Larissa

Neptune VII

Larissa Facts

• Larissa is the fifth of Neptune's known satellites:
  • distance from Neptune: 73,600 km
  • diameter: 193 km (208 x 178)
  a.k.a. 1989 N 2, 1981 N 1

• Pronounced "LA ree suh"

• Larissa was the mother by Poseidon (Neptune) of Pelasgus.

• Larissa was "officially" discovered in 1989 by Voyager 2 though it was observed in 1981 by Dave Tholen and colleagues using the stellar occultation method.

• Like Proteus, Larissa is irregular (non-spherical) in shape and appears to be heavily cratered.

Pictures

1. (above) Larissa 2k gif
2. shaded relief map 80k gif

More about Larissa

• from LANL

Open Issues

• We know next to nothing about Larissa.