(Q24908933)

Seven temperate terrestrial planets around the nearby ultracool dwarf star TRAPPIST-1

Temperate Earth-sized planets transiting a nearby ultracool dwarf star

A combined transmission spectrum of the Earth-sized exoplanets TRAPPIST-1 b and c.

Refining the Transit-timing and Photometric Analysis of TRAPPIST-1: Masses, Radii, Densities, Dynamics, and Ephemerides

unconfirmed exoplanet

2 references

SIMBAD

Temperate Earth-sized planets transiting a nearby ultracool dwarf star

image

TRAPPIST-1c artist impression 2018.png
800 × 800; 292 KB

media legend

Artist's impression of the exoplanet TRAPPIST-1c (English)

0 references

mass

1.38±0.61 Earth mass

1 reference

Seven temperate terrestrial planets around the nearby ultracool dwarf star TRAPPIST-1

1.156±0.142 Earth mass

1 reference

1.308±0.056 Earth mass

1 reference

Refining the Transit-timing and Photometric Analysis of TRAPPIST-1: Masses, Radii, Densities, Dynamics, and Ephemerides

0.00434±0.0019 Jupiter mass

1 reference

Revised mass-radius relationships for water-rich rocky planets more irradiated than the runaway greenhouse limit

named after

Trappist Cistercian monk

0 references

catalog code

K2-112c

1 reference

Ecliptic Plane Input Catalog

SIMBAD

TRAPPIST-1c

1 reference

K2-112c

1 reference

EPIC 246199087c

1 reference

TIC 278892590c

1 reference

time of discovery or invention

2 May 2016

0 references

May 2016

reason for deprecated rank

item/value with less precision and/or accuracy

1 reference

Temperate Earth-sized planets transiting a nearby ultracool dwarf star

Temperate Earth-sized planets transiting a nearby ultracool dwarf star

2 references

inferred from equatorial coordinates

constellation

Aquarius

1 reference

based on heuristic

parent astronomical body

TRAPPIST-1

3 references

Temperate Earth-sized planets transiting a nearby ultracool dwarf star

object stated in reference as

TRAPPIST-1

SIMBAD

object stated in reference as

2MASS J23062928-0502285

argument of periapsis

282.45±17.1 degree

1 reference

orbital eccentricity

0±0.083

2 references

Seven temperate terrestrial planets around the nearby ultracool dwarf star TRAPPIST-1

reason for deprecated rank

0

item/value with less precision and/or accuracy

1 reference

Temperate Earth-sized planets transiting a nearby ultracool dwarf star

0.083

1 reference

Seven temperate terrestrial planets around the nearby ultracool dwarf star TRAPPIST-1

0.00654±0.00188

1 reference

orbital inclination

89.5±0.31 degree

1 reference

Temperate Earth-sized planets transiting a nearby ultracool dwarf star

89.58±0.11 degree

1 reference

A combined transmission spectrum of the Earth-sized exoplanets TRAPPIST-1 b and c.

89.778±0.118 degree

1 reference

Refining the Transit-timing and Photometric Analysis of TRAPPIST-1: Masses, Radii, Densities, Dynamics, and Ephemerides

89.47±0.24 degree

1 reference

TRAPPIST-1: Global results of the Spitzer Exploration Science Program Red Worlds

89.67±0.17 degree

1 reference

Seven temperate terrestrial planets around the nearby ultracool dwarf star TRAPPIST-1

orbital period

2.42180746±0.00000091 day

1 reference

Early 2017 observations of TRAPPIST-1 with Spitzer

2.421848±0.000028 day

1 reference

Temperate Earth-sized planets transiting a nearby ultracool dwarf star

2.421937±0.000018 day

1 reference

Refining the Transit-timing and Photometric Analysis of TRAPPIST-1: Masses, Radii, Densities, Dynamics, and Ephemerides

2.42179346±0.00000023 day

1 reference

TRAPPIST-1: Global results of the Spitzer Exploration Science Program Red Worlds

2.4218233±0.0000017 day

1 reference

Seven temperate terrestrial planets around the nearby ultracool dwarf star TRAPPIST-1

semi-major axis of an orbit

0.01522±0.00055 astronomical unit

1 reference

Temperate Earth-sized planets transiting a nearby ultracool dwarf star

0.01581512±0.00000015 astronomical unit

1 reference

0.0158±0.00013 astronomical unit

1 reference

Refining the Transit-timing and Photometric Analysis of TRAPPIST-1: Masses, Radii, Densities, Dynamics, and Ephemerides

0.01579±0.00014 astronomical unit

1 reference

TRAPPIST-1: Global results of the Spitzer Exploration Science Program Red Worlds

0.01521±0.00047 astronomical unit

1 reference

Seven temperate terrestrial planets around the nearby ultracool dwarf star TRAPPIST-1

declination component of proper motion

parallax

80.4512±0.1211 milliarcsecond

2 references

−479.403±0.174 milliarcsecond per year

2 references

right ascension component of proper motion

930.879±0.247 milliarcsecond per year

2 references

341.9 kelvin

sourcing circumstances

mean

1 reference

Extrasolar Planets Encyclopaedia exoplanet ID

TRAPPIST-1 c

radius

1.049±0.05 Earth radius

1 reference

Temperate Earth-sized planets transiting a nearby ultracool dwarf star

1.056±0.035 Earth radius

1 reference

Seven temperate terrestrial planets around the nearby ultracool dwarf star TRAPPIST-1

1.095±0.031 Earth radius

1 reference

1.097±0.014 Earth radius

1 reference

Refining the Transit-timing and Photometric Analysis of TRAPPIST-1: Masses, Radii, Densities, Dynamics, and Ephemerides

0.09421±0.00031 Jupiter radius

1 reference

Revised mass-radius relationships for water-rich rocky planets more irradiated than the runaway greenhouse limit

3 references