TRAPPIST-1 d

extrasolar planet
Place exoplanet Q24055837
TRAPPIST-1 d
NASA/JPL-Caltech · Public Domain · Wikimedia
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TRAPPIST-1 d

Summary

TRAPPIST-1 d is an exoplanet[1]. It has Wikipedia articles in 19 language editions, a strong signal of global cultural recognition.[2]

Key Facts

  • TRAPPIST-1 d's instance of is recorded as exoplanet[3].
  • TRAPPIST-1 d's constellation is recorded as Aquarius[4].
  • TRAPPIST-1 d's Commons category is recorded as TRAPPIST-1 d[5].
  • TRAPPIST-1 d's parent astronomical body is recorded as Q23986556[6].
  • TRAPPIST-1 d's catalog code is recorded as K2-112d[7].
  • TRAPPIST-1 d's catalog code is recorded as TRAPPIST-1d[8].
  • TRAPPIST-1 d's catalog code is recorded as K2-112d[9].
  • TRAPPIST-1 d's catalog code is recorded as EPIC 246199087d[10].
  • TRAPPIST-1 d's catalog code is recorded as TIC 278892590d[11].
  • TRAPPIST-1 d's time of discovery or invention is recorded as May 2, 2016[12].
  • TRAPPIST-1 d's time of discovery or invention is recorded as May 2016[13].
  • TRAPPIST-1 d's discovery method is recorded as transit method[14].
  • TRAPPIST-1 d's orbital eccentricity is recorded as {'amount': '+0.00837'}[15].
  • TRAPPIST-1 d's orbital inclination is recorded as {'unit': 'Q28390', 'amount': '+89.896'}[16].
  • TRAPPIST-1 d's mass is recorded as {'unit': 'Q681996', 'amount': '+0.388'}[17].
  • TRAPPIST-1 d's temperature is recorded as {'unit': 'Q11579', 'amount': '+288.0'}[18].
  • TRAPPIST-1 d's radius is recorded as {'unit': 'Q1155470', 'amount': '+0.788'}[19].
  • TRAPPIST-1 d's orbital period is recorded as {'unit': 'Q573', 'amount': '+4.049219'}[20].
  • TRAPPIST-1 d's parallax is recorded as {'unit': 'Q21500224', 'amount': '+80.4512'}[21].
  • TRAPPIST-1 d's semi-major axis of an orbit is recorded as {'unit': 'Q1811', 'amount': '+0.02227'}[22].
  • TRAPPIST-1 d's argument of periapsis is recorded as {'unit': 'Q28390', 'amount': '-8.73'}[23].
  • TRAPPIST-1 d's right ascension is recorded as {'unit': 'Q28390', 'amount': '+346.62236835536920'}[24].
  • TRAPPIST-1 d's declination is recorded as {'unit': 'Q28390', 'amount': '-5.04139769179028'}[25].
  • TRAPPIST-1 d's epoch is recorded as J2000.0[26].
  • TRAPPIST-1 d's declination component of proper motion is recorded as {'unit': 'Q22137107', 'amount': '-479.403'}[27].

Body

Designation and Status

TRAPPIST-1 d's instance of is recorded as exoplanet[3].

History and Context

Catalog codes include K2-112d[7], TRAPPIST-1d[8], EPIC 246199087d[10], and TIC 278892590d[11].

Why It Matters

TRAPPIST-1 d has Wikipedia articles in 19 language editions, a strong signal of global cultural recognition.[2] It is known by 3 alternative names across languages and contexts.[28]

References

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

Direct Wikidata claims

  1. [3] . SIMBAD. wikidata.org.
  2. [4] . wikidata.org.
  3. [5] . wikidata.org.
  4. [6] . Temperate Earth-sized planets transiting a nearby ultracool dwarf star. wikidata.org.
  5. [7] . SIMBAD. wikidata.org.
  6. [8] . SIMBAD. wikidata.org.
  7. [9] . Exoplanet Archive. wikidata.org.
  8. [10] . Exoplanet Archive. wikidata.org.
  9. [11] . Exoplanet Archive. wikidata.org.
  10. [12] . wikidata.org.
  11. [13] . Temperate Earth-sized planets transiting a nearby ultracool dwarf star. wikidata.org.
  12. [14] . Temperate Earth-sized planets transiting a nearby ultracool dwarf star. wikidata.org.
  13. [15] . The nature of the TRAPPIST-1 exoplanets. wikidata.org.
  14. [16] . Refining the Transit-timing and Photometric Analysis of TRAPPIST-1: Masses, Radii, Densities, Dynamics, and Ephemerides. wikidata.org.
  15. [17] . Refining the Transit-timing and Photometric Analysis of TRAPPIST-1: Masses, Radii, Densities, Dynamics, and Ephemerides. wikidata.org.
  16. [18] . Extrasolar Planets Encyclopaedia. wikidata.org.
  17. [19] . Refining the Transit-timing and Photometric Analysis of TRAPPIST-1: Masses, Radii, Densities, Dynamics, and Ephemerides. wikidata.org.
  18. [20] . Refining the Transit-timing and Photometric Analysis of TRAPPIST-1: Masses, Radii, Densities, Dynamics, and Ephemerides. wikidata.org.
  19. [21] . Gaia Data Release 2. wikidata.org.
  20. [22] . Refining the Transit-timing and Photometric Analysis of TRAPPIST-1: Masses, Radii, Densities, Dynamics, and Ephemerides. wikidata.org.
  21. [23] . The nature of the TRAPPIST-1 exoplanets. wikidata.org.
  22. [24] . Gaia Data Release 2. wikidata.org.
  23. [25] . Gaia Data Release 2. wikidata.org.
  24. [26] . SIMBAD. wikidata.org.
  25. [27] . Gaia Data Release 2. wikidata.org.

Class ancestry

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

Aggregate / graph-position facts

  1. [2] . Wikidata sitelinks. wikidata.org.
  2. [28] . Wikidata aliases. 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). TRAPPIST-1 d. Retrieved May 3, 2026, from https://4ort.xyz/entity/trappist-1-d
MLA “TRAPPIST-1 d.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/trappist-1-d.
BibTeX @misc{4ortxyz_trappist-1-d_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{TRAPPIST-1 d}}, year = {2026}, url = {https://4ort.xyz/entity/trappist-1-d}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): TRAPPIST-1 d — https://4ort.xyz/entity/trappist-1-d (retrieved 2026-05-03)

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Edit History

Rolling log of changes to this entity's Wikidata record. Values shown reflect the current state of each edited property — follow the history link to see the precise diff for any edit.

  1. 10d ago · MatSuBot bot · 2026-07-06 view diff on Wikidata ↗
    Orbital eccentricity {'amount': '+0.00837'}
    Declination component of proper motion {'unit': 'Q22137107', 'amount': '-479.403'}
    Radius {'unit': 'Q1155470', 'amount': '+0.788'}
    Right ascension component of proper motion {'unit': 'Q22137107', 'amount': '+930.879'}
    + 16 other properties edited (see Wikidata diff for full list)
    "/* wbeditentity-update-languages-short:0||ca, uk, nl, vi, ja, pt, ar, id, bg, sv, el, zh, es, pl */ import labels from sitelinks"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.