Satellite (galaxy or cluster?)
Tucana III
A faint satellite: whether it is a galaxy or a star cluster is not yet settled.
Measured
- Distance
- about 74,722 light-years
How far, from the Sun
About 74,700 light-years. To cross it:
- Light74,700 years
- Voyager 1's speed1.33 billion years
- Driving at 100 km/h806 billion years
Voyager 1 at the speed it moved outward over the year to 2026-10-25 (JPL Horizons). Driving: nonstop, never refuelling.
Facts
- About 75,000 light-years away.
- Shines like about 280 Suns.
Where this comes from
- Milky Way satellites: the Local Volume Database (Pace 2025, OJAp 8, 142; github.com/apace7/local_volume_database), CC0, and the papers it cites.
Every catalogue Ouranos draws is credited on the credits page.