Planets, Stars, and Other Celestial Objects (Fictional and Non-Fictional) Part I (A)

  1. Aargau is a core world and is the headquarters of the Bank of Aargau, which is owned by the Confederacy of Independent Systems' ally, the InterGalactic Banking Clan. Aargau is located in the Zug System. Star Wars
  2. Abregado-rae is a planet in the Abregado system. Its main port and administrative capital is Abregado-Rae. Rebel groups are known to use the hills of this planet for cover. Talon Karrde is also a known supplier and smuggler for these groups. Star Wars
  3. Abregado system System containing the planet Abregado-rae. Star Wars.
  4. Acamar III Home planet of the Acamarian race. The Vengeance Factor [TNG]
  5. Acamar System Star System containing planet Acamar III. The Vengeance Factor [TNG]
  6. Adari home to the Adari race, is a planet covered in snow-capped volcanic mountains. Star Wars
  7. Adega was once a Jedi stronghold and a source of Adegan crystals, used in Jedi lightsabers. Star Wars
  8. Adelphous IV Planet destination of Enterprise-D following encounter with Romulan Warbird Devoras. Data's Day [TNG]
  9. Aduba III or Aduba-3, is a planet in the Aduba system. It has three million inhabitants and a small shipyard. Star Wars
  10. Adumar located near the edge of Wild Space, is a planet that was settled 10,000 years BBY (Before the Battle of Yavin) by a separatist group that was defeated by the Republic and banished. They were re-discovered eight years after the Battle of Endor by the New Republic. The world contains natural resources vital in the construction of proton torpedoes. Star Wars
  11. Af'El is the homeworld to the Defel. It is a high-gravity planet with no ozone layer and orbits the ultraviolet supergiant Ka'Dedus. Because of the lack of ozone, ultraviolet light passes freely to the surface, while other light wavelengths are blocked by the heavy gases in the planet's atmosphere. Thus, all lifeforms on Af'El can only see in ultraviolet light ranges, and are blind to other wavelengths of light. Star Wars
  12. Ahnooie-4 where spaceman Spiff (Calvin) decides to put a repulsive blob out of its misery. Calvin and Hobbes
  13. Aiur jungle planet in Starcraft the computer game.
  14. Alawanir Nebula Nebula investigated by the Enterprise-D in 2369. Rightful Heir [TNG]
  15. Aldea Legendary planet whose people excelled in intellectual and artistic pursuits. When the Bough Breaks [TNG]
  16. Aldebaran III Homeworld to Janet Wallace and her husband. The Deadly Years [TOS]
  17. Aldebaron Planet where Dr. Elizabeth Dehner joined the Enterprise crew in 2265 Where No Man Has Gone Before [TOS]
  18. Alderaan seen in Episodes III and IV, is the home of Princess Leia Organa, Bail Organa and also, in 4000 BBY, Ulic Qel-Droma, who fought in The Great Sith War. Its name is actually an archaic and disused Astronomical name (Alderaan (real)). It was known for its peaceful and nature-conscious citizens and vibrant, melodic culture. It was tragically destroyed by the Death Star in 0 BBY. The planet is similar to Chandrila and Naboo, and also resembles Earth. Alderaan is also the homeworld of the Nerf and the Thranta. Star Wars
  19. Alfa 117 Class M planet where upon beaming Kirk was divided into two beings, one evil and one good. The Enemy Within [TOS]
  20. Algol is the home of the Algolian Suntiger, the tooth of which is one of the ingredients of the Pan Galactic Gargle Blaster. Before being placed into the Total Perspective Vortex, Zaphod Beeblebrox wished for Algolian Claret, an alcoholic drink presumably created by the humanoid species inhabiting the planet. Despite Zaphod's apparent affinity for this drink, Algolian cuisine is equally noted for its unpleasantness. The Algolian Zylatburger is one such case. As related by Ford Prefect, "They're a kind of meatburger made from the most unpleasant parts of a creature well-known for its total lack of any pleasant parts." The Hitchhiker's Guide to the Galaxy. Outside of Douglas Adams' imagination, Algol is the eclipsing variable star Persei Beta.
  21. Allosimanius Syneca is a planet noted for ice, snow, mind-hurtling beauty and stunning cold. The view from the top of the Ice Crystal Pyramids of Sastanua is widely known for its ability to release the observer's mind to hitherto unexperienced horizons of beauty. The Hitchhiker's Guide to the Galaxy.
  22. Almas is a terraformed planet in the Cularin System. Its moon Dorumaa is also a terraformed satellite. Star Wars
  23. Alpha Carinae II Class-M planet used in the M-5 test. The Ultimate Computer [TOS]
  24. Alpha Carinae V Planet of the Drella creature that derived sustenance from emotions. Wolf in the Fold [TOS]
  25. Alpha Centauri Closest star to Earth's solar system, home to Zefram Cochrane, inventor of the warp drive. Metamorphosis [TOS]; A solar system mentioned in Homo Sol by Isaac Asimov on whose fifth planet the Humanoids of Sol have landed. Also in The Hitchhiker's Guide to the Galaxy by Douglas Adams is home to both small furry creatures and a local planning department office of the Galactic Hyperspace Planning Council.
  26. Alpha Cepheus A Planet mentioned in Homo Sol by Isaac Asimov. Home of Hybron Prat.
  27. Alpha Cygnus IX Planet where Federation Ambassador Sarek arranged a major treaty. Sarek [TNG]
  28. Alpha III Planet where a historic individual rights document was established. Star Trek Court Martial [TOS]
  29. Alpha Majoris I Planet origin of the Mellitus, a creature with many forms. Star Trek Wolf in the Fold [TOS]
  30. Alpha Moon Moon orbiting planet Peliar Zel, at odds with its sister moon, Beta. Star Trek The Host [TNG]
  31. Alpha Omicron System Star system where a life-form was found living in the vacuum of space. Star Trek Galaxy's Child [TNG]
  32. Alpha Onias III Planet where Riker was abducted by a little boy who wanted a friend to play with. Star Trek Future Imperfect [TNG]
  33. Alpha Proxima II Planet where several women were brutally murdered. Star Trek Wolf in the Fold [TOS]
  34. Alpha V Planet with colony where Charles Evans' nearest living relatives lived. Star Trek Charlie X [TOS]
  35. Altair III Planet where William Riker refused to allow Captain Desoto to beam to the surface. Star Trek Encounter at Farpoint [TNG]
  36. Altair VI Planet visited by the Enterprise in 2267 for an important presidential inauguration ceremony; Altair VI was also part of the Kobayashi Maru simulation. Star Trek Amok Time & Star Trek II: The Wrath of Khan [TOS]
  37. Altec Planet; along with Straleb, part of the Coalition of Madena. Star Trek The Outrageous Okona [TNG]
  38. Alzarius is Adric's homeworld, located in E-Space. It appeared in the serial Full Circle. Doctor Who
  39. Alzoc III is the homeworld of the Talz. Muftak and Foul Moudama are two examples of Talz that come from Alzoc III. In the demo version of Star Wars: Jedi Knight II: Jedi Outcast, Kyle Katarn must infiltrate an Imperial outpost on Alzoc III to find out what the Remnant are planning. Star Wars
  40. Amargosa Diaspora Dense globular star cluster Enterprise-D investigated in 2369. Star Trek Schisms [TNG]
  41. Ammuud is a planet governed by seven feudal clans that lies under the umbrella of the Corporate Sector Authority. Star Wars
  42. Ampliquen One of only a few planets in the Meridian Sector with an independent civilization, Ampliquen is often attacked by pirate groups. Star Wars
  43. Anarres A moon of the planet Urras in the story The Dispossessed by Ursula K. Le Guin. Since Anarres is massive enough to hold an atmosphere, this is often described as a double planet system.
  44. Andevian II Planet with at least four moons. Star Trek The Forsaken [DS9]
  45. Ando Located in the Mid Rim, Ando is home to the aquatic Aqualish. Ando is an ocean world orbited by two moons. Ninety-five percent of the surface is covered in water, and what little land remains is complemented by Aqualish sailing ships used as mobile homes. Once the Aqualish discovered space travel, they explored Ando's sister world, though a series of inter-species wars left it decimated and barren. Star Wars
  46. Ando Prime is an icy, mountainous planet that hosts many Pod Races. It is featured in the game Star Wars: Episode I Racer, and in Attack of the Clones it can be seen briefly on a view screen in the nightclub. The inhabitants of Ando Prime have a culture that is similar to that of Tibet. In the game Star Wars Episode 1 Racer, Ando Prime is home to the Beedo's Wild Ride, Howler Gorge, Andobi Mountain Run and Ando Prime Centrum Podraces. Star Wars
  47. Andromeda Galaxy Closest galaxy to the Milky Way Galaxy, home to the Kelvans, expected to become uninhabitable in ten millenia due to increased radiation levels. Star Trek By Any Other Name [TOS]
  48. Androzani Major and Androzani Minor are a pair of planets and are the setting of the serial The Caves of Androzani. Doctor Who
  49. Androzani Minor and Androzani Major are a pair of planets and are the setting of the serial The Caves of Androzani. Doctor Who
  50. Angel One Planet whose matriarchial government treated males as second-class citizens. Star Trek Angel One [TNG]
  51. Anoat is a planet that lies in the Anoat system. The star system lies between the Hoth and Bespin systems. The Millennium Falcon passed through the relatively deserted system while escaping from the Empire. Toxic waste infected Anoat and the terraformed planet Deyer, forcing the populations to move offworld. In the game Star Wars: Dark Forces, Kyle Katarn is sent to Anoat to investigate a lead in the Dark Trooper project. Star Wars
  52. Anoat system System containing the planet Anoat. Star Wars.
  53. Antar 4 is the fourth of six moons orbiting the gas giant Antar and is home to the Gotal race. It has wild seasons and strange phases of light and dark caused by the parent planet eclipsing the sun. Star Wars
  54. Anteevy is a frigid ice world home to an Imperial construction facility. It was home to the production of second-stage Dark Troopers before Kyle Katarn infiltrated the base and destroyed it in the game Star Wars: Dark Forces. Star Wars
  55. Anaxes A Core World, Anaxes, located in the Axum system, was known as the Defender of the Core when it was ruled by the Old Republic and later the Empire. On the planet was the famous Anaxes Citadel. The system was controlled by Grand Admiral Osvald Teshik, who also commanded the Imperial Oversector (Sector 0). Star Wars
  56. Aquilaris A watery planet filled with sunken cities. Only floating city islands are found above sea level, something like Mon Calamari. Podraces here include the Aquilaris Classic, Sunken City and Bumpy's Breakers. Star Wars
  57. Arabanth is a Hapan world that holds pride in a series of "thought puzzles," one of which is seen during the Hapan gift ceremony on Coruscant. Star Wars
  58. Aramand is a plains-covered planet populated by tribal aliens called Janians. Janians are blue humanoids with antennae. Star Wars
  59. Arbra is a small tropical planet that served as a Rebel base after the Battle of Hoth. The Rebels called it "Salvation", since they where lucky to have found it. Sentients called hoojibs live there. Star Wars
  60. Arcturas II A Planet mentioned in Homo Sol by Isaac Asimov
  61. Arcturian System A Solar System mentioned in Homo Sol by Isaac Asimov.
  62. Argabuthon is a technologically advanced planet whose perspex Sceptre of Justice turned out to be part of the key to the Wikkit Gate. The Hitchhiker's Guide to the Galaxy
  63. Ark A planet in The Noon Universe novels by Strugatsky brothers
  64. Arkanar A planet in The Noon Universe novels by Strugatsky brothers. Although the planet was never officially named, this is the name commonly used by Russian fans.
  65. Arkintoofle Minor The Hingefreel people built spaceships powered by bad news but were never welcomed at their destinations. The Hitchhiker's Guide to the Galaxy.
  66. Armaghast A prison planet in Hyperion Cantos by Dan Simmons.
  67. Artifactovol From the great shipbuilding asteroid complexes Artifactovol came the majestic and luxurious cruise-liner Starship Titanic. The ship was one of the first large experiments in Improbability Physics, with the intent being to make it Infinitely Improbable that anything would ever go wrong with any part of the ship. The shipbuilders were unaware that, due to the nature of Improbability calculations, that which is Infinitely Improbable is actually very likely to happen almost immediately. Before it could transmit its first radio message - an SOS - the ship underwent a Spontaneous Massive Existence Failure (SMEF). The Hitchhiker's Guide to the Galaxy
  68. Athos A fictional planet in the novel Ethan of Athos by Lois McMaster Bujold. A fictional planet in the TV series Stargate Atlantis Athos (Stargate)
  69. Athshea A planet mentioned in the novel The Word for World is Forest by Ursula K. Le Guin. In the novel, colonists from Earth take over a planet that the locals call Athshea, which means forest, rather than dirt, like their home planet.
  70. Ator A core world, Ator is the homeworld of Cliegg Lars. Star Wars
  71. Axum is a temperate world located in the Axum system. In the millennium preceding the Battle of Yavin, Axum was the headquarters of the Azure Imperium, which was eventually absorbed by Coruscant's sphere of influence. Star Wars
  72. Axum system System containing the planets Anaxes and Axum. Star Wars.
  73. Axxila A planet of the Outer Rim, Axxila has been described as Coruscant, only "inside-out". Imperial Admiral Firmus Piett was from Axxila. Star Wars
  74. Azbrian is an agricultural world, dotted with farms that raise black-and-white eight-legged beasts. One such farm is owned by Condren Foreck, a potential suitor to Lando Calrissian. Star Wars
Author Comments: 

I still have a lot to add from the Star Wars universe, the Star Trek universe as well as many other fictional universes.

This is a work in progress that will take awhile and it is safe to say that this will never be a complete list.

References:

The Star Trek Encyclopedia: A Reference Guide to the Future by Michael Okuda, Denise Okuda, Debbie Mirek
The Essential Guide to Alien Species (Star Wars) by Ann Margaret Lewis, R. K. Post
The Essential Guide to Planets and Moons (Star Wars) by Daniel Wallace, Brandon McKinney, Scott Kolins
Wikipedia: The Free Encyclopedia