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b Cen b

long-period exoplanet orbiting b Centauri
Place exoplanet Q113452601
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b Cen b

Summary

b Cen b is an exoplanet[1].

Key Facts

  • b Cen b's instance of is recorded as exoplanet[2].
  • b Cen b's constellation is recorded as Centaurus[3].
  • b Cen b's Commons category is recorded as HD 129116 b[4].
  • b Cen b's parent astronomical body is recorded as HD 129116[5].
  • b Cen b's time of discovery or invention is recorded as December 2021[6].
  • b Cen b's discovery method is recorded as direct imaging[7].
  • b Cen b's orbital eccentricity is recorded as {'unit': '1', 'amount': '+0.4'}[8].
  • b Cen b's orbital inclination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+143'}[9].
  • b Cen b's mass is recorded as {'unit': 'http://www.wikidata.org/entity/Q651336', 'amount': '+10.9'}[10].
  • b Cen b's orbital period is recorded as {'unit': 'http://www.wikidata.org/entity/Q573', 'amount': '+1790000'}[11].
  • b Cen b's semi-major axis of an orbit is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+556'}[12].
  • b Cen b's right ascension is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+220.48996116500'}[13].
  • b Cen b's declination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '-37.79349834000'}[14].
  • b Cen b's epoch is recorded as J2000.0[15].

Body

Designation and Status

b Cen b'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] ↑ . A wide-orbit giant planet in the high-mass b Centauri binary system. wikidata.org.
  2. [3] ↑ . wikidata.org.
  3. [4] ↑ . wikidata.org.
  4. [5] ↑ . Exoplanet Archive. wikidata.org.
  5. [6] ↑ . A wide-orbit giant planet in the high-mass b Centauri binary system. wikidata.org.
  6. [7] ↑ . A wide-orbit giant planet in the high-mass b Centauri binary system. wikidata.org.
  7. [8] ↑ . A wide-orbit giant planet in the high-mass b Centauri binary system. wikidata.org.
  8. [9] ↑ . A wide-orbit giant planet in the high-mass b Centauri binary system. wikidata.org.
  9. [10] ↑ . A wide-orbit giant planet in the high-mass b Centauri binary system. wikidata.org.
  10. [11] ↑ . A wide-orbit giant planet in the high-mass b Centauri binary system. wikidata.org.
  11. [12] ↑ . A wide-orbit giant planet in the high-mass b Centauri binary system. wikidata.org.
  12. [13] ↑ . Validation of the new Hipparcos reduction. wikidata.org.
  13. [14] ↑ . Validation of the new Hipparcos reduction. wikidata.org.
  14. [15] ↑ . SIMBAD. 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). b Cen b. Retrieved May 3, 2026, from https://4ort.xyz/entity/b-cen-b
MLA “b Cen b.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/b-cen-b.
BibTeX @misc{4ortxyz_b-cen-b_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{b Cen b}}, year = {2026}, url = {https://4ort.xyz/entity/b-cen-b}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): b Cen b — https://4ort.xyz/entity/b-cen-b (retrieved 2026-05-03)

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Edit History

Rolling log of changes to this entity's Wikidata record. Values shown reflect the current state of each edited property — follow the history link to see the precise diff for any edit.

  1. 4d ago · Debessis · 2026-08-18 view diff on Wikidata ↗
    Constellation → Centaurus
    Declination → {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount':
    Parent astronomical body → HD 129116
    Semi-major axis of an orbit → {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '
    + 15 other properties edited (see Wikidata diff for full list)
    "/* wbeditentity-update-languages-short:0||tt */ QuickStatements 3.0 [[:toollabs:qs-dev/batch/48224|batch #48224]]"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.