162173 Ryugu (1999 JU3)
Composition: Nickel, iron, cobalt, water, ammonia, nitrogen, hydrogen
Valuation: €72.96 Billion
Δv (km/s) Delta-velocity: 6.302
Upcoming Approaches to Earth: Dec 29, 2020: 0.061 AU. Jun 03, 2025: 0.373 AU. Jul 31, 2029: 0.392 AU. Dec 21, 2033: 0.047 AU. May 31, 2038: 0.368 AU.
Ryugu’s 2033 approach of 0.047 Astronomical Units is equivalent to 7,031,100 kilometers.
Closest approach of Earth from the Moon is 363,104 kilometers. Closest distance from Earth to Mars is 54,600,000 kilometers.
1968, NASA’s Apollo 8, return mission to the Moon, lasted 6 days, 3 hours, and 42 seconds, crying 3 crew, with a landing mass of 4,979 kilograms.
1972, Apollo 17, NASA’s last moon mission of the 20th century, returned to Earth. The Apollo space missions had returned a total of 382 kg of extraterrestrial rock and soil back to Earth.
Asteroid date source: Asterank; based on multiple scientific sources, with details on orbits and basic physical parameters sourced from the Minor Planet Center and NASA JPL.
2017 “Goldman Sachs: space-mining for platinum is 'more realistic than perceived…
Prospecting probes can likely be built for tens of millions of dollars each and Caltech has suggested an asteroid-grabbing spacecraft could cost $2.6bn,’”