Planet TRAPPIST-1 e

Name TRAPPIST-1 e
Planet Status Confirmed
Discovered in 2017
Mass 0.002 ( -0.0018 +0.0018 ) MJ
Mass*sin(i)
Semi-Major Axis 0.02817 ( -0.00087 +0.00083 ) AU
Orbital Period 6.099615 (± 1.1e-05) day
Eccentricity 0.0 (± 0.085)
ω
Tperi
Radius 0.0819 ( -0.0035 +0.0035 ) RJ
Inclination 89.86 ( -0.12 +0.1 ) deg
Update 2017-09-01
Detection Method Primary Transit
Mass Detection Method TTV
Radius Detection Method Primary Transit
Primary transit 2457660.37859 (± 0.00038) JD
Secondary transit
λ
Impact Parameter b 0.12 ( -0.09 +0.11 )
Time Vr=0
Velocity Semiamplitude K
Calculated temperature 251.3 (± 4.9) K
Measured temperature
Hottest point longitude
Geometric albedo
Surface gravity log(g/gH)
Alternate Names 2MASS J23062928-0502285 e

Star

TRAPPIST-1
Name TRAPPIST-1
Distance 12.1 (± 0.4) pc
Spectral type M8
Apparent magnitude V 18.8
Mass 0.08 (± 0.009) MSun
Age 0.5 Gyr
Effective temperature 2550.0 (± 55.0) K
Radius 0.117 (± 0.004) RSun
Metallicity [Fe/H] 0.04 (± 0.08)
Detected Disc
Magnetic Field
RA2000 23:06:29.0
Dec2000 -05:02:29
Alternate Names 2MASS J23062928-0502285
Planetary system
7 planets

Atmospheric parameters

Temperatures

Data Source Type Result Value Result Figure Notes Reference

Molecules

Molecule Data Source Type Result Value Result Figure Notes Reference
H2O Measurements Detected None 2017 - BOURRIER V.

Observability Predictor


Related publications

Modeling climate diversity, tidal dynamics and the fate of volatiles on TRAPPIST-1 planets
2018 TURBET M., BOLMONT E., LECONTE J., FORGET F., SELSIS F. et al.
Astron. & Astrophys., 612, A86
paper  arxiv   ADS  

Shadow Imaging of Transiting Objects
2018 SANDFORD E. & KIPPING D.
Astron J., accepted
arxiv

Interior Structures and Tidal Heating in the TRAPPIST-1 Planets
2018 BARR A., DOBOS V. & KISS L.
Astron. & Astrophys., 613, A37
paper  arxiv  

Habitability of exoplanet waterworlds
2018 KITE E. & FORD E.
ApJ, 864, 75
arxiv   paper  

Exoplanet-induced radio emission from M-dwarfs
2018 TURNPENNEY S., NICHOLS J., WYNN G. & BURLEIGH M.
ApJ, 854, 72
paper  arxiv  

Early 2017 observations of TRAPPIST-1 with Spitzer
2018 DELREZ L., GILLON M., TRIAUD A., DEMORY B.-O., de WIT J. et al.
MNRAS, 475, 3577
paper  arxiv  

Atmospheric reconnaissance of the habitable-zone Earth-sized planets orbiting TRAPPIST-1
2018 de WIT J., WAKEFORD H., LEWIS N., DELIREZ L., GILLON M. et al.
Nature Astronomy, in press
paper  arxiv  

The nature of the TRAPPIST-1 exoplanets
2018 GRIMM S., DEMORY B.-O., GILLON M., DORN C., AGOL E. et al.
Astron. & Astrophys., 613, A68
paper  arxiv  

The Near-Infrared Transmission Spectra of TRAPPIST-1 Planets b, c, d, e, f, and g and Stellar Contamination in Multi-Epoch Transit Spectra
2018 ZHANG Zh., ZHOU Y., RACKHAM B & APAI D.
Astron. J., 156, 178
paper  arxiv  

Cometary impactors on the TRAPPIST-1 planets can destroy all planetary atmospheres and rebuild secondary atmospheres on planets f, g, h
2018 KRAL Q., WYATT M., TRIAUD A., MARINO S., THEBAULT Ph. & SHORTTLE O.
MNRAS, 479, 2649
arxiv   ADS   PAPER  

The extremely truncated circumstellar disc of V410 X-ray 1: a precursor to TRAPPIST-1?
2018 BONEBERG D., FACCHINI S., CLARKE C., ILEE J., BOOTH R. & BRUDERER S.
MNRAS, 477, 325
paper  arxiv  

Dimensionality and integrals of motion of the Trappist-1 planetary system
2018 FLOSS J., REIN H. & BRUMER P.
MNRAS, 477, 4874
paper  arxiv  

Possible Bright Starspots on TRAPPIST-1
2018 MORRIS B., AGOL E., DAVENPORT J. & HAWLEY S.
ApJ, 857, 39
paper  arxiv  

Resonance Capture and Dynamics of 3-Planet Systems
2018 CHARALAMBUS C., MARTI J., BEAUGE C. & RAMOS X.
MNRAS, in press
paper  arxiv  

Energy Dissipation in the Upper Atmospheres of Trappist-1 Planets
2018 COHEN O., GLOCER A., GARRAFFO C., DRAKE J. & BELL J.
ApJ. Letters, accepted
arxiv  

Spin-orbital tidal dynamics and tidal heating in the TRAPPIST-1 multi-planet system
2018 MAKAROV V., BERGHEA C. & EFROIMSKY M.
ApJ, accepted
arxiv  

On the Biohabitability of M-dwarf Planets
2018 WANDEL A.
ApJ, 856, 165
paper  

TRAPPIST-1e Has a Large Iron Core
2018 SUISSA G. & KIPPING D.
Res. Notes AAS, accepted
arxiv  

Dynamical Constraints on Nontransiting Planets Orbiting TRAPPIST-1
2018 JONTOF-HUTTER D., TRUONG V., FORD E., ROBERTSON P. & TERRIEN R.
Astron. J., 155, 239
paper  

Polarization of Trappist-1 by the Transit of its Planets
2018 SENGUPTA S.
ApJ, 861, 41
arxiv   paper  

A Deep Radio Limit for the TRAPPIST-1 System
2018 PINEDA J. & HALLINAN G.
ApJ, 866, 155
paper  arxiv  

Updated Compositional Models of the TRAPPIST-1 Planets
2018 UNTERBORN, C, HINKEL, N; & S. DESCH
RNAAS, 2, 116
arxiv  paper   ADS  

The Impact of Stellar Distances on Habitable Zone Planets
2018 S. KANE
ApJL, 861, L21
arxiv    ADS  

The 0.8-4.55μm broadband transmission spectra of TRAPPIST-1 planets
2018 DUCROT, E., SESTOVIC, M. MORRIS, B. GILLON, M., TRIAUD, A. et al.
Astron. J., 156, 218
paper  arxiv  ADS  

Predicting the Orbit of TRAPPIST-1i
2018 KIPPING, D.
AAS Reseach Notes, 2, 136
arxiv  paper  

Interior characterization in multiplanetary systems: TRAPPIST-1
2018 DORN, C., MOSEGAARD, K., GRIMM, S. & Y. ALIBERT
ApJ, 865, 20
paper   arxiv   ADS  

Non-detection of Contamination by Stellar Activity in the Spitzer Transit Light Curves of TRAPPIST-1
2018 MORRIS, B., AGOL, E., HEBB, L., HAWLEY, S., GILLON, M. et al.
ApJL, 863, L32
paper   arxiv   ADS  

Detectability of Biosignatures in Anoxic Atmospheres with the James Webb Space Telescope: A TRAPPIST-1e Case Study
2018 KRISSANSEN-TOTTON, J., GARLAND, R., IRWIN, P. & D. CATLING
Astron. J., 156, 114
paper  arxiv  

Hydrohalite Salt-albedo Feedback Could Cool M-dwarf Planets
2018 SHIELDS, A. & R. CARNS
ApJ, 867, 11
paper   arxiv   ADS  

Physical constraints on the likelihood of life on exoplanets
2018 LINGAM, M. & A. LOEB
Int. J. of Astrobiol., 17, 116
paper  

Observing Oceans in Tightly Packed Planetary Systems: Perspectives from Polarization Modeling of the TRAPPIST-1 System
2018 KOPPARLA P., NATRAJ V., CRISP D., BOTT K., SWAIN M. et al.
Astron. J., 156, 143
paper  

Evolved Climates and Observational Discriminants for the TRAPPIST-1 Planetary System
2018 LINCOWSKI A., MEADOWS V., CRISP D., ROBINSON T., LUGER R. et al.
ApJ, 867, 76
arxiv  

Planet-Planet Tides in the TRAPPIST-1 System
2018 WRIGHT J.
Res. Notes AAS, 2, 175
paper   arxiv  

Impacts of dust feedback on a dust ring induced by a planet in a protoplanetary disk
2018 KANAGAWA K., MUTO T., OKUZUMI S., TANIGAWA T., TAKI T. & SHIBAIKE Y.
ApJ, accepted
arxiv  

Limits on Clouds and Hazes for the TRAPPIST-1 Planets
2018 MORAN S., HÖRST S., BATALHA N., LEWIS N. & WAKEFORD H.
Astron. J., 156, 252
paperarxiv  

Constraining the environment and habitability of TRAPPIST-1
2018 BOLMONT E.
in Proceeding of the SF2A (Société Française d'Astronomie et d'Astrophysique)
arxiv  

Optical Detection of Lasers with Near-term Technology at Interstellar Distances
2018 CLARK J. & CAHOY K.
ApJ, 867, 97
paper  

Magnetic Fields on the Flare Star Trappist-1: Consequences for Radius Inflation and Planetary Habitability
2018 MULLAN D., MacDONALD J., DIETRICH S. & FAUSEY H.
arxiv 

Seismicity on Tidally Active Solid-Surface Worlds
2018 HURFORD T., HENNING W., MAGUIRE R., LEKIC V., SCHMERR N. et al.
Icarus, submitted
arxiv  

Observability of hydrogen-rich exospheres in Earth-like exoplanets
2018 dos SANTOS L., BOURRIER V., EHRENREICH D. & KAMEDA Sh.
Astron. & Astrophys., accepted
arxiv

The TRAPPIST-1 system: Orbital evolution, tidal dissipation, formation and habitability
2017 PAPALOIZOU J., SZUSZKIEWICZ E. & TERQUEM C.
MNRAS, in press
paper  arxiv  

Seven temperate terrestrial planets around the nearby ultracool dwarf star TRAPPIST-1
2017 GILLON M., TRIAUD A., DEMORY B.-O. et al.
Nature, 542, 456
paper  arxiv   ADS

Theoretical Validation of Potential Habitability via Analytical and Boosted Tree Methods: An Optimistic Study on Recently Discovered Exoplanets
2017 SAHA S., BASAK S., BORA K., SAFONOVA M., AGRAWAL S. et al.
arxiv  

Habitability in Brown Dwarf Systems
2017 BOLMONT E.
in Handbook of Exoplanets (Springer)
arxiv  

Initiation of Plate Tectonics on Exoplanets with Significant Tidal Stress
2017 ZANAZZI J. & TRIAUD A.
Icarus, submitted
arxiv  

Enhanced interplanetary panspermia in the TRAPPIST-1 system
2017 LINGAM M. & LOEB A.
PNAS, submitted
arxiv  

Eclipse, transit and occultation geometry of planetary systems at exo-syzygy
2017 VERAS D. & BREEDT E.
MNRAS, 468, 2672
paper  arxiv  ADS

Exponential Distance Relation and Near Resonances in the Trappist-1 Planetary System
2017 PLETSER V. & BASANO L.
arxiv  

Assessing the Habitability of the TRAPPIST-1 System Using a 3D Climate Model
2017 WOLF E.
ApJ. Letters, 839, L1
paper  arxiv  ADS

Formation of TRAPPIST-1 and other compact systems
2017 ORMEL Ch., LIU B. & SCHOONENBERG D.
Astron. & Astrophys., 604, A1
paper  arxiv   paper   ADS  

Frequent flaring in the TRAPPIST-1 system - unsuited for life?
2017 VIDA K., KOVARI Z., PAL A., OLAH K. & KRISKOVICS L.
ApJ, submitted
arxiv  

A revolution is brewing: observations of TRAPPIST-1 exoplanetary system fosters a new biomarker
2017 TURBO-KING M., TANG B., HEBEERTABLE Z., CHOUFFE M., EXQUISIT B. & KEG-BEER L.
J. of Astrobiol.
arxiv  

Fast litho-panspermia in the habitable zone of the TRAPPIST-1 system
2017 KRIJT S., BOWLING T., LYONS R., & CIESLA F.
ApJ. Letters, 839, L21
paper  arxiv  ADS

Worlds Without Moons: Exomoon Constraints for Compact Planetary Systems
2017 KANE S.
ApJ. Letters, accepted
arxiv  

Plausible Compositions of the Seven TRAPPIST-1 Planets Using Long-term Dynamical Simulations
2017 QUARLES B., QUINTANA E., LOPEZ E., SCHLIEDER J. & BARCLAY Th.
ApJ. Letters, 842, L5
paper  arxiv  

Limits on the Stability of TRAPPIST-1
2017 TAMAYO D., REIN H., PETROVICH C. & MURRAY N.
ApJ, submitted
arxiv  

Updated Masses for the TRAPPIST-1 Planets
2017 WANG S., WU D.-H., BARVLAY Th. & LAUGHLIN G.
ApJ, submitted
arxiv  

Convergent Migration Renders TRAPPIST-1 Long-lived
2017 TAMAYO D., REIN H., PETROVICH C. & MURRAY N.
ApJ. Letters, 840, L19
paper  arxiv   ADS

Atmospheric escape from the TRAPPIST-1 planets and implications for habitability
2017 DONG Ch. JIN M., LINGAM M., AIRAPETIAN V., MA Y. &van der HOLST B.
arxiv  

On the Spin States of Habitable Zone Exoplanets Around M Dwarfs: The Effect of a Near-Resonant Companion
2017 VINSON A. & HANSEN B.
MNRAS, submitted
arxiv  

On the Age of the TRAPPIST-1 System
2017 BURGASSER A. & MAMAJEK E.
ApJ, 845, 110
paper  arxiv  

Constraining the Compositions of the TRAPPIST-1 Planets to Trace Snow Lines and Migration in M Dwarf Disks
2017 UNTERBORN C., DESCH S., HINKEL N. & LORENZO A.
ApJ
arxiv  

The Threatening Environment of the TRAPPIST-1 Planets
2017 GARRAFFO C., DRAKE J., COHEN O., ALVARO-GOMEZ J. & MOSCHOU S.
ApJ Lett, 843, L33
paper  arxiv  

Comparative Climates of TRAPPIST-1 planetary system: results from a simple climate-vegetation model
2017 ALBERTI T., CARBONE V., LEPRETI F. & VECCHIO A.
ApJ, accepted
arxiv  

Reconnaissance of the TRAPPIST-1 exoplanet system in the Lyman-α line
2017 BOURRIER, V., EHRENREICH, D., WHEATLEY, P. & 7 additional authors
Astron. & Astrophys., 599, L3
arxiv  paper   ADS  

Comparative Climates of the Trappist-1 Planetary System: Results from a Simple Climate-vegetation Model
2017 TOMMASO, A., CARBONE, V., LEPRETI F. & A. VECCHIO
ApJ, 844, 19
arxiv  paper   ADS  

Reduced Diversity of Life Around Proxima Centauri and TRAPPIST-1
2017 LINGAM M. & LOEB A.
ApJ, 846, L21
paper  arxiv   ADS  

Astrometric Constraints on the Masses of Long-Period Gas Giant Planets in the TRAPPIST-1 Planetary System
2017 BOSS A., WEINBERGER A., KEISER S., ASTRAATMADJA T., ANGLADA-ESCUDE G. & THOMPSON I.
Astron. J., 154, 103
arxiv   paper   ADS  

Temporal evolution of the high-energy irradiation and water content of TRAPPIST-1 exoplanets
2017 BOURRIER V., de WIT J., BOLMONT E., STAMENKOVIC V., WHEATLEY P. et al.
Astron. J., 154, 121
paper  arxiv  

Anti-correlation between multiplicity and orbital properties in exoplanetary systems as a possible record of their dynamical histories
2017 ZINZI A. & TURINI D.
Astron. & Astrophys., in press
paper  arxiv  

The Science Case for an Extended Spitzer Mission
2017 YEE J., FAZIO G., BENJAMIN R., KIRKPATRICK D., MALKAN M. et al.
arxiv  

Magma oceans and enhanced volcanism on TRAPPIST-1 planets due to induction heating
2017 KISLAKOVA K., NOACK L., JOHNSTONE C., ZITSEV V., FOSSATI L. et al.
Nature Astronomy, in press
paper   arxiv  

The Stellar Activity of TRAPPIST-1 and Consequences for the Planetary Atmospheres
2017 ROETTENBACHER R. & KANE S.
ApJ, 851, 77
paper  arxiv  

Refraction in exoplanet atmospheres: Photometric signatures, implications for transmission spectroscopy, and search in Kepler data
2017 ALP D. & DEMORY B.-O.
Astron. & Astrophys., 609, A90
paper  arxiv  

The Transit Light Source Problem: False Spectral Features and Incorrect Densities for M Dwarf Transiting Planets
2017 RACKHAM B., APAI D. & GIAMPAPA M.
ApJ, submitted
arxiv  

Planet-Planet Occultations in TRAPPIST-1 and Other Exoplanet Systems
2017 LUGER R., LUSTIG-YAEGER J. & AGOL E.
ApJ, 851, 94
paper  arxiv  

Stellar parameters for TRAPPIST-1
2016 VAN GROOTEL V., FERNANDES C., GILLON M., JEHIN E., MANFROID J. et al.
ApJ, 853, 30
paper  arxiv  

Temperate Earth-sized planets transiting a nearby ultracool dwarf star
2016 GILLON M., JEHIN E., LEDERER S., DELREZ L., de WIT J. et al.
Nature, 533, 221
paper  arxiv   ADS