Triton

Natural satellite of Neptune


Discovered by Lassell in 1846
Mean distance from Neptune 354,800 km
Diameter 2705 km
Mass 2.14 x 1022 kg
Density 2.06 kg/cubic metre
Escape Velocity 144 km/sec
Sidereal Period (month) 5.877 Earth-days
Orbital inclination 159.9 degrees (retrograde orbit)
Orbital eccentricity 0.0002
Albedo 0.6 to 0.8
visual magnitude (from Earth) 13.6


ALPHASTRO: Bringing The Universe To Your Desktop

Alphastro aims to present an up-to-date view of the Universe using specially written web pages and links to other Internet sites that are regularly updated. In addition to providing the latest facts, Alphastro is building up a search tool of Internet resources about astronomy and spaceflight.

  1. General Summary of news about astronomy and spaceflight plus miscellaneous items.
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