Key parameters at a glance

A radius of 1.22 Earth radii
A mass of 1.98 Earth masses
Surface gravity around 1.33 g
An orbital period of 4.370 days
Semi-major axis 0.0487 AU
Distance from Earth 848.12 light-years
Earth Similarity Index 0.937
Travel time at Voyager 1 speed 14,956,649 years
Almost certainly tidally locked to its host star given the close orbit

1 sibling around K2-414

K2-414 b shares its host star with 1 other confirmed planet. Side-by-side measurements below.

Planet	Type	Radius (R⊕)	Mass (M⊕)	Period (d)	Eq. T (K)	Year
K2-414 b this	Rocky Terrestrial	1.22	1.98	4.370	—	2022
K2-414 c	Super-Earth	1.93	4.38	6.669	—	2022

K2-414 b Planet Profile

Physical Specs

Radius

1.22 R⊕

Radius (Jupiter)

0.109 R♃

Mass

1.98 M⊕

Mass (Jupiter)

0.006 M♃

Density

6.01 g/cm³

Surface Gravity

1.33 g (Earth)

Classification

Planet Type

Rocky Terrestrial

ESI Score 0.937

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

#50of 570

top 8.6%

This planet

1.22R⊕

Rocky Terrestrial median

1.01R⊕

Nearest-size peers

Kepler-495 c 1.22 R⊕ Kepler-197 d 1.22 R⊕ Kepler-295 b 1.22 R⊕

Metric	Earth	K2-414 b	Jupiter
Radius (R⊕)	1.00	1.22	11.21
Mass (M⊕)	1.00	1.98	317.83
Density (g/cm³)	5.51	6.01	1.33
Surface Gravity (g)	1.00	1.33	2.53
Insolation (S⊕)	1.00	72.11	0.037

Star Catalogue Identifiers

TIC

TIC 301288279

Gaia DR2

Gaia DR2 2634046753364013440

Gaia DR3

Gaia DR3 2634046753364013440

System

K2-414

Percentile among Rocky Terrestrial cohort

Radius 1.219 R⊕ · percentile 91 / cohort 570

Mass 1.980 M⊕ · percentile 83 / cohort 570

Orbital period 4.37 d · percentile 48 / cohort 567

Distance 260.04 pc · percentile 37 / cohort 566

ESI 0.937 · percentile 92 / cohort 570

Orbit & Habitability

Orbital Dynamics

Period

4.370 days

Semi-major axis

0.0487 AU

Eccentricity

—

Inclination

90.00 °

Year Length

A year here lasts approximately 4.37 Earth days (1.2% of a terrestrial year) at a mean orbital distance of 0.0487 AU.

Eq. Temperature

—

Insolation (S⊕)

72.11

Earth = 1.00

Earth Similarity (ESI)

0.937

0 = alien, 1 = Earth-identical

Inside the inner HZ boundary (too hot for liquid water). Close-orbiting tidally-locked around a cool host.

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).

K2-411 b · Rocky Terrestrial 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 K2-368 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: K2-414

Spectral Class

K-type orange

Effective Temperature

4,343 K — cooler than the Sun (5,778 K)

Estimated Age

—

Stellar Radius

0.732 R☉

Stellar Mass

0.814 M☉

Metallicity [Fe/H]

-0.10

Extended Stellar Properties

Surface gravity (log g)

4.621 dex

Stellar density

2.291 g/cm³

Metallicity ratio

[Fe/H]

Distance

260.04 parsec

Light-years 848.12 ly

V-band magnitude

14.29 mag

Voyager-speed travel 14,956,649 yr

Multi-band Host Photometry — 12 bands

Astrometric Data

Parallax

3.817 mas

Total Proper Motion

18.392 mas/yr

PM Right Ascension

-5.40 mas/yr

PM Declination

-17.58 mas/yr

Galactic Cartesian (pc)

x = 0.986 · y = -0.145 · z = -0.080

Equatorial (J2000)

RA 351.63619° · Dec -4.60666°

Galactic ℓ, b

77.239° · -59.720°

Ecliptic λ, β

350.499° · -0.918°

HTM-20 index

-1463750136