3200 Phaethon
Videos
3200 Phaethon, provisionally designated 1983 TB, is an active Apollo asteroid with an orbit that brings it closer to the Sun than any other named asteroid. For this reason, it was named after the Gree
Phaethon's dust ejection is likely caused by a mechanism similar to how mud in a dry lake bottom cracks from heat
Phaethon imaged on December 25, 2010, with the 37-cm f/14 Rigel telescope at Winer Observatory by Marco Langbroek
Apollo asteroid
Videos
The Apollo asteroids are a group of near-Earth asteroids named after 1862 Apollo, discovered by German astronomer Karl Reinmuth in the 1930s. They are Earth-crossing asteroids that have an orbital sem
3200 Phaethon
…3200 Phaethon (; previously sometimes spelled Phæton), provisionally designated 1983 TB, is an active Apollo asteroid with an orbit that brings it closer to the Sun than any other named asteroid (though there are numerous unnamed asteroids with smaller perihelia, such…
Common orbital subgroups of Near-Earth Objects (NEOs)