Larissa
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| Larissa | |
|---|---|
| |
| Designation | |
| Name | Larissa |
| Reference body | Neptune |
| Planetary mean orbits | |
| Epoch | 1989.6466 |
| Semimajor axis (a) | 73510000 m |
| Eccentricity (e) | 0.0014 |
| Inclination (i) | 0.0802140913° (0.0014 radian) |
| Longitude of the ascending node (LAN, ☊) | 10.32469947° (0.1802 radian) |
| Longitude of periapsis (ϖ) | 150.2467226° (2.6223 radian) |
| Mean longitude (L) | 185.1570411° (3.2316 radian) |
| Selected physical parameters | |
| Mean radius | 99960 m |
| Mass | 8.563×1016 kg |
| SidRotPeriod | 47952 (13.32 hours) |
| SidRotOffset | 0 |
| Obliquity | 0.5146 |
| LAN | 3.8594 |
| Note | *Elements given are from Larissa.cfg (neptune.zip) |
Larissa (Neptune VII, S/1989 N 1) is one of the inner moons of Neptune. It was discovered by Harold J Reitsema et al in September 1989. It is named after a lover of Poseidon of Greek mythology.
Larissa in Orbiter
Larissa was first introduced into Orbiter with the add-on neptune.zip in November 2002.
| Add-on | Source | Version | Author | Type | Release Date | Compatibility | Wiki article |
|---|---|---|---|---|---|---|---|
| Neptune | AVSIM | Rolf Keibel | Scenery | 7 November 2002 | |||
Larissa from neptune.zip in Orbiter 2002 
Larissa as seen by Voyager 2 in 1989,
from Wikimedia Commons
:
| Neptune's natural satellites |
|---|
| Named satellites:
Despina | Galatea | Halimede | Hippocamp | Laomedeia | Larissa | Naiad | Nereid | Neso | Proteus | Psamathe | Sao | Thalassa | Triton Numbered Satellites: |
| See also: Pronunciation key | rings of Neptune |
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