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Q81656511

exoplanet in the constellation Cancer
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Q81656511

Summary

Q81656511 is an exoplanet[1].

Key Facts

  • Q81656511's instance of is recorded as exoplanet[2].
  • Q81656511's constellation is recorded as Cancer[3].
  • Q81656511's parent astronomical body is recorded as BD+26°1888[4].
  • Q81656511's catalog code is recorded as BD+26 1888b[5].
  • Q81656511's time of discovery or invention is recorded as +2016-00-00T00:00:00Z[6].
  • Q81656511's discovery method is recorded as Doppler spectroscopy[7].
  • Q81656511's orbital eccentricity is recorded as {'unit': '1', 'amount': '+0.2675'}[8].
  • Q81656511's M sin i is recorded as {'unit': 'http://www.wikidata.org/entity/Q651336', 'amount': '+26'}[9].
  • Q81656511's mass is recorded as {'unit': 'http://www.wikidata.org/entity/Q651336', 'amount': '+26'}[10].
  • Q81656511's orbital period is recorded as {'unit': 'http://www.wikidata.org/entity/Q573', 'amount': '+536.78'}[11].
  • Q81656511's parallax is recorded as {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+27.6829'}[12].
  • Q81656511's semi-major axis of an orbit is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+1.19'}[13].
  • Q81656511's argument of periapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+1.3'}[14].
  • Q81656511's SIMBAD ID is recorded as BD+26 1888b[15].
  • Q81656511's Extrasolar Planets Encyclopaedia exoplanet ID is recorded as bd_26_1888_b--2561[16].
  • Q81656511's right ascension is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+135.62764641817165'}[17].
  • Q81656511's declination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+25.88942499159694'}[18].
  • Q81656511's epoch is recorded as J2000.0[19].
  • Q81656511's declination component of proper motion is recorded as {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '-190.783'}[20].
  • Q81656511's right ascension component of proper motion is recorded as {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '-118.934'}[21].
  • Q81656511's time of periapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q14267', 'amount': '+2456548.3'}[22].

References

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

Direct Wikidata claims

  1. [2] ↑ . Extrasolar Planets Encyclopaedia. wikidata.org.
  2. [3] ↑ . wikidata.org.
  3. [4] ↑ . The SOPHIE search for northern extrasolar planets. IX. Populating the brown dwarf desert. wikidata.org.
  4. [5] ↑ . SIMBAD. wikidata.org.
  5. [6] ↑ . Extrasolar Planets Encyclopaedia. wikidata.org.
  6. [7] ↑ . Extrasolar Planets Encyclopaedia. wikidata.org.
  7. [8] ↑ . The SOPHIE search for northern extrasolar planets. IX. Populating the brown dwarf desert. wikidata.org.
  8. [9] ↑ . The SOPHIE search for northern extrasolar planets. IX. Populating the brown dwarf desert. wikidata.org.
  9. [10] ↑ . Extrasolar Planets Encyclopaedia. wikidata.org.
  10. [11] ↑ . The SOPHIE search for northern extrasolar planets. IX. Populating the brown dwarf desert. wikidata.org.
  11. [12] ↑ . Gaia Data Release 2. wikidata.org.
  12. [13] ↑ . The SOPHIE search for northern extrasolar planets. IX. Populating the brown dwarf desert. wikidata.org.
  13. [14] ↑ . The SOPHIE search for northern extrasolar planets. IX. Populating the brown dwarf desert. wikidata.org.
  14. [15] ↑ . wikidata.org.
  15. [16] ↑ . wikidata.org.
  16. [17] ↑ . Gaia Data Release 2. wikidata.org.
  17. [18] ↑ . Gaia Data Release 2. wikidata.org.
  18. [19] ↑ . SIMBAD. wikidata.org.
  19. [20] ↑ . Gaia Data Release 2. wikidata.org.
  20. [21] ↑ . Gaia Data Release 2. wikidata.org.
  21. [22] ↑ . The SOPHIE search for northern extrasolar planets. IX. Populating the brown dwarf desert. 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). Q81656511. Retrieved May 7, 2026, from https://4ort.xyz/entity/q81656511
MLA “Q81656511.” 4ort.xyz Knowledge Graph, 4ort.xyz, 7 May. 2026, https://4ort.xyz/entity/q81656511.
BibTeX @misc{4ortxyz_q81656511_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Q81656511}}, year = {2026}, url = {https://4ort.xyz/entity/q81656511}, note = {Accessed: 2026-05-07}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Q81656511 — https://4ort.xyz/entity/q81656511 (retrieved 2026-05-07)

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