Larissa
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| Larissa | |
|---|---|
| |
| Designation | |
| Name | Larissa |
| Reference body | Neptune |
| Planetary mean orbits | |
| Epoch | 2005.41409993155 |
| Semimajor axis (a) | 73591215.6864093 m |
| Eccentricity (e) | 0.000970528178008128 |
| Inclination (i) | 28.45897877° (0.49670288121624 radian) |
| Longitude of the ascending node (LAN, ☊) | 48.37249182° (0.844259249577557 radian) |
| Longitude of periapsis (ϖ) | 255.689642° (4.46262611581896 radian) |
| Mean longitude (L) | 490.9762032° (8.5691512941164 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 (outerplanets-050125.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 |
|---|---|---|---|---|---|---|---|
| The Outer Planets 050125 | AVSIM | 050125 | Rolf Keibel Tony Dunn |
Scenery | 26 January 2005 | Orbiter 2005-P1 | |
| Neptune Minor Moons | O-F Resources | 2004-12-14 | Nighthawke | Scenery | 14 December 2004 | ||
| Neptune | AVSIM | Rolf Keibel | Scenery | 7 November 2002 | |||
Larissa from neptune.zip in Orbiter 2002 
Larissa from NeptuneMoons.zip in Orbiter 2003P2 
Larissa from outerplanets-050125.zip in Orbiter 2005P1 
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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