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K2-291b

exoplanet in the constellation Taurus
Thing exoplanet Q87626000
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K2-291b

Summary

K2-291b is an exoplanet[1].

Key Facts

  • K2-291b's instance of is recorded as exoplanet[2].
  • K2-291b's constellation is recorded as Taurus[3].
  • K2-291b's parent astronomical body is recorded as Q89826385[4].
  • K2-291b's catalog code is recorded as HD 285181b[5].
  • K2-291b's catalog code is recorded as TOI-4604.01[6].
  • K2-291b's catalog code is recorded as K2-291b[7].
  • K2-291b's catalog code is recorded as EPIC 247418783b[8].
  • K2-291b's catalog code is recorded as TIC 27039476b[9].
  • K2-291b's catalog code is recorded as TOI-4604b[10].
  • K2-291b's time of discovery or invention is recorded as +2019-03-00T00:00:00Z[11].
  • K2-291b's discovery method is recorded as transit method[12].
  • K2-291b's orbital eccentricity is recorded as {'unit': '1', 'amount': '+0.0'}[13].
  • K2-291b's orbital inclination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+85.26'}[14].
  • K2-291b's mass is recorded as {'unit': 'http://www.wikidata.org/entity/Q681996', 'amount': '+6.4'}[15].
  • K2-291b's radius is recorded as {'unit': 'http://www.wikidata.org/entity/Q1155470', 'amount': '+1.582'}[16].
  • K2-291b's orbital period is recorded as {'unit': 'http://www.wikidata.org/entity/Q573', 'amount': '+2.225177'}[17].
  • K2-291b's parallax is recorded as {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+11.0758'}[18].
  • K2-291b's semi-major axis of an orbit is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+0.03261'}[19].
  • K2-291b's argument of periapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+0.0'}[20].
  • K2-291b's right ascension is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+76.44594'}[21].
  • K2-291b's declination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+21.548199'}[22].
  • K2-291b's epoch is recorded as J2000.0[23].
  • K2-291b's declination component of proper motion is recorded as {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '-97.186'}[24].
  • K2-291b's right ascension component of proper motion is recorded as {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '+30.878'}[25].

Body

Definition and Type

K2-291b's instance of is recorded as exoplanet[2].

References

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

Direct Wikidata claims

  1. [2] ↑ . SIMBAD. wikidata.org.
  2. [3] ↑ . wikidata.org.
  3. [4] ↑ . K2-291b: A Rocky Super-Earth in a 2.2 day Orbit. 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] ↑ . K2-291b: A Rocky Super-Earth in a 2.2 day Orbit. wikidata.org.
  11. [12] ↑ . K2-291b: A Rocky Super-Earth in a 2.2 day Orbit. wikidata.org.
  12. [13] ↑ . K2-291b: A Rocky Super-Earth in a 2.2 day Orbit. wikidata.org.
  13. [14] ↑ . K2-291b: A Rocky Super-Earth in a 2.2 day Orbit. wikidata.org.
  14. [15] ↑ . Homogeneous Analysis of Hot Earths: Masses, Sizes, and Compositions. wikidata.org.
  15. [16] ↑ . Homogeneous Analysis of Hot Earths: Masses, Sizes, and Compositions. wikidata.org.
  16. [17] ↑ . K2-291b: A Rocky Super-Earth in a 2.2 day Orbit. wikidata.org.
  17. [18] ↑ . Gaia Data Release 2. wikidata.org.
  18. [19] ↑ . K2-291b: A Rocky Super-Earth in a 2.2 day Orbit. wikidata.org.
  19. [20] ↑ . K2-291b: A Rocky Super-Earth in a 2.2 day Orbit. wikidata.org.
  20. [21] ↑ . K2-291b: A Rocky Super-Earth in a 2.2 day Orbit. wikidata.org.
  21. [22] ↑ . K2-291b: A Rocky Super-Earth in a 2.2 day Orbit. wikidata.org.
  22. [23] ↑ . SIMBAD. wikidata.org.
  23. [24] ↑ . Gaia Data Release 1. Summary of the astrometric, photometric, and survey properties. wikidata.org.
  24. [25] ↑ . Gaia Data Release 1. Summary of the astrometric, photometric, and survey properties. wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

📑 Cite this page

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). K2-291b. Retrieved May 7, 2026, from https://4ort.xyz/entity/q87626000
MLA “K2-291b.” 4ort.xyz Knowledge Graph, 4ort.xyz, 7 May. 2026, https://4ort.xyz/entity/q87626000.
BibTeX @misc{4ortxyz_q87626000_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{K2-291b}}, year = {2026}, url = {https://4ort.xyz/entity/q87626000}, note = {Accessed: 2026-05-07}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): K2-291b — https://4ort.xyz/entity/q87626000 (retrieved 2026-05-07)

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