• Transit of Mercury

    Global / Inter-Global

    Mercury to pass directly between Earth and Sun; observers see distant planet as small dot gliding slowly across face of Sun; starts Nov 12 at 20:41 HST, ends 01:07 Nov 13.

  • Lucy to Flyby Asteroids 617 Patroclus and Menoetius

    Jupiter Trojan camp at L5

    NASA Lucy mission to come within 1,000 km of 113-km diameter 617 Patroclus and 104-km diameter Menoetius, p-type binary asteroids; Lucy will be in a stable, 6-year orbit between the L4 and L5 -- mission extension may be granted.

  • Lucy Spacecraft End of Primary Mission, Continues Orbit Around Sun

    Heliocentric Orbit

    End of primary mission for NASA Lucy mission, future science and mission plan extension TBD; mission is a twelve-year journey to eight different asteroids, and craft will continue to orbit the Sun in a stable orbit between the L4 and L5 Trojan swarms around Jupiter. 

  • Tianwen-2 to Rendezvous with Comet 311/P PanSTARRS

    Comet 311/P PanSTARRS Orbit

    China asteroid sample return mission, having returned at least 100 grams from Kamo’oalewa (2016 HO3), to rendezvous with and begin orbiting Comet 311/P PanSTARRS for 1 year.