Nereid
large moon of Neptune
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Summary
Nereid is a moon of Neptune[1]. Nereid draws 1,337 Wikipedia views per month (moon of neptune category, ranking #3 of 15).[2]
Key Facts
- Discoverer or inventor: Gerard Kuiper[3]
- Instance of: irregular moon[4]
- Named after: Nereids[5]
- Commons category: Nereid (moon)[6]
- Parent astronomical body: Neptune[7]
- Time of discovery or invention: May 1, 1949[8]
- Topic's main category: Category:Nereid (moon)[9]
- Commons gallery: Nereid[10]
- Orbital eccentricity: 0.7512[11]
- Flattening: 0.23[12]
- Apparent magnitude: 19.18[13]
- Absolute magnitude: 4.418[14]
- Orbital inclination: 7.1 degree[15], 5.1 degree[16], 28.4 degree[17]
- Density: 1.5 gram per cubic centimetre[18]
- Mass: 31 zettagram[19]
- Temperature: 50 K[20]
- Radius: 170 km[21]
- Orbital period: 360.11 day[22]
- Rotation period: 11.594 hour[23]
- Longitude of ascending node: 326.0 degree[24]
- Semi-major axis of an orbit: 5,513,400 km[25]
- Argument of periapsis: 290.3 degree[26]
- Mean anomaly: 318.0 degree[27]
- Diameter: 357 km[28]
- Albedo: 0.155[29]
Why It Matters
Nereid has Wikipedia articles in 28 language editions, a strong signal of global cultural recognition.[30] Nereid is known by 23 alternative names across languages and contexts.[31]