 346.5453794 |
321.6173648 0.52 323.2349883 |
40.9187258 2.51 8.0890246 |
0″.32 |
Impact date: 2094 09 10.064 (UT) Vimpact= 15.306 km/sec Ψimpact = 30°.80
dev/σ |
20081130 20940903 |
1.938481690 -8.12 1.992600885 |
0.515238017 -8.10 0.525874286 |
2.4544010 -8.05 2.7502770 |
347.8879445 4.67 346.3776885 |
321.6121274 5.67 325.1440416 |
40.7849021 8.09 7.2173048 |
0″.36 |
Impact date: 2094 09 9.903 (UT) Vimpact= 15.307 km/sec Ψimpact = 48°.43