Thalassa

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Thalassa
Thalassa-neptunezip.jpg
Thalassa from neptune.zip in Orbiter 2002
Designation
Name Thalassa
Reference body Neptune
Planetary mean orbits
Epoch 1989.6466
Semimajor axis (a) 50110000 m
Eccentricity (e) 0.0002
Inclination (i) 0.2062648062°
(0.0036 radian)
Longitude of the ascending node (LAN, ☊) 90.17782738°
(1.5739 radian)
Longitude of periapsis (ϖ) 46.47260676°
(0.8111 radian)
Mean longitude (L) 240.0635866°
(4.1899 radian)
Selected physical parameters
Mean radius 40200 m
Mass 2.461×1016 kg
SidRotPeriod 26870.4 (7.464 hours)
SidRotOffset 0
Obliquity 0.5146
LAN 3.8594
Note *Elements given are from Thalassa.cfg (neptune.zip)

Thalassa (Neptune IV, S/1989 N 5) is second-innermost known moons of Neptune. It was discovered Voyager 2 in September 1989. It is named after the daughter of Aether and Hermera of Greek mythology.

Thalassa in Orbiter

Thalassa was first introduced into Orbiter with the add-on neptune.zip in November 2002.

Orbiter versions and add-ons which include Stephano
Add-on Source Version Author Type Release Date Compatibility Wiki article
Neptune AVSIM Rolf Keibel Scenery 7 November 2002
:
Neptune's natural satellites

edit

Named satellites:

Despina | Galatea | Halimede | Hippocamp | Laomedeia | Larissa | Naiad | Nereid | Neso | Proteus | Psamathe | Sao | Thalassa | Triton

Numbered Satellites:

S/2021 N 1

See also: Pronunciation key | rings of Neptune
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