HD 20794 d

extrasolar planet
Place exoplanet Q17629638
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HD 20794 d

Summary

HD 20794 d is an exoplanet[1].

Key Facts

  • HD 20794 d's instance of is recorded as exoplanet[2].
  • HD 20794 d's constellation is recorded as Eridanus[3].
  • HD 20794 d's parent astronomical body is recorded as 82 G. Eridani[4].
  • HD 20794 d's catalog code is recorded as GJ 139 d[5].
  • HD 20794 d's catalog code is recorded as HD 20794d[6].
  • HD 20794 d's catalog code is recorded as TIC 301051051d[7].
  • HD 20794 d's time of discovery or invention is recorded as +2011-10-00T00:00:00Z[8].
  • HD 20794 d's discovery method is recorded as Doppler spectroscopy[9].
  • HD 20794 d's orbital eccentricity is recorded as {'unit': '1', 'amount': '+0.25'}[10].
  • HD 20794 d's orbital inclination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+90'}[11].
  • HD 20794 d's M sin i is recorded as {'unit': 'http://www.wikidata.org/entity/Q651336', 'amount': '+0.01108'}[12].
  • HD 20794 d's mass is recorded as {'unit': 'http://www.wikidata.org/entity/Q651336', 'amount': '+0.01108'}[13].
  • HD 20794 d's orbital period is recorded as {'unit': 'http://www.wikidata.org/entity/Q573', 'amount': '+88.9'}[14].
  • HD 20794 d's angular distance is recorded as {'unit': 'http://www.wikidata.org/entity/Q829073', 'amount': '+0.057739'}[15].
  • HD 20794 d's parallax is recorded as {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+165.47'}[16].
  • HD 20794 d's semi-major axis of an orbit is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+0.364'}[17].
  • HD 20794 d's argument of periapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+252.67'}[18].
  • HD 20794 d's Google Knowledge Graph ID is recorded as /g/11b5m3vrfj[19].
  • HD 20794 d's SIMBAD ID is recorded as * e Eri d[20].
  • HD 20794 d's Wolfram Language entity code is recorded as Entity["Exoplanet", "HD20794d"][21].
  • HD 20794 d's Extrasolar Planets Encyclopaedia exoplanet ID is recorded as 82_eri_c--887[22].
  • HD 20794 d's NASA Exoplanet Archive ID is recorded as HD 20794 d[23].
  • HD 20794 d's right ascension is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+49.9997666'}[24].
  • HD 20794 d's declination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '-43.0666533'}[25].
  • HD 20794 d's epoch is recorded as J2000.0[26].

Body

Designation and Status

HD 20794 d's instance of is recorded as exoplanet[2].

History and Context

Catalog codes include GJ 139 d[5], HD 20794d[6], and TIC 301051051d[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] . The HARPS search for Earth-like planets in the habitable zone. wikidata.org.
  8. [9] . The HARPS search for Earth-like planets in the habitable zone. wikidata.org.
  9. [10] . An Integrative Analysis of the Rich Planetary System of the Nearby Star e Eridani: Ideal Targets for Exoplanet Imaging and Biosignature Searches. wikidata.org.
  10. [11] . The HARPS search for Earth-like planets in the habitable zone. wikidata.org.
  11. [12] . An Integrative Analysis of the Rich Planetary System of the Nearby Star e Eridani: Ideal Targets for Exoplanet Imaging and Biosignature Searches. wikidata.org.
  12. [13] . Extrasolar Planets Encyclopaedia. wikidata.org.
  13. [14] . Evidence for at least three planet candidates orbiting HD 20794. wikidata.org.
  14. [15] . Extrasolar Planets Encyclopaedia. wikidata.org.
  15. [16] . Validation of the new Hipparcos reduction. wikidata.org.
  16. [17] . Evidence for at least three planet candidates orbiting HD 20794. wikidata.org.
  17. [18] . Evidence for at least three planet candidates orbiting HD 20794. wikidata.org.
  18. [19] . wikidata.org.
  19. [20] . wikidata.org.
  20. [21] . wikidata.org.
  21. [22] . wikidata.org.
  22. [23] . wikidata.org.
  23. [24] . The HARPS search for Earth-like planets in the habitable zone. wikidata.org.
  24. [25] . The HARPS search for Earth-like planets in the habitable zone. wikidata.org.
  25. [26] . 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). HD 20794 d. Retrieved May 3, 2026, from https://4ort.xyz/entity/hd-20794-d
MLA “HD 20794 d.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/hd-20794-d.
BibTeX @misc{4ortxyz_hd-20794-d_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{HD 20794 d}}, year = {2026}, url = {https://4ort.xyz/entity/hd-20794-d}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): HD 20794 d — https://4ort.xyz/entity/hd-20794-d (retrieved 2026-05-03)

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