Key parameters at a glance

A radius of 1.74 Earth radii
A mass of 3.66 Earth masses
Surface gravity around 1.21 g
An orbital period of 5.776 days
Distance from Earth 527.10 light-years
Earth Similarity Index 0.838
Travel time at Voyager 1 speed 9,295,421 years

K2-376 b Planet Profile

Physical Specs

Radius

1.74 R⊕

Radius (Jupiter)

0.155 R♃

Mass

3.66 M⊕

Mass (Jupiter)

0.012 M♃

Density

3.84 g/cm³

Surface Gravity

1.21 g (Earth)

Classification

Planet Type

Super-Earth

ESI Score 0.838

HZ Position Unknown

Controversial No

Discovery

Year 2022

Method Transit

Facility K2

Telescope 0.95 m Kepler Telescope

Size rank in cohort

Rank by radius

#352of 1176

top 29.8%

This planet

1.74R⊕

Super-Earth median

1.60R⊕

Nearest-size peers

Kepler-1856 b 1.73 R⊕ TOI-5799 b 1.73 R⊕ LHS 1903 e 1.73 R⊕

Metric	Earth	K2-376 b	Jupiter
Radius (R⊕)	1.00	1.74	11.21
Mass (M⊕)	1.00	3.66	317.83
Density (g/cm³)	5.51	3.84	1.33
Surface Gravity (g)	1.00	1.21	2.53
Insolation (S⊕)	1.00	—	0.037

Star Catalogue Identifiers

TIC

TIC 117414377

Gaia DR2

Gaia DR2 690025807939789184

Gaia DR3

Gaia DR3 690025807939789184

System

K2-376

Percentile among Super-Earth cohort

Radius 1.736 R⊕ · percentile 70 / cohort 1176

Mass 3.660 M⊕ · percentile 64 / cohort 1176

Orbital period 5.78 d · percentile 45 / cohort 1164

Distance 161.61 pc · percentile 21 / cohort 1171

ESI 0.838 · percentile 92 / cohort 1176

Orbit & Habitability

Orbital Dynamics

Period

5.776 days

Semi-major axis

— AU

Eccentricity

—

Inclination

— °

Year Length

A year here lasts approximately 5.78 Earth days (1.6% of a terrestrial year).

Transit Fingerprint

Duration

2.100 h

Impact parameter b

0.854

Rp / R★

0.013800

Transit midpoint (BJD)

2,458,096.7426

Extended Orbital Architecture

Planet / star radius ratio

0.013800

Semi-major axis / stellar radius

11.580

Impact parameter (b)

0.854

Transit mid-time (BJD)

2,458,096.7426

Eq. Temperature

—

Insolation (S⊕)

—

Earth = 1.00

Earth Similarity (ESI)

0.838

0 = alien, 1 = Earth-identical

Discovery Paper

Primary reference

Christiansen et al. 2022

Instrument

Kepler CCD Array

Publication

2022-03

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

Host System: K2-376

Spectral Class

G-type yellow (Sun-like)

Effective Temperature

5,937 K — hotter than the Sun (5,778 K)

Estimated Age

—

Stellar Radius

1.149 R☉

Stellar Mass

0.908 M☉

Metallicity [Fe/H]

-0.18

Extended Stellar Properties

Surface gravity (log g)

4.275 dex

Stellar density

1.087 g/cm³

Metallicity ratio

[Fe/H]

Distance

161.61 parsec

Light-years 527.10 ly

V-band magnitude

10.42 mag

Voyager-speed travel 9,295,421 yr

Multi-band Host Photometry — 12 bands

Astrometric Data

Parallax

6.159 mas

Total Proper Motion

71.322 mas/yr

PM Right Ascension

-70.88 mas/yr

PM Declination

-7.91 mas/yr

Galactic Cartesian (pc)

x = -0.615 · y = 0.666 · z = 0.423

Equatorial (J2000)

RA 132.71933° · Dec 25.03808°

Galactic ℓ, b

200.656° · 36.473°

Ecliptic λ, β

128.268° · 7.095°

HTM-20 index

942404125