PSO J318.5-22

extrasolar free-floating planet
Thing brown_dwarf Q15057245
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PSO J318.5-22

Summary

PSO J318.5-22 is a brown dwarf[1]. It ranks in the top 7% of brown_dwarf entities by monthly Wikipedia readership (142 views/month).[2]

Key Facts

  • PSO J318.5-22's image is recorded as PSO J318.5-22 image from the Pan-STARRS1 telescope.png[3].
  • PSO J318.5-22's instance of is recorded as brown dwarf[4].
  • PSO J318.5-22's instance of is recorded as exoplanet[5].
  • PSO J318.5-22's instance of is recorded as near-infrared source[6].
  • PSO J318.5-22's constellation is recorded as Capricornus[7].
  • PSO J318.5-22's spectral class is recorded as L7+1[8].
  • PSO J318.5-22's part of is recorded as Beta Pictoris moving group[9].
  • PSO J318.5-22's Commons category is recorded as PSO J318.5-22[10].
  • PSO J318.5-22's catalog code is recorded as 2MASS J21140802-2251358[11].
  • PSO J318.5-22's time of discovery or invention is recorded as +2018-00-00T00:00:00Z[12].
  • PSO J318.5-22's Freebase ID is recorded as /m/0y6386d[13].
  • PSO J318.5-22's discovery method is recorded as direct imaging[14].
  • PSO J318.5-22's apparent magnitude is recorded as {'amount': '+16.706'}[15].
  • PSO J318.5-22's apparent magnitude is recorded as {'amount': '+15.72'}[16].
  • PSO J318.5-22's apparent magnitude is recorded as {'amount': '+14.740'}[17].
  • PSO J318.5-22's mass is recorded as {'unit': 'Q651336', 'amount': '+7.09'}[18].
  • PSO J318.5-22's radius is recorded as {'unit': 'Q3421309', 'amount': '+1.41'}[19].
  • PSO J318.5-22's parallax is recorded as {'unit': 'Q21500224', 'amount': '+0.0451'}[20].
  • PSO J318.5-22's distance from Earth is recorded as {'unit': 'Q12129', 'amount': '+24.6'}[21].
  • PSO J318.5-22's SIMBAD ID is recorded as 2MASS J21140802-2251358[22].
  • PSO J318.5-22's Extrasolar Planets Encyclopaedia exoplanet ID is recorded as pso_j318_5_22--6837[23].
  • PSO J318.5-22's right ascension is recorded as {'unit': 'Q28390', 'amount': '+318.53344'}[24].
  • PSO J318.5-22's declination is recorded as {'unit': 'Q28390', 'amount': '-22.859955'}[25].
  • PSO J318.5-22's epoch is recorded as J2000.0[26].
  • PSO J318.5-22's Microsoft Academic ID is recorded as 134176923[27].

Why It Matters

PSO J318.5-22 ranks in the top 7% of brown_dwarf entities by monthly Wikipedia readership (142 views/month).[2] It has Wikipedia articles in 17 language editions, a strong signal of global cultural recognition.[28]

References

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

Direct Wikidata claims

  1. [3] . wikidata.org.
  2. [4] . SIMBAD. wikidata.org.
  3. [5] . Extrasolar Planets Encyclopaedia. wikidata.org.
  4. [6] . SIMBAD. wikidata.org.
  5. [7] . wikidata.org.
  6. [8] . The extremely red, young l dwarf PSO J318.5338-22.8603: a free-floating planetary-mass analog to directly imaged young gas-giant planets. wikidata.org.
  7. [9] . BANYAN. II. Very low mass and substellar candidate members to nearby, young kinematic groups with previously known signs of youth. arxiv.org. Provenance: wikidata.org.
  8. [10] . wikidata.org.
  9. [11] . SIMBAD. wikidata.org.
  10. [12] . Extrasolar Planets Encyclopaedia. wikidata.org.
  11. [13] . Freebase Data Dumps. wikidata.org.
  12. [14] . Extrasolar Planets Encyclopaedia. wikidata.org.
  13. [15] . VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
  14. [16] . VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
  15. [17] . VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
  16. [18] . Fundamental parameters and spectral energy distributions of young and field age objects with masses spanning the stellar to planetary regime. wikidata.org.
  17. [19] . Fundamental parameters and spectral energy distributions of young and field age objects with masses spanning the stellar to planetary regime. wikidata.org.
  18. [20] . The Hawaii infrared parallax program. II. Young ultracool field dwarfs. wikidata.org.
  19. [21] . Extrasolar Planets Encyclopaedia. wikidata.org.
  20. [22] . wikidata.org.
  21. [23] . wikidata.org.
  22. [24] . VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
  23. [25] . VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
  24. [26] . VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
  25. [27] . wikidata.org.

Class ancestry

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

Aggregate / graph-position facts

  1. [2] . Wikimedia Foundation. dumps.wikimedia.org.
  2. [28] . Wikidata sitelinks. 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). PSO J318.5-22. Retrieved May 3, 2026, from https://4ort.xyz/entity/pso-j318-5-22
MLA “PSO J318.5-22.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/pso-j318-5-22.
BibTeX @misc{4ortxyz_pso-j318-5-22_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{PSO J318.5-22}}, year = {2026}, url = {https://4ort.xyz/entity/pso-j318-5-22}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): PSO J318.5-22 — https://4ort.xyz/entity/pso-j318-5-22 (retrieved 2026-05-03)

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