Sep 24, 2023, 08:42:00 MDT
OSIRIS-REx Mission
🚀 OSIRIS-REx
Crusing speed: 44,497.145 km/h
Enter NASA OSIRIS-REx Mission
Earth’s atmosphere
Capsule will parachute from 7,000 feet above
🇺🇸 Department of Defense's Utah Test & Training Range
🎯 Ejecting the sample canister
Sep 24, 2023, 09:02:00 MDT
OSIRIS-APEX Mission
After the sample return
The OSIRIS-REx spacecraft will be using its remaining fuel
for another long-duration rendezvous --
Asteroid Apophis has been selected for this extended mission
As such
OSIRIS-REx will be renamed to OSIRIS-APEX Abbreviation for OSIRIS-Apophis Explorer
Apophis is the Ancient Egyptian sun-god
Greek name of Apep, an enemy of Ra
Sep 8, 2016 to Sep 24, 2023 OSIRIS-REx traveled
📍 1.93 billion km to reach Asteroid Bennu
📍 2.25 billion km back to Planet Earth
Sep 24, 2023 to Apr 13, 2029
OSIRIS-APEX will be traveling
📍 287,095,507 km to reach Asteroid Apophis
📍 ~310,000,000 km back to Planet Earth
Total Distance traveled
4.78 billion km
Between January 2013 & December 2100
the closest approach of an asteroid to esrth is Asteroid 99942 Apophis
It is expected to happens on Apr 13, 2029
at a distance of 65,520 km or 0.00043797 AU
Asteroid Apophis Discovered: 2004
Size: 340 meters
Estimated weight: 61 billion kg
Composition: Rock & metallic
one of the most hazardous asteroids that could impact Earth
Impact assessment changed after astronomers tracked Apophis
and its orbit became better determined.