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TRAPPIST-1 b

extrasolar planet
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Summary

TRAPPIST-1 b is an exoplanet[1].

Key Facts

  • Constellation: Aquarius[2]
  • Parent astronomical body: TRAPPIST-1[3]
  • Catalog code: K2-112b[4], TRAPPIST-1b[5], TOI-6838.01[6], TOI-6838b[7], K2-112b[8], EPIC 246199087b[9], TIC 278892590b[10]
  • Time of discovery or invention: May 2, 2016[11], May 2016[12]
  • Discovery method: transit method[13]
  • Orbital eccentricity: {'amount': '+0.00622'}[14]
  • Orbital inclination: 89.728 degree[15]
  • Mass: 1.374 Earth mass[16]
  • Temperature: 400.1 K[17]
  • Radius: 1.116 Earth radius[18]
  • Orbital period: 1.510826 day[19]
  • Parallax: 80.4512 milliarcsecond[20]
  • Semi-major axis of an orbit: 0.01154 astronomical unit[21]
  • Argument of periapsis: 336.86 degree[22]

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [2] ↑ . wikidata.org.
  2. [3] ↑ . Temperate Earth-sized planets transiting a nearby ultracool dwarf star. wikidata.org.
  3. [4] ↑ . SIMBAD. wikidata.org.
  4. [5] ↑ . SIMBAD. wikidata.org.
  5. [6] ↑ . Exoplanet Archive. wikidata.org.
  6. [7] ↑ . Exoplanet Archive. wikidata.org.
  7. [8] ↑ . Exoplanet Archive. wikidata.org.
  8. [9] ↑ . Exoplanet Archive. wikidata.org.
  9. [10] ↑ . Exoplanet Archive. wikidata.org.
  10. [11] ↑ . wikidata.org.
  11. [12] ↑ . Temperate Earth-sized planets transiting a nearby ultracool dwarf star. wikidata.org.
  12. [13] ↑ . Temperate Earth-sized planets transiting a nearby ultracool dwarf star. wikidata.org.
  13. [14] ↑ . The nature of the TRAPPIST-1 exoplanets. wikidata.org.
  14. [15] ↑ . Refining the Transit-timing and Photometric Analysis of TRAPPIST-1: Masses, Radii, Densities, Dynamics, and Ephemerides. wikidata.org.
  15. [16] ↑ . Refining the Transit-timing and Photometric Analysis of TRAPPIST-1: Masses, Radii, Densities, Dynamics, and Ephemerides. wikidata.org.
  16. [17] ↑ . Extrasolar Planets Encyclopaedia. wikidata.org.
  17. [18] ↑ . Refining the Transit-timing and Photometric Analysis of TRAPPIST-1: Masses, Radii, Densities, Dynamics, and Ephemerides. wikidata.org.
  18. [19] ↑ . Refining the Transit-timing and Photometric Analysis of TRAPPIST-1: Masses, Radii, Densities, Dynamics, and Ephemerides. wikidata.org.
  19. [20] ↑ . Gaia Data Release 2. wikidata.org.
  20. [21] ↑ . Refining the Transit-timing and Photometric Analysis of TRAPPIST-1: Masses, Radii, Densities, Dynamics, and Ephemerides. wikidata.org.
  21. [22] ↑ . The nature of the TRAPPIST-1 exoplanets. wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

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Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA 4ort.xyz Knowledge Graph. (2026). TRAPPIST-1 b. Retrieved October 30, 2026, from https://4ort.xyz/entity/trappist-1-b
MLA “TRAPPIST-1 b.” 4ort.xyz Knowledge Graph, 4ort.xyz, 30 Oct. 2026, https://4ort.xyz/entity/trappist-1-b.
BibTeX @misc{4ortxyz_trappist-1-b_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{TRAPPIST-1 b}}, year = {2026}, url = {https://4ort.xyz/entity/trappist-1-b}, note = {Accessed: 2026-10-30}}
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