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TRAPPIST-1 c

extrasolar planet
Place exoplanet Q24908933

Facts

21 properties
Instance of
exoplanet
Argument of periapsis
282.45[21]
Catalog code
K2-112c, TRAPPIST-1c, K2-112c, EPIC 246199087c, TIC 278892590c[5][6][7][8][9]
Constellation
Aquarius[2]
Declination
-5.04139769179028
Declination component of proper motion
-479.403
Discovery method
transit method[12]
Epoch
J2000.0
Mass
1.308[15]
Named after
Trappist Cistercian monk[3]
Orbital eccentricity
0.00654[13]
Orbital inclination
89.778[14]
Orbital period
2.421937[18]
Parallax
80.4512[19]
Parent astronomical body
TRAPPIST-1[4]
Radius
1.097[17]
Right ascension
346.6223683553692
Right ascension component of proper motion
930.879
Semi-major axis of an orbit
0.0158[20]
Temperature
341.9[16]
Time of discovery or invention
May 2, 2016, May 2016[10][11]
🏷️ Also known as
en 2MASS J23062928-0502285 c en TRAPPIST-1 c en TRAPPIST-1c ar ترابيست-١ سي ar ترابيست-1c ar ترابيست-١c ar ترابيست-1 سي es Segundo planeta de TRAPPIST-1 fa تراپیست-۱سی th แทรปพิสต์-1ซี
🔖 Identifiers · 7
Image (Wikimedia Commons)
TRAPPIST-1c artist impression 2018.png ↗
Extrasolar Planets Encyclopaedia exoplanet ID
trappist_1_c--2631
Google Knowledge Graph ID
/g/11c1nc917_
NASA Exoplanet Archive ID
TRAPPIST-1 c
SIMBAD ID
TRAPPIST-1c
Vikidia article ID
fr:TRAPPIST-1_c
Wolfram Language entity code
Entity["Exoplanet", "TRAPPISTMinus1c"]
🔗 Connections
Constellation 1
Aquarius
Discovery method 1
transit method
Epoch 1
J2000.0
Instance of 1
exoplanet
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Summary

TRAPPIST-1 c is an exoplanet[1].

References

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

Direct Wikidata claims

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

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

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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 c. Retrieved October 30, 2026, from https://4ort.xyz/entity/trappist-1-c
MLA “TRAPPIST-1 c.” 4ort.xyz Knowledge Graph, 4ort.xyz, 30 Oct. 2026, https://4ort.xyz/entity/trappist-1-c.
BibTeX @misc{4ortxyz_trappist-1-c_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{TRAPPIST-1 c}}, year = {2026}, url = {https://4ort.xyz/entity/trappist-1-c}, note = {Accessed: 2026-10-30}}
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