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KELT-21b

extrasolar planet
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KELT-21b

Summary

KELT-21b is an exoplanet[1]. KELT-21b draws 1 Wikipedia views per month (exoplanet category, ranking #96 of 578).[2]

Key Facts

  • KELT-21b's instance of is recorded as exoplanet[3].
  • KELT-21b's constellation is recorded as Cygnus[4].
  • KELT-21b's parent astronomical body is recorded as Q83589197[5].
  • KELT-21b's catalog code is recorded as TOI-1198.01[6].
  • KELT-21b's catalog code is recorded as TOI-1198b[7].
  • KELT-21b's catalog code is recorded as TIC 203189770b[8].
  • KELT-21b's time of discovery or invention is recorded as +2017-00-00T00:00:00Z[9].
  • KELT-21b's time of discovery or invention is recorded as +2018-02-00T00:00:00Z[10].
  • KELT-21b's discovery method is recorded as transit method[11].
  • KELT-21b's orbital eccentricity is recorded as {'unit': '1', 'amount': '+0'}[12].
  • KELT-21b's orbital inclination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+86.46'}[13].
  • KELT-21b's M sin i is recorded as {'unit': 'http://www.wikidata.org/entity/Q651336', 'amount': '+3.91'}[14].
  • KELT-21b's mass is recorded as {'unit': 'http://www.wikidata.org/entity/Q651336', 'amount': '+3.91'}[15].
  • KELT-21b's radius is recorded as {'unit': 'http://www.wikidata.org/entity/Q3421309', 'amount': '+1.62184'}[16].
  • KELT-21b's orbital period is recorded as {'unit': 'http://www.wikidata.org/entity/Q573', 'amount': '+3.61276958'}[17].
  • KELT-21b's parallax is recorded as {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+2.0953'}[18].
  • KELT-21b's semi-major axis of an orbit is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+0.05224'}[19].
  • KELT-21b's Google Knowledge Graph ID is recorded as /g/11g0kd03cx[20].
  • KELT-21b's SIMBAD ID is recorded as HD 332124b[21].
  • KELT-21b's Extrasolar Planets Encyclopaedia exoplanet ID is recorded as kelt_21_ab--6685[22].
  • KELT-21b's NASA Exoplanet Archive ID is recorded as KELT-21 b[23].
  • KELT-21b's right ascension is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+304.80002072853250'}[24].
  • KELT-21b's declination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+32.58104512975500'}[25].
  • KELT-21b's epoch is recorded as J2000.0[26].
  • KELT-21b's declination component of proper motion is recorded as {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '-0.113'}[27].

Body

Designation and Status

KELT-21b's instance of is recorded as exoplanet[3].

History and Context

Catalog codes include TOI-1198.01[6], TOI-1198b[7], and TIC 203189770b[8].

Why It Matters

KELT-21b draws 1 Wikipedia views per month (exoplanet category, ranking #96 of 578).[2]

References

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

Direct Wikidata claims

  1. [3] ↑ . SIMBAD. wikidata.org.
  2. [4] ↑ . wikidata.org.
  3. [5] ↑ . KELT-21b: A Hot Jupiter Transiting the Rapidly Rotating Metal-poor Late-A Primary of a Likely Hierarchical Triple System. wikidata.org.
  4. [6] ↑ . Exoplanet Archive. wikidata.org.
  5. [7] ↑ . Exoplanet Archive. wikidata.org.
  6. [8] ↑ . Exoplanet Archive. wikidata.org.
  7. [9] ↑ . Extrasolar Planets Encyclopaedia. wikidata.org.
  8. [10] ↑ . KELT-21b: A Hot Jupiter Transiting the Rapidly Rotating Metal-poor Late-A Primary of a Likely Hierarchical Triple System. wikidata.org.
  9. [11] ↑ . KELT-21b: A Hot Jupiter Transiting the Rapidly Rotating Metal-poor Late-A Primary of a Likely Hierarchical Triple System. wikidata.org.
  10. [12] ↑ . KELT-21b: A Hot Jupiter Transiting the Rapidly Rotating Metal-poor Late-A Primary of a Likely Hierarchical Triple System. wikidata.org.
  11. [13] ↑ . KELT-21b: A Hot Jupiter Transiting the Rapidly Rotating Metal-poor Late-A Primary of a Likely Hierarchical Triple System. wikidata.org.
  12. [14] ↑ . KELT-21b: A Hot Jupiter Transiting the Rapidly Rotating Metal-poor Late-A Primary of a Likely Hierarchical Triple System. wikidata.org.
  13. [15] ↑ . KELT-21b: A Hot Jupiter Transiting the Rapidly Rotating Metal-poor Late-A Primary of a Likely Hierarchical Triple System. wikidata.org.
  14. [16] ↑ . KELT-21b: A Hot Jupiter Transiting the Rapidly Rotating Metal-poor Late-A Primary of a Likely Hierarchical Triple System. wikidata.org.
  15. [17] ↑ . ExoClock Project. III. 450 New Exoplanet Ephemerides from Ground and Space Observations. wikidata.org.
  16. [18] ↑ . Gaia Data Release 2. wikidata.org.
  17. [19] ↑ . KELT-21b: A Hot Jupiter Transiting the Rapidly Rotating Metal-poor Late-A Primary of a Likely Hierarchical Triple System. wikidata.org.
  18. [20] ↑ . wikidata.org.
  19. [21] ↑ . wikidata.org.
  20. [22] ↑ . wikidata.org.
  21. [23] ↑ . wikidata.org.
  22. [24] ↑ . Gaia Data Release 2. wikidata.org.
  23. [25] ↑ . Gaia Data Release 2. wikidata.org.
  24. [26] ↑ . SIMBAD. wikidata.org.
  25. [27] ↑ . Gaia Data Release 2. wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] ↑ . Wikimedia Foundation. dumps.wikimedia.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). KELT-21b. Retrieved May 3, 2026, from https://4ort.xyz/entity/kelt-21b
MLA “KELT-21b.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/kelt-21b.
BibTeX @misc{4ortxyz_kelt-21b_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{KELT-21b}}, year = {2026}, url = {https://4ort.xyz/entity/kelt-21b}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): KELT-21b — https://4ort.xyz/entity/kelt-21b (retrieved 2026-05-03)

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