Natural Satellite
Hydra
Hydra is currently about 5,288,754,247 kilometres from Earth, or 35.35 astronomical units, which puts a one-way radio signal 4.9 hours out. It is 35.62 astronomical units from the Sun.
The outermost known moon of Pluto, a small, bright, irregular body of water ice.
Surface composition confirmed as nearly pure water ice.
Right now
- Distance from Earth
- 5,288,754,247 km (35.35 AU)
- Distance from the Sun
- 5,328,871,483 km (35.62 AU)
- One-way signal time
- 4.9 hours
The body
- Mean radius
- 19 km
- Orbital radius
- 64,738 km
- Orbital period
- 38 days