Triton
Triton is the largest moon of the planet Neptune.
Image of the moon Triton composited from Voyager 2 images
Facts About Triton:
- Triton was the first of Neptune's moons to be discovered.
- It is the 7th-largest moon in the Solar System.
- It is the only known large moon in the Solar System to orbit in the opposite direction to its planet's rotation (retrograde orbit).
- It is thought that Triton is a captured moon from the Kuiper belt.
Classification: Moon (orbiting Neptune)
Names: Triton, Neptune I
Discovered: 1846 by William Lassell
Magnitude: 13.4700 (app) -1.2000 (abs)
Diameter: 2706 km
Mass: 2.139e+22 kg
Axial Tilt: 0.0000 °
Semi-major axis: 354759
Orbital Period: 5.876854 Earth days
Orbital Speed: 4.3900 km/s
Eccentricity: 0.00001600
Albedo: 0.7600
Volume: 10384000000 km3
Surface Area: 23018000 km2
Surface Gravity: 0.0794 g
Escape Velocity: 1.4550 km/s
Adjective: Tritonian