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Entering orbit…
Habitability
5/ 100
Uninhabitable

K2-162 b

Rocky TerrestrialUninhabitable404 light years awayFound 2018

K2-162 b, from the NASA Exoplanet Archive (found 2018). Measured: 2.67 Earth masses, 0.0795 AU, a 4842 K K-type star. Composition inferred from a measured bulk density of 0.89x Earth's, which is rock and iron, with a day locked to its 9.5-day year, as anything orbiting this close would be.

Host star

K2-162

Type
K-type (Orange)
Temperature
4,842 K
Radius
0.69 ☉
Mass
0.75 ☉
Known planets
1 (this one)
Luminosity
0.220 ☉

Published by the NASA Exoplanet Archive. This world’s temperature and habitability score are computed from this star’s measured luminosity, not from a stand-in for its class.

Rocky Terrestrial

High Activity
Why is this a Rocky Terrestrial?Your planet is dominated by silicate (25.0%) and iron (12.5%) content, forming a rocky terrestrial body.
Rocky terrestrial planets are primarily composed of silicate rocks and metals. They're the most common type of small planet in the universe.
Classification Criteria:
✓ Silicon: 25.0% + Iron: 12.5% + Magnesium: 3.8%✓ Mass: 2.7x Earth (terrestrial range)
Further reading
The Little Book of ExoplanetsJoshua WinnHow these worlds are found, and what a measurement can honestly tell us.Exoplanets: Diamond Worlds, Super Earths, Pulsar PlanetsMichael Summers & James TrefilThe strange end of the catalogue — carbon worlds, molten rock, planets orbiting dead stars.Envisioning ExoplanetsMichael CarrollWhat these worlds might look like from the ground, painted from the same measurements this page renders.Imagined LifeJames Trefil & Michael SummersWhat could live on a world like this one: ice shells, supergravity, tidally locked twilight.
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Habitability ScoreUninhabitable
5
Contributing Factors
temperature5
Scorching - hot enough to melt lead, though rock stays solid; no chance for life
atmosphere42
Nitrogen atmosphere provides protection but not breathable (partially stripped by slow rotation)
water8
Limited water content - boiling away, little would be retained
magnetic Field30
No magnetic field - vulnerable to solar radiation
geology90
Active geology recycles nutrients and drives carbon cycle
Organic Chemistry80
Core organic elements (CHNO) present
rotation30
Very slow rotation - extreme temperature swings between eternal day and night sides

Physical Properties

Mass
2.67x Earth (1.59e+25 kg)
Radius
1.39x Earth (8,838 km)
This planet: 1.39× Earth radiusEarth: 1× (baseline)
Surface Gravity
1.39x Earth (13.6 m/s²)
Surface Temperature
685 K (412 °C / 774 °F)
Rotation Period
227.0 hours/day (slower than Earth)
This planet: 227 h/dayEarth: 24 h/day

Orbital Environment

Star Type
K-type (Orange)
Distance from Star
0.08 AU (11.9 million km)
Orbital Period
10 days

Atmosphere

Thin CO₂ and nitrogen atmosphere

Elemental Composition

O - Oxygen
31.3%
Si - Silicon
25.0%
Fe - Iron
12.5%

Surface Characteristics

Rocky surface with impact craters, possible volcanic features
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