Trojan planet — A Trojan planet is a planet orbiting in the Lagrangian point of a star and a massive orbiting body, a gas giant or potentially a smaller companion star.No Trojan planets are currently known to exist, so their existence is purely theoretical.… … Wikipedia
Trojan asteroids — Two groups of asteroids named for heroes of Greece and Troy in Homer s Iliad. These objects revolve around the Sun at the Lagrangian points (see Joseph Louis Lagrange) in Jupiter s orbit. Achilles, the first, was discovered in 1906. About 650 are … Universalium
Neptune trojan — Types of Distant Minor Planets Cis Neptunian objects Centaurs Neptune trojans Trans Neptunian objects (TNOs)‡ Kuiper belt objects … Wikipedia
List of Firefly planets and moons — Serenity over Whitefall This is a list of fictional planets and moons from the Firefly / Serenity fiction. Characters in the story refer colloquially to these planets as worlds . During the short television run of the Firefly series, it was not… … Wikipedia
Groups of minor planets — An asteroid group or minor planet group is a population of minor planets that have a share broadly similar orbits. Members are generally unrelated to each other, unlike in an asteroid family, which often results from the break up of a single… … Wikipedia
List of Mars-crossing minor planets — A Mars crosser is an asteroid whose orbit crosses that of Mars. The known numbered Mars crossers are listed here. They include the two numbered Mars trojans 5261 Eureka and (101429) 1998 VF31. Many databases, for instance the Jet Propulsion… … Wikipedia
Jupiter trojan — The Jupiter trojans, commonly called simply trojans or trojan asteroids, are a large group of objects that share the orbit of the planet Jupiter around the Sun. Relative to a coordinate system that is fixed on Jupiter, each Trojan orbits one or… … Wikipedia
Methods of detecting extrasolar planets — Any planet is an extremely faint light source compared to its parent star. In addition to the intrinsic difficulty of detecting such a faint light source, the light from the parent star causes a glare that washes it out. For those reasons, only a … Wikipedia
List of Mars trojan asteroids — The L5 group (shown in green) of Asteroids on the orbit of Mars (Mars is shown in red). The L4 group is the light blue region also on Mars orbit. The Mars trojans are a group of objects that share the orbit of the planet Mars around the … Wikipedia
Discoveries of extrasolar planets — See also: List of extrasolar planet firsts Number of extrasolar planet discoveries per year as of 10 July 2011, with colors indicating method of detection … Wikipedia
