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TOI-2136 b is a Neptune-like exoplanet (an ice giant with a thick atmosphere), about 2.2 times the radius of Earth. It has an equilibrium temperature of 395 K (122°C). The planet completes one orbit around its star every 7.9 Earth days. It was discovered in 2022 using the transit method. It orbits the M-type star TOI-2136, located approximately 33 parsecs (109 light-years) from Earth.
2022
Discovered
6.4
Earth Masses
2.19
Earth Radii
395
Temperature (K)
Discovery Information
Discovery MethodTransit
Discovery Year2,022
Discovery FacilityTransiting Exoplanet Survey Satellite (TESS)
Orbital Properties
Orbital Period7.8519 days
Semi-Major Axis0.057 AU
Eccentricity0
Inclination89.4 deg
Physical Properties
Mass (Jupiter)0.02 MJ
Mass (Earth)6.37 M⊕
Radius (Jupiter)0.1954 RJ
Radius (Earth)2.19 R⊕
Density3.34 g/cm3
Eq. Temperature395 K
Insolation Flux4 S⊕
Planetary Extremes
Where TOI-2136 b sits on the spectrum of all known exoplanets.
Mass6.4 M⊕
FeatherweightColossus
Radius2.19 R⊕
TinyEnormous
Temperature395 K
FrozenInferno
Year Length7.9 days
LightningGlacial
Density3.34 g/cm³
FluffyIron-dense
Star Distance0.057 AU
ScorchedFrozen exile
Star System View
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Size Comparison
2.19x Earth's radius (0.20x Jupiter)
Orbit Comparison
Earth: 365.25 days (1 AU)TOI-2136 b: 7.9 Earth days (0.057 AU)
Host Star: TOI-2136
Spectral TypeM4.5 V
Effective Temperature3,342 K
Mass0.34 M☉
Radius0.34 R☉
Size vs Sun2.94x smaller
Luminosity0.013 L☉
Luminosity vs Sun76.9x dimmer
Metallicity [Fe/H]0.03
Distance (pc)33.3631 pc
Distance (ly)108.8 light-years
Planets in the TOI-2136 System
What If You Lived Here?
93.0 kg
Your weight (from 70 kg)
1.33g
Heavy
Every step takes effort. Climbing stairs is exhausting.
7.9 Earth days
Year length
Red sunrise
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