Metis — planet | wkmrr.org

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Flora > Metis > Hygiea

9 Metis

Discovered: April 25, 1848^[1]
Discoverer: A. Graham^[1]
Semi-major axis =2.387 AU^[1]
Orbital period=3.69 Earth years^[1]
Irregular and elongated^[1]
Probably the remains of a larger asteroid.^[1]

https://ssd.jpl.nasa.gov/tools/sbdb_lookup — https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=9%20Metis&view=VOP

References

↑ ^1.0 ^1.1 ^1.2 ^1.3 ^1.4 ^1.5 http://en.wikipedia.org/wiki/9_Metis