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WASP-138b

extrasolar planet
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WASP-138b

Summary

WASP-138b is an exoplanet[1].

Key Facts

  • WASP-138b's instance of is recorded as exoplanet[2].
  • WASP-138b's constellation is recorded as Cetus[3].
  • WASP-138b's parent astronomical body is recorded as Q67844357[4].
  • WASP-138b's catalog code is recorded as TOI-400.01[5].
  • WASP-138b's catalog code is recorded as TIC 35857242b[6].
  • WASP-138b's time of discovery or invention is recorded as +2016-00-00T00:00:00Z[7].
  • WASP-138b's time of discovery or invention is recorded as +2017-03-00T00:00:00Z[8].
  • WASP-138b's discovery method is recorded as transit method[9].
  • WASP-138b's orbital inclination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+88.5'}[10].
  • WASP-138b's M sin i is recorded as {'unit': 'http://www.wikidata.org/entity/Q651336', 'amount': '+1.09'}[11].
  • WASP-138b's mass is recorded as {'unit': 'http://www.wikidata.org/entity/Q651336', 'amount': '+1.22'}[12].
  • WASP-138b's radius is recorded as {'unit': 'http://www.wikidata.org/entity/Q3421309', 'amount': '+1.17604'}[13].
  • WASP-138b's orbital period is recorded as {'unit': 'http://www.wikidata.org/entity/Q573', 'amount': '+3.6344327'}[14].
  • WASP-138b's parallax is recorded as {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+2.3857'}[15].
  • WASP-138b's semi-major axis of an orbit is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+0.0494'}[16].
  • WASP-138b's SIMBAD ID is recorded as WASP-138b[17].
  • WASP-138b's Wolfram Language entity code is recorded as Entity["Exoplanet", "WASP138b"][18].
  • WASP-138b's Extrasolar Planets Encyclopaedia exoplanet ID is recorded as wasp_138_b--4010[19].
  • WASP-138b's NASA Exoplanet Archive ID is recorded as WASP-138 b[20].
  • WASP-138b's right ascension is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+41.63911134606418'}[21].
  • WASP-138b's declination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '-0.46397685206028'}[22].
  • WASP-138b's epoch is recorded as J2000.0[23].
  • WASP-138b's declination component of proper motion is recorded as {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '-34.464'}[24].
  • WASP-138b's right ascension component of proper motion is recorded as {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '+11.247'}[25].
  • WASP-138b's time of periapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q14267', 'amount': '+2457326.62183'}[26].

Body

Designation and Status

WASP-138b's instance of is recorded as exoplanet[2].

History and Context

Catalog codes include TOI-400.01[5] and TIC 35857242b[6].

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] ↑ . Exoplanet Archive. wikidata.org.
  5. [6] ↑ . Exoplanet Archive. wikidata.org.
  6. [7] ↑ . Extrasolar Planets Encyclopaedia. wikidata.org.
  7. [8] ↑ . From dense hot Jupiter to low-density Neptune: The discovery of WASP-127b, WASP-136b, and WASP-138b. wikidata.org.
  8. [9] ↑ . From dense hot Jupiter to low-density Neptune: The discovery of WASP-127b, WASP-136b, and WASP-138b. wikidata.org.
  9. [10] ↑ . From dense hot Jupiter to low-density Neptune: The discovery of WASP-127b, WASP-136b, and WASP-138b. wikidata.org.
  10. [11] ↑ . Extrasolar Planets Encyclopaedia. wikidata.org.
  11. [12] ↑ . From dense hot Jupiter to low-density Neptune: The discovery of WASP-127b, WASP-136b, and WASP-138b. wikidata.org.
  12. [13] ↑ . From dense hot Jupiter to low-density Neptune: The discovery of WASP-127b, WASP-136b, and WASP-138b. wikidata.org.
  13. [14] ↑ . ExoClock Project. III. 450 New Exoplanet Ephemerides from Ground and Space Observations. wikidata.org.
  14. [15] ↑ . Gaia Data Release 2. wikidata.org.
  15. [16] ↑ . From dense hot Jupiter to low-density Neptune: The discovery of WASP-127b, WASP-136b, and WASP-138b. wikidata.org.
  16. [17] ↑ . wikidata.org.
  17. [18] ↑ . wikidata.org.
  18. [19] ↑ . wikidata.org.
  19. [20] ↑ . wikidata.org.
  20. [21] ↑ . Gaia Data Release 2. wikidata.org.
  21. [22] ↑ . Gaia Data Release 2. wikidata.org.
  22. [23] ↑ . SIMBAD. wikidata.org.
  23. [24] ↑ . Gaia Data Release 2. wikidata.org.
  24. [25] ↑ . Gaia Data Release 2. wikidata.org.
  25. [26] ↑ . Extrasolar Planets Encyclopaedia. 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). WASP-138b. Retrieved May 3, 2026, from https://4ort.xyz/entity/wasp-138b
MLA “WASP-138b.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/wasp-138b.
BibTeX @misc{4ortxyz_wasp-138b_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{WASP-138b}}, year = {2026}, url = {https://4ort.xyz/entity/wasp-138b}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): WASP-138b — https://4ort.xyz/entity/wasp-138b (retrieved 2026-05-03)

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