Updated:2013-08-22

Meteorite Action!

1972-08-10 : Grand Teton National Park (U.S.A/Canada)

Spatial and Temporal Informations

Place of observation
Grand Teton National Park (U.S.A/Canada)
Date of observation
August 10, 1972 14h 28mn 29s LT
August 10, 1972 20h 28mn 29s UT
Fireball duration
101 s
Initial velocity
15.03 km/s
Start height of bolide
75.98 km
Start Coordinates
39°17'20" N, 247°25'30" E
Terminal height of bolide
101.55 km
Terminal Coordinates
52°19'52" N, 246°14'31" E
Fireball terminal velocity
14.21 km/s
Ground path of the fireball
1500 km

Physical and kinetics Informations

Maximum absolute magnitude
-15 -> -19 ( 58 km of height )
Pre-atmospheric mass of the meteoroid
10000 -> 1000000 kg
Corresponding size (diameter)
5 -> 10 m
Kinetic energy
2.8 -> 28 kt TNT

Orbital

Semimajor axis (a)
1.661 ± 0.004 UA
Inclination (i)
15.22 ± 0.03 °
Eccentricity (e)
0.3904 ± 0.0016
Longitude of ascending nodet (W)
317.956 °
Argument of perihelion (w)
355.57 ± 0.08 °
Perihelion distance (q)
1.01127 UA
Aphelion distance (Q)
2.310 ± 0.009 UA
TXT_VUE_DESSUS
Vue parallele au grand axe
Vue parallele à la ligne des noeuds

Reference

Earth-grazing daylight fireball of August 10, 1972
Z. Ceplecha
Astronomy and Astrophysics 283 (1994), pp. 287-288