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Proteus
Image: Wikimedia Commons

Proteus

Moon of Neptune

Moonmoon of Neptuneregular moonQ16081

Also known as Neptune VIII · S/1989 N 1

Orbits
Mass
Radius
Orbital period
Semi-major axis
  • 117,647 km
Discovered by
Discovered
  • June 16, 1989

Overview

All data

33 statements · 21% with external sources · numbers in brackets are citations

Named after
Provisional designation
  • S/1989 N 1
Albedo
  • 0.096
Apparent magnitude
  • 19.7 astronomical filter: V band
Eccentricity
  • 0.00053
Inclination
Volume as quantity
Temperature
  • 51 K sourcing circumstances: mean
Epoch

On other databases

10 identifiers linking Proteus across the web's reference databases