- For other uses, see Helios.
Helios was a star system located in Hayre Expanse, somewhere in the space of the galaxy's Alpha or Beta Quadrants. (ST video game: Legacy)
History and specifics
Helios' system consists of four planets, the fourth of which is Platonius. (FASA RPG module: The Federation)
Platonius' star is an orange star located in Quadrant 3 in the general vicinity of Triskelion, the Talos star group and Argelius. (TOS reference: Star Trek Maps)
History
In 2268, the USS Enterprise visited the system in response to a distress call. (TOS episode: "Plato's Stepchildren")
Appendices
Connections
| Hayre Expanse | ||||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Command Post 823 • Corarg • H-28365 • H-54786 • Hayre Beta • Helios system (Platonius) • Shipyard 452 | 
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| Alpha and Beta Quadrant stars and star systems (H) | ||||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Hadas • Hadley 557 • Hagmi • Halat • Halee • Halkor • Hamal • Hamalz • Hamui • Hanab • Hann • Hanoli • Hansu • Hariak • Harlequin • Harod • Harrakis • Harrapa • Hayashi • Hazion • Heartland system • Hegh'ta • Heitius • Hekiak • Helios system • Heliul • Helvetios • Hemok • Henax • Heniez • Herel • Herias • Hertex • Hessen • Hesuz • Hexem • Hexes • Hezior • Hiemdal/Hiemdal system • Hikax • Himalias • Hirats • Hires • Hoffman • Holiul • Holly • Horatius • Hor-cha • Horok • Hrakkour • Huebr • Hydra • Hydra Daco • Hypatia • Hytar Nuofo |
| |||||||||||||||||||||||||||||||||||||||||||||
| Alpha Quadrant stars and systems (H) | Hagal • Hajj • Hakton • Heathercrist • Hokule'a • Hupyria • Huranzi | 
| ||||||||||||||||||||||||||||||||||||||||||||
| Beta Quadrant stars and systems (H) | Haakona • Hadar • H'atoria • Hellaro Corva • Hobus • Hybera • Hydra Epsilon • Hydra Geminorum | 
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