GJ 9827 d

exoplanet in the constellation Pisces
Place exoplanet Q85187719
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GJ 9827 d

Summary

GJ 9827 d is an exoplanet[1].

Key Facts

  • GJ 9827 d's instance of is recorded as exoplanet[2].
  • GJ 9827 d's instance of is recorded as sub-Neptune[3].
  • GJ 9827 d's constellation is recorded as Pisces[4].
  • GJ 9827 d's Commons category is recorded as GJ 9827 d[5].
  • GJ 9827 d's parent astronomical body is recorded as GJ 9827[6].
  • GJ 9827 d's catalog code is recorded as GJ 9827 d[7].
  • GJ 9827 d's catalog code is recorded as TOI-4517d[8].
  • GJ 9827 d's catalog code is recorded as K2-135d[9].
  • GJ 9827 d's catalog code is recorded as TIC 301289516d[10].
  • GJ 9827 d's catalog code is recorded as EPIC 246389858d[11].
  • GJ 9827 d's time of discovery or invention is recorded as +2017-12-00T00:00:00Z[12].
  • GJ 9827 d's discovery method is recorded as transit method[13].
  • GJ 9827 d's orbital eccentricity is recorded as {'unit': '1', 'amount': '+0.13'}[14].
  • GJ 9827 d's orbital inclination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+87.443'}[15].
  • GJ 9827 d's M sin i is recorded as {'unit': 'http://www.wikidata.org/entity/Q681996', 'amount': '+5.2'}[16].
  • GJ 9827 d's mass is recorded as {'unit': 'http://www.wikidata.org/entity/Q651336', 'amount': '+0.01076'}[17].
  • GJ 9827 d's radius is recorded as {'unit': 'http://www.wikidata.org/entity/Q3421309', 'amount': '+0.17441'}[18].
  • GJ 9827 d's orbital period is recorded as {'unit': 'http://www.wikidata.org/entity/Q573', 'amount': '+6.20183'}[19].
  • GJ 9827 d's parallax is recorded as {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+33.6855'}[20].
  • GJ 9827 d's semi-major axis of an orbit is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+0.0555'}[21].
  • GJ 9827 d's SIMBAD ID is recorded as BD-02 5958d[22].
  • GJ 9827 d's Extrasolar Planets Encyclopaedia exoplanet ID is recorded as gj_9827_d--6625[23].
  • GJ 9827 d's NASA Exoplanet Archive ID is recorded as GJ 9827 d[24].
  • GJ 9827 d's right ascension is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+351.77015687748160'}[25].
  • GJ 9827 d's declination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '-1.28627378188000'}[26].

Body

Designation and Status

Recorded instance of include exoplanet[2] and sub-Neptune[3].

History and Context

Catalog codes include GJ 9827 d[7], TOI-4517d[8], K2-135d[9], TIC 301289516d[10], and EPIC 246389858d[11].

References

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

Direct Wikidata claims

  1. [2] . SIMBAD. wikidata.org.
  2. [3] . Clouds and Clarity: Revisiting Atmospheric Feature Trends in Neptune-size Exoplanets. wikidata.org.
  3. [4] . wikidata.org.
  4. [5] . wikidata.org.
  5. [6] . Three Super-Earths Transiting the Nearby Star GJ 9827. wikidata.org.
  6. [7] . SIMBAD. wikidata.org.
  7. [8] . Exoplanet Archive. wikidata.org.
  8. [9] . Exoplanet Archive. wikidata.org.
  9. [10] . Exoplanet Archive. wikidata.org.
  10. [11] . Exoplanet Archive. wikidata.org.
  11. [12] . Three Super-Earths Transiting the Nearby Star GJ 9827. wikidata.org.
  12. [13] . Three Super-Earths Transiting the Nearby Star GJ 9827. wikidata.org.
  13. [14] . Cold Jupiters and improved masses in 38 Kepler and K2 small-planet systems from 3661 high-precision HARPS-N radial velocities. No excess of cold Jupiters in small-planet systems. wikidata.org.
  14. [15] . Masses and radii for the three super-Earths orbiting GJ 9827, and implications for the composition of small exoplanets. wikidata.org.
  15. [16] . A System of Three Super Earths Transiting the Late K-Dwarf GJ 9827 at 30 pc. wikidata.org.
  16. [17] . Physical Parameters of the Multiplanet Systems HD 106315 and GJ 9827. wikidata.org.
  17. [18] . Physical Parameters of the Multiplanet Systems HD 106315 and GJ 9827. wikidata.org.
  18. [19] . Physical Parameters of the Multiplanet Systems HD 106315 and GJ 9827. wikidata.org.
  19. [20] . Gaia Data Release 2. wikidata.org.
  20. [21] . Physical Parameters of the Multiplanet Systems HD 106315 and GJ 9827. wikidata.org.
  21. [22] . wikidata.org.
  22. [23] . wikidata.org.
  23. [24] . wikidata.org.
  24. [25] . Gaia Data Release 2. wikidata.org.
  25. [26] . Gaia Data Release 2. wikidata.org.

Class ancestry

  1. [1] . Wikidata. wikidata.org.

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APA 4ort.xyz Knowledge Graph. (2026). GJ 9827 d. Retrieved May 3, 2026, from https://4ort.xyz/entity/gj-9827-d
MLA “GJ 9827 d.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/gj-9827-d.
BibTeX @misc{4ortxyz_gj-9827-d_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{GJ 9827 d}}, year = {2026}, url = {https://4ort.xyz/entity/gj-9827-d}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): GJ 9827 d — https://4ort.xyz/entity/gj-9827-d (retrieved 2026-05-03)

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