Laomedeia
Moon of Neptune
From Wikipedia, the free encyclopedia
Laomedeia /ˌleɪəməˈdiːə/, also known as Neptune XII, is a prograde irregular satellite of Neptune. It was discovered by Matthew J. Holman, et al. on August 13, 2002.[6] Before the announcement of its name on February 3, 2007 (IAUC 8802), it was known as S/2002 N 3.
Laomedeia imaged by the Very Large Telescope's FORS1 imager in September 2002 | |
| Discovery[1][2] | |
|---|---|
| Discovered by | |
| Discovery date | August 13, 2002 |
| Designations | |
Designation | Neptune XII |
| Pronunciation | /ˌleɪəməˈdiːə/ |
Named after | Λαομέδεια Lāomedeia |
| S/2002 N 3 | |
| Adjectives | Laomedeian[3] |
| Orbital characteristics[4] | |
| Epoch 2003 Jun. 10.00 TT | |
| 23,613,000 km | |
| Eccentricity | 0.3969 |
| 3171.33 days (8.68 yr) | |
| Inclination | 37.874° |
| Satellite of | Neptune |
| Group | Sao group |
| Physical characteristics | |
| 42 km (for albedo 0.04)[5] | |
| Albedo | 0.04 (assumed)[5] |
It orbits Neptune at a distance of about 23,571,000 km and is about 42 kilometers in diameter (assuming albedo of 0.04).[5] It is named after Laomedeia, one of the 50 Nereids.
