Mass Effect™ Legendary Edition – Planet Exploration

 
 

Argos Rho

 
Gorgon System 
(Unlocked as part of UNC: Depot Sigma-23) 
Scannable from Normandy 

• Nothing

 
Assignments on Unidentified Space Facility 

• UNC: Depot Sigma-23

 
Hydra System 
Scannable from Normandy 

• UNC: Turian Insignias 
• UNC: Valuable Minerals, 1x Gas

 
Assignments on Metgos 
 

• 1R Initial -> Escape pod (UNC: Distress Call) 
• 2R Initial -> Crashed probe (salvage requires medium Electronics.) 
• 3R Initial -> Turian wreckage and corpse (UNC: Turian Insignias) 
   
• 1Y Thorium -> Rare 
• 2Y Mercury -> Heavy

 
 
Phoenix System 
Scannable from Normandy 

• UNC: Prothean Data Discs 
• UNC: Valuable Minerals, 1x Light Metal, 1x Rare Element

 
Assignments on Tuntau 
 

• 1R Initial -> Pirate base (Wrex: Family Armor) 
• 2R Initial -> Crashed probe (salvage requires Master Electronics.) 
• 3R Initial -> Asari capsule and corpse and pyramid (UNC: Asari Writings) 
   
• 1Y Lithium -> Light 
• 2Y Mercury -> Heavy

 
 
 

Armstrong Nebula

 
Gagarin System 
Scannable from Normandy 

• UNC: Asari Writings 
• UNC: Valuable Minerals, 1x Light Metal

 
Assignments on Rayingri 
 

• 1R Initial -> Overrun research outpost (UNC: Geth Incursions). 
• 2R Initial -> Crashed probe (salvage requires medium Electronics.) 
• 3R Discovery -> Scavenger corpses 
• 4R Discovery -> Abandoned camp (salvage unlocked crate.) 
• 5R Initial -> Crashed escape pod (UNC: Locate Signs of Battle) 
• 6R Unmarked -> The song associated with the rachni can also be heard in this general area. 
   
• 1Y Titanium -> Light 
• 2Y Polonium -> Rare 
• 3Y Thorium -> Rare

 
Grissom System(Unlocked as part of UNC: Geth Incursions) 
Scannable from Normandy 

• UNC: Locate Signs of Battle, Medallion 
• UNC: Valuable Minerals, 1x Light Metal, 1x Rare Element

 
Assignments on Solcrum 
 

• 1R Initial -> Geth Headquarters (UNC: Geth Incursions) 
• 2R Initial -> Asari capsule (UNC: Asari Writings) 
• 3R Initial -> Crashed probe (salvage requires medium Electronics.) 
   
• 1Y Thorium -> Rare 
• 2Y Uranium -> Rare 
• 3Y Magnesium -> Light

 
 
Hong System 
Scannable from Normandy 

• UNC: Asari Writings 
• UNC: Valuable Minerals, 1x Light Metal

 
Assignments on Casbin 
 

• 1R Initial -> Geth outpost (UNC: Geth Incursions) 
• 2R Initial -> Geth encampment. Guarded by 3 Geth Heavy Turrets. 
• 3R Initial -> Crashed probe (can be salvaged with any Electronics skill.) 
• 4R Initial -> Beacon (UNC: Locate Signs of Battle) 
   
• 1Y Gold -> Heavy 
• 2Y Uranium -> Rare 
• 3Y Samarium -> Rare

 
 
Tereshkova System 
Scannable from Normandy 

• UNC: Locate Signs of Battle, Medallion 
• UNC: Valuable Minerals, 2x Heavy Metals

 
Assignments on Antibaar 
 

• 1R Initial -> Geth outpost (UNC: Geth Incursions) 
• 2R Initial -> Crashed probe (at least medium Electronics required for salvage.) 
• 3R Initial -> Prothean ruins (UNC: Prothean Data Discs) 
• 4R Discovery -> Wreck, corpses, and Thresher Maw 
   
• 1Y Magnesium -> Light 
• 2Y Mercury -> Heavy 
• 3Y Lithium -> Light

 
 
Vamshi System 
Scannable from Normandy 

• UNC: Turian Insignias

 
Assignments on Maji 
 

• 1R Initial -> Geth outpost (UNC: Geth Incursions) 
• 2R Initial -> Crashed probe (requires moderate or high Electronics to salvage). 
• 3R Initial -> Ancient debris (UNC: Turian Insignias) 
• 4R Discovery -> Odd Skull 
• 5R Unmarked -> Five Geth Heavy Turrets are dotted along the road leading to the outpost 
   
• 1Y Magnesium -> Light 
• 2Y Beryllium -> Light 
• 3Y Thorium -> Rare

 
 
 

Artemis Tau

 
Athens System 
Scannable from Normandy 

• UNC: Turian Insignias 
• UNC: Valuable Minerals, 2x Gas

 
No landable objects in system. 
 
Knossos System 
Scannable from Normandy 

• UNC: Locate Signs of Battle, Medallion 
• UNC: Valuable Minerals, 1x Gas, 1x Heavy Metal

 
Missions on Therum 

• Therum is a mission world.

 
Macedon System 
Scannable from Normandy 

• UNC: Asari Writings 
• UNC: Valuable Minerals, 1x Gas, 1x Light Metal

 
Assignments on Sharjila 
 

• 1R Initial -> Stronghold (UNC: Asari Diplomacy) 
• 2R Initial -> Crashed probe (salvage Average Electronics) 
• 3R Initial -> Abandoned camp and asari capsule (UNC: Asari Writings) and crate up the hill to the north (salvage). South-east of the camp, there is an abandoned tent. 
• 4R Unmarked -> The “song” associated with rachni can be heard here. 
   
• 1Y Thorium -> Rare 
• 2Y Uranium -> Rare 
• 3Y Magnesium -> Light

 
 
Sparta System 
Scannable from Normandy 

• UNC: Prothean Data Discs 
• UNC: Valuable Minerals, 1x Gas, 1x Rare Elements

 
Assignments on Edolus 
 

• 1R Initial -> Missing marines and Thresher Maw (UNC: Missing Marines) 
• 2R Initial -> Mummified salarian (UNC: Locate Signs of Battle) 
• 3R Initial -> Crashed probe (salvage) — master electronics required 
• 4R Unmarked -> Burning M29 Grizzly 
   
• 1Y Polonium -> Rare 
• 2Y Palladium -> Heavy 
• 3Y Lithium -> Light

 
 
 

Attican Beta

 
Hercules System 
Scannable from Normandy 

• UNC: Locate Signs of Battle, Medallion 
• UNC: Valuable Minerals, 1x Heavy Metal

 
Assignments on Eletania 
 

• 1R Initial -> Downed recon probe (UNC: Lost Module) 
  The song associated with the rachni can be heard in this general area. 
• 2R Initial -> Debris (salvage) 
• 3R Initial -> Prothean ruin (vision) 
• 4R Discovery -> Mineshaft with Space Monkeys (UNC: Lost Module) 
• 5R Discovery -> Space Monkey colonies 
   
• 1Y Palladium -> Heavy 
• 2Y Gold -> Heavy

 
 
Theseus System 
Scannable from Normandy 

• UNC: Prothean Data Discs 
• UNC: Valuable Minerals, 1x Light Metal

 
Missions on Feros 

• Feros is a mission world

 
 
 

Exodus Cluster

 
Asgard System 
Scannable from Normandy 

• Nothing

 
Missions on Asteroid X57 

• This is a mission world.

 
Utopia System 
Scannable from Normandy 

• Nothing

 
Missions on Eden Prime 

• This is a mission world, and can only be visited at the beginning of the game.

 
 
 

Gemini Sigma

 
Han System 
(Unlocked as part of UNC: Hostile Takeover) 
Scannable from Normandy 

• UNC: Asari Writings 
• UNC: Valuable Minerals, 1x Light Metal

 
Assignments on Mavigon 
 

• 1R Initial -> Syndicate hideout (UNC: Hostile Takeover). Contains three Alliance Heavy Turrets. 
• 2R Initial -> Engine debris (salvage, requires medium Electronics.) 
• 3R Unmarked -> Mummified salarian (box) (UNC: Locate Signs of Battle) 
• 4R Unmarked -> Abandoned camp (salvage unlocked crate and hardened crate (hard Decryption).) 
   
• 1Y Gold -> Heavy 
• 2Y Cobalt -> Light

 
 
Ming System 
Scannable from Normandy 

• UNC: Locate Signs of Battle, Medallion 
• UNC: Valuable Minerals, 1x Light Metal

 
Assignments on the MSV Worthington 

• UNC: Lost Freighter

 
 
 

Hades Gamma

 
Antaeus System 
Scannable from Normandy 

• UNC: Asari Writings 
• UNC: Valuable Minerals, 1x Gas, 1x Rare Element

Assignments on Trebin 
 

• 1R Initial -> Survey camp (UNC: Missing Survey Team) 
• 2R Initial -> Crashed probe and Scavengers (salvage: Master Electronics Required) 
• 3R Initial -> Transmitter tower and unsalvageable probes 
• 4R Initial -> Turian wreckage (UNC: Turian Insignias) 
• 5R Unmarked -> Thresher Maw 
• 6R Discovery -> Mine entrance (UNC: Missing Survey Team) 
• 7R Unmarked -> The “song” associated with rachni can be heard here. 
   
• 1Y Uranium -> Rare 
• 2Y Plutonium -> Rare

 
 
Cacus System 
(Unlocked as part of UNC: Besieged Base) 
Scannable from Normandy 

• UNC: Valuable Minerals, 1x Heavy Metal, 1x Rare Element

 
Assignments on Chohe 
 

• 1R Initial -> Underground complex (UNC: Besieged Base) 
• 2R Initial -> Crashed probe (salvage) 
• 3R Initial -> Abandoned camp (UNC: Asari Writings ×3 and salvage) 
• 4R Discovery -> Crashed satellite, salvager corpse and mercenaries 
• 5R Unmarked -> Thresher Maw 
•  
• 1Y Plutonium -> Rare 
• 2Y Mercury -> Heavy

 
 
Dis System 
(Unlocked as part of UNC: Hostile Takeover) 
Scannable from Normandy 

• UNC: Turian Insignias 
• UNC: Valuable Minerals, 2x Light Metals

 
Assignments on Klensal 
 

• 1 Initial -> Syndicate hideout (UNC: Hostile Takeover) 
• 2 Initial -> Crashed escape pod (not salvageable) 
• 3 Initial -> Mummified salarian (UNC: Locate Signs of Battle) 
• 4 Initial -> Crashed probe (salvageable: Hard Electronics) 
   
• 1 Platinum -> Heavy 
• 2 Beryllium -> Light

 
 
Farinata System 
Scannable from Normandy 

• UNC: Prothean Data Discs 
• UNC: Valuable Minerals, 1x Light Metal, 1x Rare Element

 
Assignments on MSV Ontario 

• UNC: Hostage

 
Plutus System 
(Unlocked as part of UNC: The Negotiation) 
Scannable from Normandy 

• UNC: Valuable Minerals, 2x Rare Elements

 
Assignments on Nonuel 
 

• 1R Initial -> Warlord’s outpost (UNC: The Negotiation) 
• 2R Initial -> Crashed probe (salvage: High Electronics) 
• 3R Initial -> Mercenary outpost (UNC: Asari Writings, UNC: Locate Signs of Battle, salvage) 
• 4R Unmarked -> Thresher Maw 
• 5R Unmarked -> Thresher Maw 
   
• 1Y Titanium -> Light 
• 2Y Samarium -> Rare

 
 
 

Hawking Eta

 
Century System 
Scannable from Normandy 

• UNC: Locate Signs of Battle, Medallion 
• UNC: Valuable Minerals, 1x Light Metal, 1x Heavy Metal

 
Assignments on Presrop 
 

• 1R Initial -> Biotic commune’s compound (UNC: Major Kyle) 
• 2R Initial -> Crashed Probe (salvage) 
• 3R Discovery -> Wrecked Mining Vehicle (not salvageable) 
• 4R Initial -> Ancient debris (UNC: Turian Insignias) 
• 5R Discovery -> Abandoned camp (salvage) 
• 6R Unmarked -> Thresher Maw 
• 7R Unmarked -> Mercenaries 
   
• 1Y Gold -> Heavy 
• 2Y Uranium -> Rare

 
 
 

Horse Head Nebula Cluster

 
Fortuna System 
Unlocked as part of UNC: Hostile Takeover. 
Scannable from Normandy 

• UNC: Turian Insignias 
• UNC: Valuable Minerals, 1x Rare Element

 
Assignments on Amaranthine 
 

• 1 Initial -> Engineering outpost (UNC: Hostile Takeover) 
• 2 Initial -> Turian Wreckage (UNC: Turian Insignias) 
• 3 Initial -> Crashed Probe (requires average Electronics to salvage.) 
   
• 1 Iridium -> Heavy 
• 2 Uranium -> Rare 
• 3 Thorium -> Rare

 
 
Pax System 
Scannable from Normandy 

• UNC: Asari Writings

 
Missions on Noveria 

• Noveria is a mission world.

 
Strenuus System 
(Unlocked as part of UNC: Privateers.) 
Scannable from Normandy 

• UNC: Locate Signs of Battle, Medallion 
• UNC: Valuable Minerals, 1x Gas

 
Assignments on Xawin 
 

• 1R Initial -> Privateer base (UNC: Privateers). Guarded by 4 Alliance Heavy Turrets. 
• 2R Initial -> Geth beacon (ambush by 4 Geth Armatures) 
• 3R Initial -> Turian wreckage (UNC: Turian Insignias) 
• 4R Initial -> Abandoned camp (reveals minerals’ locations.) 
• 5R Anomaly -> Corpse and Destroyed Vehicle 
• 6R Initial -> Debris (salvage – requires Hard Electronics) 
• 7R Unmarked -> Thresher Maw 
• 8R Unmarked -> The song associated with the rachni can be heard here. 
   
• 1Y Palladium -> Heavy 
• 2Y Cobalt -> Light 
• 3Y Iridium -> Heavy

 
 
 

Kepler Verge

 
Herschel System 
Unlocked upon receiving Garrus: Find Dr. Saleon 
Scannable from Normandy 

• UNC: Valuable Minerals, 1x Heavy Metal

 
Assignments on the MSV Fedele 

• Garrus: Find Dr. Saleon

 
Newton System 
Scannable from Normandy 

• UNC: Asari Writings 
• UNC: Valuable Minerals, 1x Gas

 
Assignments on Ontarom 
 

• 1 Initial -> Underground science facility (UNC: Dead Scientists) 
• 2 Initial -> Crashed probe (salvage) 
• 3 Initial -> Turian corpse and wreckage and Space Beetles (UNC: Turian Insignias) 
• 4 Unmarked -> Space Cow herd (including a Shifty Looking Cow) 
   
• 1 Gold -> Heavy 
• 2 Palladium -> Heavy

 
 
 

Local Cluster

 
Sol System 
Scannable from Normandy 

• Nothing

 
Assignments on Luna 
 

• 1R Initial -> Training ground with three dual turrets (UNC: Rogue VI) 
• 2R Initial -> CCCP Luna 23 (salvage requires average Electronics.) 
• 3R Unmarked -> Four Alliance Heavy Turrets (they don’t shut down after the assignment is completed. 
• 4R Unmarked -> Four Alliance Heavy Turrets (they don’t shut down after the assignment is completed. 
• 5R Unmarked -> The song associated with the rachni can be heard here.

 
 
 

Maroon Sea

 
Caspian System 
Scannable from Normandy 

• UNC: Turian Insignias 
• UNC: Valuable Minerals, 2x Heavy Metal

 
Assignments on MSV Cornucopia 

• UNC: Derelict Freighter

 
Matano System 
Scannable from Normandy 

• UNC: Prothean Data Discs 
• UNC: Valuable Minerals, 1x Light Metal, 1x Heavy Metal

 
Assignments on Chasca 
 

• 1R Initial -> Civilian building (UNC: Colony of the Dead) 
• 2R Initial -> Civilian building (UNC: Colony of the Dead) 
• 3R Initial -> Science facility (UNC: Colony of the Dead) 
• 4R Initial -> Probe (salvage) 
• 5R Initial -> Prothean pyramid and dig site (UNC: Prothean Data Discs) (salvage) 
• 6R Unmarked -> Space Cow herd 
   
• 1Y Plutonium -> Rare 
• 2Y Palladium -> Heavy 
• 3Y Beryllium -> Light

 
 
Vostok System 
Scannable from Normandy 

• UNC: Asari Writings 
• UNC: Valuable Minerals, 1x Heavy Metal

 
Assignments on Nodacrux 
 

• 1R Initial -> ExoGeni facility (UNC: ExoGeni Facility) 
• 2R Initial -> Crashed probe (salvage) 
• 3R Initial -> Ancient wreckage (UNC: Turian Insignias) 
• 4R Unmarked -> Crashed ship and Thorian Creepers 
• 5R Unmarked -> Abandoned camp and Thorian Creepers (salvage). The “song” commonly associated with the rachni can be heard here. 
• 6R Unmarked -> Space Cow herd 
   
• 1Y Gold -> Heavy 
• 2Y Cobalt -> Light

 
 
 

Pangea Expanse

 
Refuge System 
Unlocked shortly after finding Dr. Liara T’Soni and completing the missions on Feros, Noveria, and Virmire. 
Scannable from Normandy 

• Nothing

Missions on Ilos 

• Ilos is a mission world.

 
 
 

Sentry Omega

 
Hoc System 
Unlocked when council gives coordinates for Virmire 
Scannable from Normandy 

• Nothing

Missions on Virmire 

• Virmire is a mission world.

 
 
 

Serpent Nebula

 
Widow System 
Scannable from Normandy 

• Nothing

 
This is the home of the Citadel. 
 
 
 
 

Styx Theta

 
Acheron System 
Scannable from Normandy 

• UNC: Turian Insignias 
• UNC: Valuable Minerals, 1x Light Metal

 
Assignments on Altahe 
 

• 1R Initial -> Listening Post (UNC: Listening Post Theta) 
• 2R Discovery -> Anomaly (UNC: Asari Writings). The “song” commonly associated with the rachni can be heard near the wreckage. 
• 3R Discovery -> Crashed Pod (salvage) 
• 4R Unmarked -> Rachni colony 
   
• 1Y Samarium -> Rare 
• 2Y Gold -> Heavy

 
 
Erebus System 
Scannable from Normandy 

• UNC: Prothean Data Discs 
• UNC: Valuable Minerals, 1x Heavy Metal

 
Assignments on Nepmos 
 

• 1 Initial -> Listening post (UNC: Listening Post Alpha) 
• 2 Discovery -> Rachni infested mine (UNC: Listening Post Alpha) (Not accessible before receiving coordinates from Lt. Durand) 
• 3 Initial -> Crashed Probe (salvage) 
• 4 Initial -> Mining camp (salvage). The “song” commonly associated with the rachni can be heard here. 
• 5 Initial -> Safebox (UNC: Locate Signs of Battle) 
• 6 Unmarked -> Rachni colony 
• 7 Unmarked -> Rachni colony 
   
• 1 Uranium -> Rare 
• 2 Palladium -> Heavy 
• 3 Titanium -> Light

 
 
 

Voyager Cluster

 
Amazon System 
Scannable from Normandy 

• UNC: Turian Insignias 
• UNC: Valuable Minerals, 1x Gas, 1x Rare Element

 
Assignments on Agebinium 
 

• 1R Initial -> Mine entrance (UNC: Espionage Probe) 
• 2R Discovery -> Mine exit to mercenary camp and Mako (UNC: Espionage Probe) 
• 3R Initial -> Crashed probe (salvage) 
• 4R Initial -> Scavenger corpse – human male (UNC: Turian Insignias) 
• 5R Discovery -> Charred corpse 
   
• 1Y Beryllium -> Light 
• 2Y Magnesium -> Light 
• 3Y Samarium -> Rare

 
 
Columbia System 
Unlocked as part of UNC: Hades’ Dogs. 
Scannable from Normandy 

• UNC: Locate Signs of Battle, Medallion 
• UNC: Valuable Minerals, 1x Rare Element

 
Assignments on Nepheron 
 

• 1R Initial -> Underground facility (UNC: Hades’ Dogs) 
• 2R Initial -> Crashed probe (salvage – requires Advanced Electronics) 
• 3R Initial -> Mummified salarian (UNC: Locate Signs of Battle) 
• 4R Unmarked -> Shack (salvage) 
• 5R Unmarked -> Thresher Maw 
   
• 1Y Thorium -> Rare 
• 2Y Platinum -> Heavy 
• 3Y Beryllium -> Light

 
 
Yangtze System 
Unlocked as part of UNC: Cerberus. 
Scannable from Normandy 

• UNC: Prothean Data Discs 
• UNC: Valuable Minerals, 1x Light Metal, 1x Rare Element

 
Assignments on Binthu 
 

• 1R Initial -> Research facility (UNC: Cerberus). Guarded by 2 Turrets. 
• 2R Initial -> Research facility (UNC: Cerberus). Guarded by 2 Turrets. 
• 3R Initial -> Crashed probe (salvage) 
• 4R Initial -> Prothean pyramid (UNC: Prothean Data Discs) 
• 5R Initial -> Research facility (UNC: Cerberus). Guarded by 2 Turrets. 
   
• 1Y Palladium -> Heavy 
• 2Y Uranium -> Rare

 
 

This is all about Mass Effect™ Legendary Edition – Planet Exploration; I hope you enjoy reading the Guide! If you feel like we should add more information or we forget/mistake, please let us know via commenting below, and thanks! See you soon!