Planets, United or Otherwise

Alternate(s)

Time Period(s)

Imsk	Homeworld of Shrinking Violet.Threatened to leave United Planets unless given the right to extend private space zone another two lightyears from Imsk. (Superboy & the LSH 232)Imsk orbits the star Irulan. (Superboy & the LSH 234)
Inanor	A planet where all normally inanimate objects...buildings, and machines...are alive and intelligent. Its human creators perished centuries earlier. Site of the living city Mechago. (Superboy 117)
Indenplat	A L.E.G.I.O.N. client world.
Inshar	World of giant flowers. Seeds are hoarded by the inhabitants. (Adventure 309)
Ith'kaa	Pastoral planet, a vacation world known to Captain Comet.
JS-1967	Site of the Legion's climactic battle with Mordru. The planetoid JS-1967 is undoubtedly named for Jim Shooter, the legendary LSH writer who created Mordru, and 1967, the year Mordru first appeared.
Jupiter	Jovian Camelephants are easily stampeded. (Adventure 327) On Jupiter, rainbows between the moons are considered unlucky. (Adventure 343) Given the fact that Jupiter's surface is uninhabitable, there are two possibilities: 1. This actually refers to one of Jupiter's major moons, from which the other moons would visible in the sky under certain circumstances, 2. This refers to some sort of artificial settlements floating in the upper atmosphere of Jupiter. Due to the astronomical situation pictured, I favor #2. The two-trunked Jovian Mastodon is one of the galaxy's fiercest beasts. (Adventure 358)
Kaffar	On Kaffar, windows are considered unlucky. Most houses are built with periscopes instead. (Adventure 343)
Kar Zagas	An obscure, out-of-the-way planetoid. Current population: 227 cutthroats, thieves, and villains. (Superboy 215)
Karak	A wild, lonely planet upon which Star Boy killed Kenz Nuhor in self-defense. (Adventure 342)
Kathoon	Homeworld of Night Girl.Kathoon: called the Midnight World by its early colonists, Kathoon's star is perpetually hidden from its surface, Reflected light keeps the world from the true blackness of Khundia, as well as from being too cold for human life... - Encyclopedia Galactica, 2987 editionWhen you dwell in the darkness, how easy it is to see true beauty. -Anonymous Kathoon proverb
Kavoon	A house pet from Kavoon is a traditional wedding gift. (Adventure 337)
Khann	Inhabited only by the criminal outcasts of hundreds of worlds. (Adventure 325)
Khundia	A dark world, permanently eclipsed by its moon. Homeworld of the Khund race.
Kimbi-5	Home planet of mass murderer & cannibal Fangkor Wat.
Kirinyaga	Homeworld of Mwindaji.
Kit-Son	Homeworld of Invisible Kid (Jacques Focccart) (millennium). Kit-Son exists in a different part of the visual spectrum than the other United Planets. Inhabitants are invisible to others. The planet's name is an homage to longtime Legion and L.E.G.I.O.N. artist Barry Kitson,
Klorra	A planet once inhaited by giants, who were wiped out years ago by a terrible plague. (Superboy 214)
Kol	Agrarian world under U.P. quarantine. Inhabited by a primitve culture based on religious worship of a deity named Kol. Evidence suggests that the origin of Kol lay in remnants of a Terran-crafted colonization transport vehicle from the late 24th century.
Korbal	Home world of lightning beasts; the planet where the Ranzz siblings gained their powers.
Korr	World of deadly smog. Sky City is built upon a tall pedastal to escape the smog layer. (Adventure 309) Upscale clothing boutique Chadwick's is one of the highlights of the planet.
Krallak	Inhabited by a reptilian race. When Krallak's moon exploded, Superboy and Ultra Boy cleared away all the moon-debris before it could rain destruction on Krallak. (Adventure 327)
Krypton	Destroyed homeworld of Superman, Supergirl, and the Kryptonian race.
Labyrinth	Prison planet that succeeded Takron-Galtos.
Lahum	Civilized planet on which the Legion once helped with a rebellion against the tyrant Peralla. The capital city is Huevas. (Action 390)
Lallor	Home of the Heroes of Lallor. (Adventure 324)
Lanum	A civilized world outside the United Planets, site of a proxy conflict between the United Planets and the Dark Circle. (Action 389)
Legion World	An artificial planetoid constructed by Brande Industries, which served as the Earth-247 Legion's headquarters folloiwing the group's re-formation after the Rift Disaster.
Lexor	A planet that idolizes Lex Luthor
Lightning World	A world or perpetual lightning, which served as a resting place for Lightning Lad's body and was the site of his return to life. (Adventure 312)
Lisner	Homeworld of Legionnaire Gear
Lorcus Prime	Homeworld of Singularity
Lortia	Homeworld of villain Nytoro Borin
Lost World	Wandering planet, former home of a great scientific civilization (long extinct). (Adventure 314)
LSV Planet	Home base and training facility for the Legion of Super-Villains.
Lumbak	Planet where Phantom Girl infiltrated the impenetrable headquarters of evildoers. (Adventure 301)
Luna	Earth's inhabited moon.One of the primary cities on Luna is New Cathay. (All-New Collector's Edition C-55)
Lurna	Famed theoughout the universe for the great variety of fantastic creatures that inhabit it, including Kryptonian flame-beasts. (Adventure 302)
Luxuris	A luxury world that specializes in expensive vacations. Well-heeled visitors may rent a luxury island.
Lycidas	Gas giant home of the Lycidian Hegemony. The capital city Thisbe, floats high in the cloudbanks of the upper atmosphere.
Lythl	The only inhabited planet of the G-Wares system, colonized seventy-three years ago under the United Planets Freedom of Behavior Act in Council...currently under quarantine for casual visitors, and all immigrants must sign waivers fo responsibility, but rumored paradise continues to attract the warped and foolish... (U.P. Data Bank)
M-17W	A manufacturing center located in the galactic core, noted primarily for the quality of the fusion powerspheres it exports. Automated factories function in an atmosphereless and low-g envionment for greater efficiency. (Legion of Super-Heroes 2)
Maarna	A L.E.G.I.O.N. client world.
Maltus	Maltus is home to an ancient, nearly forgotten civilization that gave birth to the race that eventually became the Guardians of the Universe over 10 billion years ago. Maltus is known to be an extremely overpopulated planet which serves as home to a poverty-stricken humanoid race.
Manna-5	An agricultural planet which supplies food for billions. (Superboy 195)
Manna-8	An outer world in an agricultural system, believed uninhabited and largely unexplored to date. -Rachey's Guide to the United Planets' Worlds, 2989 edition
Mardu	Homeworld of Chlorophyll Kid.
Mars	An important, well-settled world in the 30th century. Because of low gravity, buildings on Mars can tower to five miles high. (Adventure 372) Domed cities near the polar icecaps are threatened by glaciers. (Adventure 378)
Marzal	Homeworld of Tyroc. Marzal usually exists in a different dimension, but shifts into our universe periodically.
Medtoria	A remote planet whose inhabitants are devout followers of The World Belief System.