Key parameters at a glance

A radius of 0.99 Earth radii
A mass of 0.94 Earth masses
Surface gravity around 0.96 g
An orbital period of 3.214 days
Semi-major axis 0.0511 AU
Distance from Earth 972.66 light-years
Earth Similarity Index 0.989
Travel time at Voyager 1 speed 17,152,843 years

K2-411 b Planet Profile

Physical Specs

Radius

0.99 R⊕

Radius (Jupiter)

0.088 R♃

Mass

0.94 M⊕

Mass (Jupiter)

0.003 M♃

Density

5.31 g/cm³

Surface Gravity

0.96 g (Earth)

Classification

Planet Type

Rocky Terrestrial

ESI Score 0.989

HZ Position Inner

Controversial No

Discovery

Year 2022

Method Transit

Facility K2

Telescope 0.95 m Kepler Telescope

Size rank in cohort

Rank by radius

#352of 570

top 61.6%

This planet

0.99R⊕

Rocky Terrestrial median

1.01R⊕

Nearest-size peers

TOI-5388.01 0.99 R⊕ EPIC 220492298 b 0.99 R⊕ Kepler-381 b 0.99 R⊕

Metric	Earth	K2-411 b	Jupiter
Radius (R⊕)	1.00	0.99	11.21
Mass (M⊕)	1.00	0.94	317.83
Density (g/cm³)	5.51	5.31	1.33
Surface Gravity (g)	1.00	0.96	2.53
Insolation (S⊕)	1.00	619.04	0.037

Star Catalogue Identifiers

TIC

TIC 440701570

Gaia DR2

Gaia DR2 50884474718017408

Gaia DR3

Gaia DR3 50884474718017408

System

K2-411

Percentile among Rocky Terrestrial cohort

Radius 0.990 R⊕ · percentile 38 / cohort 570

Mass 0.937 M⊕ · percentile 34 / cohort 570

Orbital period 3.21 d · percentile 36 / cohort 567

Distance 298.22 pc · percentile 41 / cohort 566

ESI 0.989 · percentile 98 / cohort 570

Orbit & Habitability

Orbital Dynamics

Period

3.214 days

Semi-major axis

0.0511 AU

Eccentricity

—

Inclination

90.00 °

Year Length

A year here lasts approximately 3.21 Earth days (0.9% of a terrestrial year) at a mean orbital distance of 0.0511 AU.

Eq. Temperature

—

Insolation (S⊕)

619.04

Earth = 1.00

Earth Similarity (ESI)

0.989

0 = alien, 1 = Earth-identical

Discovery Paper

Primary reference

Del Ser et al. 2022

Instrument

Kepler CCD Array

Publication

2022-10

Observation locale

Space

Discovery cohort

Planets confirmed in 2022 at K2 (12 shown).

K2-381 b · Rocky Terrestrial K2-384 b · Rocky Terrestrial K2-400 b · Rocky Terrestrial K2-384 c · Rocky Terrestrial K2-369 b · Super-Earth K2-407 b · Super-Earth K2-414 b · Rocky Terrestrial K2-368 b · Super-Earth K2-413 c · Rocky Terrestrial K2-384 e · Super-Earth K2-407 c · Super-Earth K2-368 c · Super-Earth

Host System: K2-411

Spectral Class

G-type yellow (Sun-like)

Effective Temperature

5,711 K — cooler than the Sun (5,778 K)

Estimated Age

—

Stellar Radius

1.375 R☉

Stellar Mass

1.018 M☉

Metallicity [Fe/H]

0.14

Extended Stellar Properties

Surface gravity (log g)

4.169 dex

Stellar density

0.552 g/cm³

Metallicity ratio

[Fe/H]

Distance

298.22 parsec

Light-years 972.66 ly

V-band magnitude

12.27 mag

Voyager-speed travel 17,152,843 yr

Multi-band Host Photometry — 12 bands

Astrometric Data

Parallax

3.325 mas

Total Proper Motion

62.426 mas/yr

PM Right Ascension

39.50 mas/yr

PM Declination

-48.34 mas/yr

Galactic Cartesian (pc)

x = 0.500 · y = 0.800 · z = 0.332

Equatorial (J2000)

RA 58.00363° · Dec 19.39099°

Galactic ℓ, b

171.084° · -26.151°

Ecliptic λ, β

60.006° · -0.779°

HTM-20 index

-1983304480