2008 LC18
Neptune trojan / From Wikipedia, the free encyclopedia
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2008 LC18 is a Neptune trojan first observed on 7 June 2008 by American astronomers Scott Sheppard and Chad Trujillo using the Subaru telescope at Mauna Kea Observatories on Hawaii, United States.[6] It was the first object found in Neptune's trailing L5 Lagrangian point and measures approximately 100 kilometers in diameter.[5]
Quick Facts Discovery, Discovered by ...
Discovery[1][2] | |
---|---|
Discovered by | |
Discovery site | Mauna Kea Obs. |
Discovery date | 7 June 2008 |
Designations | |
2008 LC18 | |
Orbital characteristics[1] | |
Epoch 4 September 2017 (JD 2458000.5) | |
Uncertainty parameter 5 | |
Observation arc | 4.12 yr (1,506 days) |
Aphelion | 32.445 AU |
Perihelion | 27.667 AU |
30.056 AU | |
Eccentricity | 0.0795 |
164.78 yr (60,186 days) | |
185.24° | |
0° 0m 21.6s / day | |
Inclination | 27.496° |
88.493° | |
6.7420° | |
Physical characteristics | |
Dimensions | |
23.2[5][6] | |
8.2[1] | |
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