Hippocamp
Moon· orbits Neptune
Hippocamp — moon of Neptune.
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Key facts
Radius
17.4 km
1% of our Moon's radius
Orbit around Neptune
22.8 hours
0.95 Earth days
Science
Physical
- Radius
- 17.4 km · 1% of our Moon's radius
- Resolved from spacecraft/HST imaging — resolved imaging
Orbit around Neptune
- Distance from Neptune
- 105,313 km
- From JPL orbital elements
- Orbital period
- 22.82 hours
- From JPL orbital elements
- Eccentricity
- 0.0007773
- From JPL orbital elements
- Inclination to the J2000 equator
- 47.38 °
- From JPL orbital elements
Radiation & temperature
- Insolation
- 0.00112 S⊕ · 1/893 of the sunlight Earth receives
- Computed from the distance to the Sun (inverse-square; Earth's sunlight = 1), before any atmosphere.
Discovery & history
- By
- M.R. Showalter, I. de Pater, J.J. Lissauer, R.S. French
Hippocamp was discovered in 2013 by M.R. Showalter and colleagues. Neptune's moons are named after sea deities and nymphs of Greek mythology. Beyond its discovery and naming, little more about it has been individually recorded.
Images
Images from open archives · credit shown per image