Mass Effect 2 Anomaly Planets

Serpent and Eagle Nebulae

• The Boltzmann system has the Serpent Nebula's single anomaly planet -- Bekenstein. This planet relates to Kasumi's loyalty quest "Mission: Kasumi: Stealing Memory." This system can only be unlocked by completing the DLC mission "Mission: Dossier: The Master Thief." The Eagle Nebula has a single anomaly planet -- Neith, in the Amun system. This planet is related to the side quest "Assignment: N7: Wrecked Merchant Freighter."

Omega and Hourglass Nebulae

• The Omega Nebula has two anomaly planets -- Alchera in the Amada system and Lorek in the Fathar system. Alchera relates to the side quest "Assignment: Normandy Crash Site̶1; and requires the Normandy Crash Site DLC. Lorek relates to the side quest "Assignment: N7: Lost Operative." The Hourglass Nebula has two anomaly planets -- Darator in the Faryor system and Zanethu in the Ploitari system. Darator is related to the side quest "Assignment: N7: Eclipse Smuggling Depot," while Zanethu is related to the side quest "Assignment: MSV Estevanico."

Titan Nebula and Skrike Abyssal

• The Titan Nebula's lone system Hoskins hosts its only planet, Capek. Capek relates to the side quest "Assignment: N7: Hahne-Kedar Facility." This system can only be unlocked after completing the side quest "Assignment: N7: Abandoned Research Station." The Skrike Abyssal cluster has a single anomaly planet -- Zada Ban, in the Xe Cha system. This planet relates to the side quest "Assignment: N7: Blood Pack Base" and can be unlocked by completing the side quest "Assignment: N7: Blood Pack Communications Relay" or by purchasing a star chart at Baria Frontiers on the planet Ilium.

Crescent Nebula

• The Crescent Nebula hosts two anomaly planets -- Helyme in the Zelene system, and Tarith in the Lusarn system. Zelene relates to the side quest "Assignment: N7: Captured Mining Facility," while Tarith relates to the side quest "Assignment: N7: Blood Pack Communications Relay." This cluster and all related systems and planets are only unlocked by completing the "Mission: Horizon" quest.

Rosetta Nebula

• The Rosetta Nebula hosts two anomaly planets -- Joab in the Enoch system and Aeia in the Alpha Draconis system. Joab relates to the side quest "Assignment: N7: Archeological Dig Site," while Aeia is the setting for Jacob's loyalty quest, "Mission: Jacob: The Gift of Greatness." This cluster and all related planets are unlocked by accepting Jacob's loyalty quest.

Minos Wasteland and Pylos Nebula

• The Minos Wasteland has a single anomaly planet -- Aequitas in the Fortis system. It relates to the side quest "Assignment: N7: Abandoned Mine." The Minos Wasteland is unlocked by purchasing a star chart at Baria Frontiers on Ilium. The Pylos Nebula has a single anomaly planet -- Canalus in the Dirada system. Canalus relates to the side quest "Assignment: N7: Anomalous Weather Detected" and is unlocked by purchasing a star chart from Baria Frontiers on Ilium.

Hades Nexus

• The Hades Nexus cluster has two anomaly planets -- Gei Hinnom in the Sheol system, and Kopis in the Hoplos system. Gei Hinnom relates to the side quest "Assignment: N7: Quarian Crash Site," while Kopis relates to the side quest "Assignment: Project Firewalker: Prothean Ruins." The cluster is unlocked by purchasing a star chart at Baria Frontiers on Ilium or by completing the side quest "Assignment: Project Firewalker: Volcano Station."

Caleston Rift

• There are a total of three anomaly planets in the Caleston Rift -- Taitus in the Talava system, Sinmara in the Solveig system and Karumto in the Yakawa system. Taitus relates to the side quest "Assignment: N7: Mining the Canyon," while Sinmara relates to the side quest "Assignment: N7: Endangered Research Station." The planet Karumto relates to the side quest "Assignment: Project Firewalker: Volcano Station." The Caleston Rift cluster is unlocked by completing the quest "Mission: Collector Ship" or side quest "Assignment: Project Firewalker: Rosalie Lost."

Hawking Eta and Phoenix Massing

• The Hawking Eta cluster has only a single anomaly planet -- Corang in the Verr system. This planet relates to the side quest "Assignment: Project Firewalker: Survey Sites Located" and is unlocked by the completion of the side quest "Assignment: Project Firewalker: Rosalie Lost." The Phoenix Massing cluster has a single anomaly planet -- Lattesh in the Chomos system. Lattesh relates to the side quest "Assignment: Project Firewalker: Geth Activity" and is unlocked by completing the side quest "Assignment: Project Firewalker: Rosalie Lost."

Sigurd's Cradle and Ismar Frontier

• The Sigurd's Cradle cluster contains two anomaly planets -- Franklin in the Skepsis system, and Sanctum in the Decoris system. The planet Franklin relates to the side quest "Assignment: N7: Javelin Missiles Launched," while Sanctum relates to the side quest "Assignment: N7: Blue Suns Base." The cluster is unlocked by completing the side quest "Assignment: N7: MSV Strontium Mule." The Ismar Frontier cluster has a single anomaly planet -- Zeona, in the Elysta system. It relates to the side quest "Assignment: Project Firewalker: Rosalie Lost" and is unlocked by downloading the Firewalker Mission Pack DLC.