Hale-Bopp
Aphelion:
370.8 AU

Perihelion:
0.914 AU

Orbital Period:
~ 2,533 years

  • Hale-Bopp was discovered in July 23, 1995.

  • Its last closest approach to the sun (perihelion) was on April 1st, 1997.

  • Hale-Bopp was visible to the naked eye for 18 months when it was nearest to Earth in 1997.