description 85 Io Overview
85 Io is a carbonaceous main-belt asteroid discovered by Christian Heinrich Friedrich Peters at the Litchfield Observatory on 19 September 1865. It is about 155 kilometers in diameter, completes an orbit around the Sun in roughly 4.32 years, and rotates in about 6.88 hours. Its spectrum is classified as FC in the Tholen system and B in the SMASS system. The name refers to Io, a figure from Greek mythology, not Jupiter's volcanic moon.
help 85 Io FAQ
How good is 85 Io?
85 Io scores 4.42/10 (Poor) on Lunoo, making it rated in the Asteroid category.
What are the best alternatives to 85 Io?
See our alternatives page for 85 Io for a ranked list with scores. Top alternatives include: 11 Parthenope, 18 Melpomene, 141 Lumen.
How does 85 Io compare to 11 Parthenope?
See our detailed comparison of 85 Io vs 11 Parthenope with scores, features, and an AI-powered verdict.
Is 85 Io worth it in 2026?
With a score of 4.42/10, 85 Io is a solid option in Asteroid. See all Asteroid ranked.
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