. The central premise of
, and the movies and series have depicted a large number of extrasolar planets. Most of the planets that have appeared onscreen are inhabited by humans; in the series this is explained as a result of selective Stargate placement by the
.
are only sent to inhabitable worlds. Some of the most important recurring planets include Abydos, the planet visited in the
.
As only a small proportion of the possible combinations of Stargate symbols represent valid addresses, dialing the Gate at random is largely futile. In , SG-1 discovers a cartouche on Abydos with a list of valid Stargate addresses, along with a map that allows the SGC to compensate for thousands of years of stellar drift. Another list of Stargate addresses is provided by Jack O'Neill in from knowledge downloaded into his mind by a Repository of the Ancients. In , a list of Stargate addresses in the Pegasus galaxy is found in the Atlantis database. The SGC assigns designations to Stargate-accessible planets in the form Pxx-xxx (Mxx-xxx is more common in the Pegasus galaxy). Samantha Carter explains in that the designation "is based on a binary code the computer uses for extrapolation".
| Planet
| SGC designation
| Stargate address
| Notes |
|
|
|
| An address for the Stargate on Klorel's ship, valid for as long as the ship orbits the given planet. Point of origin: |
|
|
|
| Planet that is a stronghold of Nirrti, where Kytano sends rebel Jaffa on a suicide mission. |
|
|
|
| Planet where Vala Mal Doran's father Jacek contacts the SGC to ask for sanctuary. |
|
|
|
| Homeworld of Apophis. |
|
|
|
| Homeworld of Martin Lloyd's race. |
|
|
|
| Planet where the NID stored their stolen alien technology. |
| Abydos
|
|
| Homeworld of the Abydonians. The first planet visited by humans of Earth via Stargate in modern times, who liberate it from Ra. Destroyed by Anubis using the six Eyes. |
| Adara II
|
|
| Location of Heimdall's secret laboratory. |
| Alaris
|
|
| Planet connected to the SGC in when Jack is golfing through the Stargate. |
| Altair
| P3X-989
|
| Homeworld of the Altairans. |
| Amra
|
|
| Homeworld of the Amrans. |
| Ardena
|
|
| New homeworld of the surviving Talthuns. |
| Argos
| P3X-8596
|
| Homeworld of the Argosians. |
| Aschen
| P4C-970
|
| Homeworld of the Aschen, locked out of the SGC's dialing computer at the end of and critical to the plot of its sequel |
| Bedrosia / Optrica
| P2X-416
|
| Homeworld of the Bedrosians and the Optricans. Point of origin: |
|
| BP6-3Q1
|
| Planet of the giant bugs that infest Teal'c. |
| Cal Mah
|
|
| Meaning "sanctuary", the planet where Kytano sets up a camp for rebel Jaffa. |
| Camelot
| PX1-767
|
| Planet where the Ancient Merlin lived for a time, home of King Arthur and his Knights fo the Round Table. |
| Cartego
| P3X-1279
|
| Homeworld of the Byrsa. |
| Castiana / Taoth Vaclarush
|
|
| One of three planets where Arthur and his knights searched for the Holy Grail. |
| Cerador
|
|
| Planet where Anubis attacked an outpost of Kali, destroying two motherships. |
| Chulak
|
|
| Jaffa stronghold and homeworld of Apophis. Becomes part of the Free Jaffa Nation until its conquest by the Ori. Point of origin: |
| Cimmeria
| P3X-974
|
| Homeworld of the Cimmerians, protected by Thor under the Protected Planets Treaty. It is guarded by a device called Thor's Hammer. |
| Cor'ak
|
|
| Planet where Teal'c, under Apophis, defeated Arkad and destroyed the entire population. |
| Dakara
|
|
| Holy planet to the Jaffa, where the first larval Goa'uld implantation took place. Also where the Ancients built a device that can create or destroy life in the Milky Way. Later becomes the capital of the Free Jaffa Nation, until it is devastated by the Ori. |
| Delmak
|
|
| Industrialized planet, homeworld of Sokar and later Apophis. It has a prison moon, Ne'tu, terraformed by Sokar to resemble hell. |
| Dar Eshkalon
|
|
| Planet where the progressive Free Jaffa meet to try to reform their government. |
| Earth
| None
|
| Homeworld of humans and location of Stargate Command. It was the capital of the Ancients after leaving their home galaxy millions of years ago. Also the original home of Atlantis, before being relocated to Lantea in Pegasus. Point of origin: |
| Edora
| P5C-768
|
| Homeworld of the Edorans, experiences periodic meteor showers called the "fire rain". |
| Entac
|
|
| Primitive planet that Martouf claims to Apophis is the location of the Tok'ra base. |
| Erebus
|
|
| Planet where Ha'tak ships are built by Jaffa prisoners of war. |
| Euronda
|
|
| Homeworld of the Eurondans and the "Breeders". The Eurondans poisoned the atmosphere in an effort to exterminate the Breeders. |
| Galar
|
|
| Homeworld of the Galarans, originally part of the Protected Planets Treaty. |
| Goronak
|
|
| Planet where a rebel Jaffa army marches against the Goa'uld Moloc. |
| Hadante
|
|
| Planet used by the Taldor as a prison, as it lacks a DHD. |
| Hak'tyl
|
|
| Meaning "liberation", homeworld of a group of female Jaffa led by Ishta. |
| Hanka
| P8X-987
|
| Planet whose inhabitants and an SG team are wiped out by Nirrti using a virus, except for Cassandra. |
| Hebridan
| P4X-131
|
| Homeworld of the Hebridans, an integrated human-Serrakin society. |
| Heliopolis
| PB2-908
|
| Planet once used as a meeting place by the alliance of four great races, where Ernest Littlefield was trapped for fifty years. |
| Jebanna
|
|
| Planet regularly raided by the Goa'uld for hosts. |
| Juna
| P3X-729
|
| Planet invaded by Cronus, who is defeated by SG-1 and their android counterparts. |
| K'Tau
| P39-865
|
| Planet protected by the Asgard Freyr, under the Protected Planets Treaty. SG-1 accidentally destabilizes its sun. |
| Kallana
|
|
| Jaffa planet collapsed by the Ori in their first attempt to built a Supergate in the Milky Way. |
| Katana
|
|
| Planet where Vala Mal Doran had an arrangement with some traders. |
| Kheb
| P9C-292
|
| Planet that the Jaffa believe to be the destination of their soul after death. Contains a temple occupied by the Ascended being Oma Desala. |
| Kresh'ta
|
|
| Planet where a meeting of 108 Jaffa rebel leaders are ambushed by the Goa'uld System Lords. |
|
| KS7-535
|
| Frozen planet where Samantha Carter sends Anubis (in Colonel Vaselov's body). |
| Land of Light
| P3X-797
|
| Tidally locked planet whose inhabitants are reunited by SG-1. |
| Langara
| P9Y-4C3
|
| Homeworld of the Langarans, divided into three rival nations. The only source of naqahdria in the galaxy. |
| Latona
| P2A-018
|
| Homeworld of the Latonans, defended by an ancient device called the Sentinel. |
|
| M4C-862
|
| Moon 42,000 light-years from Earth, home to tiny "light aliens" and the site of an SGC science base. |
| Madrona
|
|
| Homeworld of the Madronans. Its weather is controlled by a device called the Touchstone. |
| Marloon
|
|
| Martouf describes his mate Rosha's eyes as being the color of this planet's oceans. |
| Meronat
|
|
| Planet with two suns, once visited by Jasec and his daughter Vala Mal Doran. |
| Nassya
| P3X-382
|
| Homeworld of the Nassyans. |
| Oran
|
|
| Homeworld of the Oranians. |
| Orban
|
|
| Homeworld of the Orbanians. |
|
| P1-269
|
| Planet listed on the glass destination chart during the episode . |
|
| P2A-347
|
| Planet where a Talthun spaceship crashed. |
|
| P2A-870
|
| World the Stargate jumped to after disconnecting from the black hole planet (P3W-451). |
|
| P2R-866
|
| Planet whose inhabitants are threatened by animals infected with extradimensional parasites. |
|
| P2X-338
|
| Planet where Marduk was imprisoned. |
|
| P2X-555
|
| Intended destination of SG-1 in the episode "1969" |
|
| P3-110
|
| Planet listed on the glass destination chart during the episode . |
|
| P5-9950
|
| Planet listed on the glass destination chart during the episode . |
|
| P3-575
|
| Planet mentioned as a possible destination for SG-1's first mission, along with P3A-577. |
|
| P34-353J
|
| Location of a Tok'ra base. Point of origin: |
|
| P3A-577
|
| Planet mentioned as a possible destination for SG-1's first mission, along with P3-575. |
|
| P3R-233
|
| Planet where the quantum mirror is found. Point of origin: |
|
| P3R-272
|
| Planet where the first Ancient repository of knowledge is found. |
|
| P3S-114
|
| Planet controlled by Ba'al and ruled by Zarin, an undercover Tok'ra. |
|
| P3S-452
|
| Goa'uld planet where General Bauer sends an SG team to obtain naqahdah. |
|
| P3W-451
|
| Planet whose sun has collapsed into a black hole. |
|
| P3K-546
|
| Planet SG-1 travels to at the end of Stargate: The Ark of Truth |
|
| P3X-116
|
| Planet where Teal'c avenges Shau'nac by killing Tanith. |
|
| P3X-118
|
| Planet where the invasion originated from, locked out of the SGC's dialing computer at episode's end. |
|
| P3X-234
|
| Planet that SG-1 escaped to from the Replicator-infested Asgard mothership Beliskner. |
|
| P3X-421
|
| First planet visited by a Prior in the Milky Way. |
|
| P3X-439
|
| Planet where the second Ancient repository of knowledge is found. |
|
| P3X-513
|
| Planet with high ultraviolet radiation levels, where Captain Jonas Hanson of SG-9 sets himself up as a god.. |
|
| P3X-562
|
| Homeworld of Unity, sentient crystals that can mimic humans. Point of origin: |
|
| P3X-584
|
| Planet where SG-1 finds Khalek, an advanced human created by Anubis. |
|
| P3X-595
|
| Planet where Samantha Carter imbibed a mind-altering substance that greatly reduced her inhibitions. |
|
| P3X-774
|
| Homeworld of the Nox. |
|
| P3X-866
|
| Watery planet, home of the Oannes Nem. |
|
| P3X-888
|
| Homeworld of the Goa'uld and the Unas, subject of an archaeological survey by Dr. Daniel Jackson and SG-11. |
|
| P3X-984
|
| Location of the first Alpha Site, abandoned after Anubis learns of it. Location of the Beta Site in an alternate reality. |
|
| P3Y-229
|
| Planet collapsed by the Ori to power a Supergate, site of the first major Ori incursion into the Milky Way. |
|
| P4G-881
|
| Planet resembling primordial Earth, that the "orb aliens" are sent to. |
|
| P4M-399
|
| Small planet at the edge of the Milky Way, where SG-6 is sent to relay a warning to Daedalus to relay to Atlantis. |
|
| P4X-233
|
| Planet where an SG team found a Goa'uld ring platform. |
|
| P4X-639
|
| Planet where the Ancients built the time travel device that traps several planets in a time loop. |
|
| P4X-650
|
| Location of the third Alpha Site. |
|
| P4X-884
|
| Planet where SG-1 encounters Urgo, an alien artificial intelligence. |
|
| P5C-353
|
| Homeworld of the "orb aliens". |
|
| P5S-117
|
| One of Baal's principal naquadah mining sites, targeted for a test of the Avenger virus by the SGC. |
|
| P63-2031
|
| Planet with a large number of rebel Reetou. |
|
| P6X-437
|
| Planet where SG-3 encounters a Prior with a message for Earth. |
|
| P7S-441
|
| Planet where SG-1 encounters a member of the Reol. Point of origin: |
|
| P7X-377
|
| Homeworld of the "Giant Aliens". |
|
| P8X-412
|
| Planet where Qetesh had a naqahdah mine. Its inhabitants convert to Origin. |
|
| P9C-372
|
| Planet of origin for a sentient software program that infects the SGC. |
|
| P9G-844
|
| Homeworld of the Sodan, a legendary group of free Jaffa. |
|
| P9J-333
|
| Planet where extradimensional parasites drawn to the Sodan cloaking device are first encountered. |
|
| P9X-391
|
| Planet where SG-1 finds an Ancient device that allows people to see creatures of another dimension. |
| Pangar
|
|
| Homeworld of the Pangarans and where the Tok'ra queen Egeria was imprisoned. |
|
| PB5-926
|
| Planet where Apophis' death glider crashes. |
|
| PJ2-445
|
| Planet inhabited by humanoid aliens living in symbiosis with unusual native flora. |
| Praxyon
|
|
| The planet Ba'al used to change the timeline in Stargate: Continuum. SG-1 went there to restore it. |
| Proclarush Taonas
|
|
| Volcanic planet orbiting a red giant, where SG-1 recovers a ZPM from an Ancient outpost. |
|
| PX3-595
|
| Homeworld of the Tiernod. |
|
| PX9-757
|
| Planet where Apophis builds new prototype mothership. |
|
| PXY-887
|
| Planet inhabited by Native Americans who are protected from the Goa'uld by a race of aliens they call Spirits. |
|
| PY3-948
|
| Planet where the lesser Goa'uld, the Linvers, were killed by by one of Ma'chello's weapons. |
| Reetalia
|
|
| Homeworld of the Reetou. |
| Revanna
|
|
| Site of the main Tok'ra base after Vorash. It is attacked by Lord Zipacna under orders from Anubis. |
| Rolan
|
|
| Planet near which SG-1 destroys a Lucian Alliance kassa shipment. |
| Sahal / Valos Cor
|
|
| One of three planets where Arthur and his knights searched for the Holy Grail. |
| Sartorus
|
|
| Planet where a Prior levels a Jaffa city with an earthquake for rejecting Origin. |
| Selenis
|
|
| Planet where Qetesh attacked Ba'al's fleet, crippling his flagship and slaughtering 10,000 of his best Jaffa. |
| Serita
|
|
| Planet neighboring Tollan, whose inhabitants destroyed themselves using Tollan technology. |
| Serras-Dia
|
|
| Planet where Jacec and his daughter Vala Mal Doran once ran for their lives from the authorities. |
| Simarka
| P3X-593
|
| Homeworld of the Shavadai. |
| Tagrea
|
|
| Homeworld of the Tagreans. |
| Talthus
|
|
| Original homeworld of the Talthuns. |
| Tartarus
|
|
| Planet where Anubis creates the Kull Warriors. |
| Tegalus
|
|
| Planet with two rival nations, the Rand Protectorate and the Caledonian Federation. Inhabitants destroyed in a war after the Rand convert to Origin. |
| Tichenor
|
|
| Planet whose third moon is where Jacob/Selmak plans to meet Rak'nor and Teal'c. |
| Tok'ra Homeworld
|
|
| The base of the Tok'ra in Stargate: Continuum, where SG-1 attended the extraction of Ba'al. |
| Tollan
| P3X-7763
|
| Original homeworld of the Tollan, destabilized by the destruction of its neighboring planet Serita. |
| Tollana
| P4X-377
|
| New homeworld of the Tollan. Most exterior scenes of urban Tollana were shot on location at the mountaintop campus of Simon Fraser University in Vancouver, which has also appeared in several other science fiction shows. |
| Vagonbrei / Verus Gen Bree
|
|
| One of three planets where Arthur and his knights searched for the Holy Grail. The inhabitants were all killed by a parasite. |
| Valon
|
|
| Planet where Yu had a secret base, until its location was disclosed to Morrigan by his former lo'taur. |
| Velona
| P3X-636
|
| Homeworld of the extinct Velonans. Became the Ancient Orlin's prison after he helped the Velonans build a weapon. |
| Vis Uban
| P4T-3G6
|
| Meaning "place of great power", planet where the Ancients began building their greatest city when they were struck by a plague. Also where Daniel Jackson returns to human form. |
| Volia
| P3A-194
|
| Homeworld of the Volians, largely converted to farmland by the Aschen. |
| Vorash
|
|
| Site of the main Tok'ra base, until it is destroyed when the Tok'ra trigger a supernova in its sun. |
| Vyus
| P2Q-463
|
| Homeworld of the Vyans. |
takes place. In reality, there are two galaxies in the
. It has not been explicitly stated which of these is the galaxy in the
universe. However, in this discussion regarding the new
galaxies is "three million light-years," suggesting that the series takes place in the Pegasus Dwarf Irregular Galaxy.
| Planet
| SGC Designation
| Stargate Address
| Notes |
|
|
|
| Homeworld of the Genii. |
| Athos
|
|
| Homeworld of the Athosians, "scorched bare" by the Wraith in revenge for Athosian resistance. |
| Asuras
| M7R-227
|
| Homeworld of the Asurans, and rich in neutronium. It is destroyed along with the Replicators. |
| Ballkan
|
|
| Homeworld of the Ballkans. |
| Belsa
|
|
| Planet where some Satedan survivors went. |
| Dagan
|
|
| Homeworld of the Daganians. It was once an Ancient outpost, and contains a ZPM. |
| Edowin
|
|
| Planet rich in culture, where John Sheppard tricks two Wraith hive ships into destroying each other. |
| Hoff
|
|
| Homeworld of the Hoffans. |
| Jenev
|
|
| Planet whose inhabitants want nothing to do with the Atlantis Expedition. |
| Lantea
| ATL-984
|
| Planet where Atlantis is located for the first three Atlantis seasons. It is mostly covered by ocean with one large continent,, and periodically experiences immense hurricanes and dangerous coronal mass ejections from its star. Atlantis abandons the planet due to an Asuran attack. |
| Manaria
|
|
| Homeworld of the Manarians. |
| New Athos
|
|
| New home of the Athosians after the Ancients briefly return to Atlantis. |
|
| M12-578
|
| Originally planned new home for Atlantis, as the closest uninhabited planet to Lantea with a large ocean. Atlantis' destination is changed to M35-117 after Elizabeth Weir is captured by the Asurans. |
|
| M1B-129
|
| Planet where there is a Wraith device that causes hallucinations. |
|
| M1K-439
|
| "Planet Waterfall", as Lt. Ford suggested naming it. |
|
| M1M-316
|
| Planet scouted as a potential Atlantis Alpha Site, rejected because of Tyrannosaurus-like native animals. |
|
| M2R-441
|
| Planet where the Wraith "Todd" makes contact with Atlantis. |
|
| M2S-445
|
| Planet where Michael planned to bring Teyla. The Atlantis team arrives first and accidentally triggers a booby trap. |
|
| M34-227
|
| Planet where the Asuran clones of Elizabeth Weir and her team make contact with the real Atlantis Expedition. |
|
| M35-117
|
| The new home of Atlantis after being forced to abandon Lantea. It has five moons and a mainland. |
|
| M3A-716
|
| Planet near the Gate Bridge. |
|
| M3B-242
|
| Planet near the Gate Bridge. |
|
| M3D-293
|
| Planet near the Gate Bridge. |
|
| M3E-265
|
| Planet near the Gate Bridge. |
|
| M3R-428
|
| Planet with an unused orbital Stargate, taken for use in the Gate Bridge. |
|
| M3X-387
|
| Homeworld of the living crystals that can kill through violent dreams. |
|
| M44-5YN
|
| Planet undergoing global warming, where the Atlantis team is temporarily trapped by flooding. |
|
| M4F-788
|
| Uninhabited planet at the edge of the Pegasus galaxy whose Stargate is part of the Gate Bridge, used by the Wraith to gain access to Midway Station. |
|
| M4H-212
|
| Planet scouted as a potential Atlantis Alpha Site, rejected because of the presence of Genii spies. |
|
| M4X-337
|
| Barren planet where an energy creature is sent. |
|
| M5S-224
|
| Homeworld of the "mist beings". |
|
| M5S-768
|
| Planet whose population is wiped out by the Asurans to deny the Wraith their food supply. |
|
| M6H-491
|
| Planet where Lucius Lavin obtained his herb; also a Wraith stronghold. |
|
| M6R-214
|
| Planet where the Wraith destroyed Asuran ships. |
|
| M6R-125
|
| Planet near the Gate Bridge. |
|
| M6R-867
|
| Ruined planet used by the Genii to set a trap for the Atlantis team. |
|
| M7G-677
|
| Planet inhabited by children, protected by an Ancient EM field. |
|
| M85-393
|
| Planet scouted as a potential Atlantis Atlantis, rejected because of intense daytime temperatures. |
|
| M8R-169
|
| Planet with an ice-covered ocean. |
| Olesia
|
|
| Homeworld of the Olesians. |
|
| P3M-736
|
| Planet with high levels of ultraviolet radiation, where Ronon Dex captures Sheppard and Teyla Emmagan. |
| Proculus
|
|
| Planet protected by the Ascended Ancient Chaya Sar. |
| Sarif Sur
|
|
| Ruined planet where Ronon and Tyre conducted a mission together. |
| Sateda
| P3R-534
|
| Homeworld of the Satedans, devastated by the Wraith. Working name: Atteria. |
| Talus
|
|
| Planet once inhabited by the Ancients, with a "shrine" that removes the symptoms of the "second childhood" for one day. The Atlantis team takes Rodney McKay there, braving a major Wraith outpost in the process. |
| Taranis
|
|
| Homeworld of the Taranians, rendered uninhabitable by a supervolcano eruption in . |