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Q86544630

unconfirmed exoplanet in the constellation Eridanus
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Q86544630

Summary

Q86544630 is an unconfirmed exoplanet[1].

Key Facts

  • Q86544630's instance of is recorded as unconfirmed exoplanet[2].
  • Q86544630's constellation is recorded as Eridanus[3].
  • Q86544630's parent astronomical body is recorded as Ayeyarwady[4].
  • Q86544630's catalog code is recorded as HD 18742c[5].
  • Q86544630's time of discovery or invention is recorded as +2018-00-00T00:00:00Z[6].
  • Q86544630's discovery method is recorded as Doppler spectroscopy[7].
  • Q86544630's orbital eccentricity is recorded as {'unit': '1', 'amount': '+0.056'}[8].
  • Q86544630's M sin i is recorded as {'unit': 'http://www.wikidata.org/entity/Q651336', 'amount': '+2.4'}[9].
  • Q86544630's mass is recorded as {'unit': 'http://www.wikidata.org/entity/Q651336', 'amount': '+2.4'}[10].
  • Q86544630's radius is recorded as {'unit': 'http://www.wikidata.org/entity/Q3421309', 'amount': '+1.194'}[11].
  • Q86544630's orbital period is recorded as {'unit': 'http://www.wikidata.org/entity/Q573', 'amount': '+859'}[12].
  • Q86544630's parallax is recorded as {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+6.1211'}[13].
  • Q86544630's semi-major axis of an orbit is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+1.96'}[14].
  • Q86544630's argument of periapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+203'}[15].
  • Q86544630's right ascension is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+45.04440234749291'}[16].
  • Q86544630's declination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '-20.80260396335667'}[17].
  • Q86544630's epoch is recorded as J2000.0[18].
  • Q86544630's declination component of proper motion is recorded as {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '-22.861'}[19].
  • Q86544630's right ascension component of proper motion is recorded as {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '-19.724'}[20].
  • Q86544630's time of periapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q14267', 'amount': '+2441910'}[21].

Body

Definition and Type

Q86544630's instance of is recorded as unconfirmed 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] ↑ . Retired A stars and their companions. VIII. 15 new planetary signals around subgiants and transit parameters for California Planet Search planets with subgiant hosts. wikidata.org.
  4. [5] ↑ . SIMBAD. wikidata.org.
  5. [6] ↑ . Extrasolar Planets Encyclopaedia. wikidata.org.
  6. [7] ↑ . Extrasolar Planets Encyclopaedia. wikidata.org.
  7. [8] ↑ . Retired A stars and their companions. VIII. 15 new planetary signals around subgiants and transit parameters for California Planet Search planets with subgiant hosts. wikidata.org.
  8. [9] ↑ . Retired A stars and their companions. VIII. 15 new planetary signals around subgiants and transit parameters for California Planet Search planets with subgiant hosts. wikidata.org.
  9. [10] ↑ . Extrasolar Planets Encyclopaedia. wikidata.org.
  10. [11] ↑ . Retired A stars and their companions. VIII. 15 new planetary signals around subgiants and transit parameters for California Planet Search planets with subgiant hosts. wikidata.org.
  11. [12] ↑ . Retired A stars and their companions. VIII. 15 new planetary signals around subgiants and transit parameters for California Planet Search planets with subgiant hosts. wikidata.org.
  12. [13] ↑ . Gaia Data Release 2. wikidata.org.
  13. [14] ↑ . Retired A stars and their companions. VIII. 15 new planetary signals around subgiants and transit parameters for California Planet Search planets with subgiant hosts. wikidata.org.
  14. [15] ↑ . Retired A stars and their companions. VIII. 15 new planetary signals around subgiants and transit parameters for California Planet Search planets with subgiant hosts. wikidata.org.
  15. [16] ↑ . Gaia Data Release 2. wikidata.org.
  16. [17] ↑ . Gaia Data Release 2. wikidata.org.
  17. [18] ↑ . SIMBAD. wikidata.org.
  18. [19] ↑ . Gaia Data Release 2. wikidata.org.
  19. [20] ↑ . Gaia Data Release 2. wikidata.org.
  20. [21] ↑ . Retired A stars and their companions. VIII. 15 new planetary signals around subgiants and transit parameters for California Planet Search planets with subgiant hosts. 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). Q86544630. Retrieved May 7, 2026, from https://4ort.xyz/entity/q86544630
MLA “Q86544630.” 4ort.xyz Knowledge Graph, 4ort.xyz, 7 May. 2026, https://4ort.xyz/entity/q86544630.
BibTeX @misc{4ortxyz_q86544630_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Q86544630}}, year = {2026}, url = {https://4ort.xyz/entity/q86544630}, note = {Accessed: 2026-05-07}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Q86544630 — https://4ort.xyz/entity/q86544630 (retrieved 2026-05-07)

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