In planetary classification, Class T is used to categorize some types of gas giants.
In 2376, the Delta Flyer came in contact with a dark matter life form and was disabled. Captain Kathryn Janeway suggested they try to travel to a nearby class T gas giant with orbital rings, including one that was radiogenic, to use those particles to reinitialize the Flyer 's warp reaction. (VOY: "Good Shepherd")
| Planetary classification |
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| B • D • G • H • J • K • L • M • N • R • T • Y • Other classes |
Appendices
Background
According to the Star Trek Star Charts, a class T planet is a gas giant. It is classified as a "large ultragiant" 50,000 to 120,000 kilometers in diameter, with an age of 2 to 10 billion years.