Celestial Objects

Alnilam

Stars

Citation Formats

General Reference

Space and Astronomy Atlas. "Alnilam." Accessed September 2, 2026. https://space.interactiveatlas.org/celestial-objects/alnilam.

APA Style

Space and Astronomy Atlas. (n.d.). Alnilam. Retrieved September 2, 2026, from https://space.interactiveatlas.org/celestial-objects/alnilam

BibTeX

@misc{spaceandastronomyatlas-alnilam,
  author = {Space and Astronomy Atlas},
  title = {Alnilam},
  year = {2026},
  url = {https://space.interactiveatlas.org/celestial-objects/alnilam},
  note = {Accessed September 2, 2026}
}

Alnilam is the central star of Orion's Belt in the constellation Orion, carrying the Bayer designation Epsilon Orionis. It is a massive blue supergiant star roughly 1,250 light-years away, estimated to shine some 270,000 times as luminous as the Sun and to carry about 28 times the Sun's mass.

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