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Gliese 229 Ac

exoplanet in the constellation Lepus
Place exoplanet Q81822929
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Gliese 229 Ac

Summary

Gliese 229 Ac is an exoplanet[1].

Key Facts

  • Gliese 229 Ac's instance of is recorded as exoplanet[2].
  • Gliese 229 Ac's constellation is recorded as Lepus[3].
  • Gliese 229 Ac's parent astronomical body is recorded as Gliese 229 A[4].
  • Gliese 229 Ac's catalog code is recorded as GJ 229 c[5].
  • Gliese 229 Ac's catalog code is recorded as HD 42581c[6].
  • Gliese 229 Ac's catalog code is recorded as TIC 124279525c[7].
  • Gliese 229 Ac's time of discovery or invention is recorded as +2020-01-00T00:00:00Z[8].
  • Gliese 229 Ac's discovery method is recorded as Doppler spectroscopy[9].
  • Gliese 229 Ac's orbital eccentricity is recorded as {'unit': '1', 'amount': '+0.366'}[10].
  • Gliese 229 Ac's M sin i is recorded as {'unit': 'http://www.wikidata.org/entity/Q651336', 'amount': '+0.027'}[11].
  • Gliese 229 Ac's mass is recorded as {'unit': 'http://www.wikidata.org/entity/Q651336', 'amount': '+0.02495'}[12].
  • Gliese 229 Ac's orbital period is recorded as {'unit': 'http://www.wikidata.org/entity/Q573', 'amount': '+121.93268'}[13].
  • Gliese 229 Ac's parallax is recorded as {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+173.6955'}[14].
  • Gliese 229 Ac's semi-major axis of an orbit is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+0.384'}[15].
  • Gliese 229 Ac's argument of periapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+128.617'}[16].
  • Gliese 229 Ac's Google Knowledge Graph ID is recorded as /g/11j50h41dd[17].
  • Gliese 229 Ac's SIMBAD ID is recorded as HD 42581c[18].
  • Gliese 229 Ac's Extrasolar Planets Encyclopaedia exoplanet ID is recorded as gj_229_d--7263[19].
  • Gliese 229 Ac's NASA Exoplanet Archive ID is recorded as GJ 229 A c[20].
  • Gliese 229 Ac's right ascension is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+92.6435993'}[21].
  • Gliese 229 Ac's declination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '-21.8677233'}[22].
  • Gliese 229 Ac's epoch is recorded as J2000.0[23].
  • Gliese 229 Ac's declination component of proper motion is recorded as {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '-719.088'}[24].
  • Gliese 229 Ac's right ascension component of proper motion is recorded as {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '-135.985'}[25].

Body

Designation and Status

Gliese 229 Ac's instance of is recorded as exoplanet[2].

History and Context

Catalog codes include GJ 229 c[5], HD 42581c[6], and TIC 124279525c[7].

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] ↑ . SIMBAD. wikidata.org.
  4. [5] ↑ . SIMBAD. wikidata.org.
  5. [6] ↑ . SIMBAD. wikidata.org.
  6. [7] ↑ . Exoplanet Archive. wikidata.org.
  7. [8] ↑ . Search for Nearby Earth Analogs. II. Detection of Five New Planets, Eight Planet Candidates, and Confirmation of Three Planets around Nine Nearby M Dwarfs. wikidata.org.
  8. [9] ↑ . Search for Nearby Earth Analogs. II. Detection of Five New Planets, Eight Planet Candidates, and Confirmation of Three Planets around Nine Nearby M Dwarfs. wikidata.org.
  9. [10] ↑ . 3-D selection of 167 sub-stellar companions to nearby stars. wikidata.org.
  10. [11] ↑ . 3-D selection of 167 sub-stellar companions to nearby stars. wikidata.org.
  11. [12] ↑ . Extrasolar Planets Encyclopaedia. wikidata.org.
  12. [13] ↑ . 3-D selection of 167 sub-stellar companions to nearby stars. wikidata.org.
  13. [14] ↑ . Gaia Data Release 2. wikidata.org.
  14. [15] ↑ . 3-D selection of 167 sub-stellar companions to nearby stars. wikidata.org.
  15. [16] ↑ . 3-D selection of 167 sub-stellar companions to nearby stars. wikidata.org.
  16. [17] ↑ . wikidata.org.
  17. [18] ↑ . wikidata.org.
  18. [19] ↑ . wikidata.org.
  19. [20] ↑ . wikidata.org.
  20. [21] ↑ . Search for Nearby Earth Analogs. II. Detection of Five New Planets, Eight Planet Candidates, and Confirmation of Three Planets around Nine Nearby M Dwarfs. wikidata.org.
  21. [22] ↑ . Search for Nearby Earth Analogs. II. Detection of Five New Planets, Eight Planet Candidates, and Confirmation of Three Planets around Nine Nearby M Dwarfs. wikidata.org.
  22. [23] ↑ . SIMBAD. wikidata.org.
  23. [24] ↑ . Gaia Data Release 2. wikidata.org.
  24. [25] ↑ . Gaia Data Release 2. 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). Gliese 229 Ac. Retrieved May 3, 2026, from https://4ort.xyz/entity/gliese-229-ac
MLA “Gliese 229 Ac.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/gliese-229-ac.
BibTeX @misc{4ortxyz_gliese-229-ac_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Gliese 229 Ac}}, year = {2026}, url = {https://4ort.xyz/entity/gliese-229-ac}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Gliese 229 Ac — https://4ort.xyz/entity/gliese-229-ac (retrieved 2026-05-03)

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