Andromeda
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Possible satellite of Andromeda

Andromeda XVIII

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Andromeda XVIII may go round Andromeda, about 1.5 million light-years from its centre.

Measured

Distance
about 3.9 million light-years

How far, from the Sun

About 3.9 million light-years. To cross it:

  • Light3.9 million years
  • Voyager 1's speed69.3 billion years
  • Driving at 100 km/h42.1 trillion years

Voyager 1 at the speed it moved outward over the year to 2026-10-25 (JPL Horizons). Driving: nonstop, never refuelling.

Facts

  • Shines like about 410,000 Suns.
  • Placed at its measured distance.

Where this comes from

  • McConnachie et al. 2018, ApJ 868, 55, Table 3 (CDS J/ApJ/868/55)

Every catalogue Ouranos draws is credited on the credits page.