Key parameters at a glance

A radius of 2.60 Earth radii
A mass of 7.27 Earth masses
Surface gravity around 1.08 g
An orbital period of 14.648 days
Distance from Earth 1,206.41 light-years
Earth Similarity Index 0.690
Travel time at Voyager 1 speed 21,275,073 years

2 siblings around EPIC 206024342

EPIC 206024342 d shares its host star with 2 other confirmed planets. Side-by-side measurements below.

Planet	Type	Radius (R⊕)	Mass (M⊕)	Period (d)	Eq. T (K)	Year
EPIC 206024342 c	Super-Earth	1.40	2.54	0.912	—	2021
EPIC 206024342 b	Super-Earth	1.70	3.53	4.508	—	2019
EPIC 206024342 d this	Sub-Neptune	2.60	7.27	14.648	—	2021

EPIC 206024342 d Planet Profile

Physical Specs

Radius

2.60 R⊕

Radius (Jupiter)

0.232 R♃

Mass

7.27 M⊕

Mass (Jupiter)

0.023 M♃

Density

2.27 g/cm³

Surface Gravity

1.08 g (Earth)

Classification

Planet Type

Sub-Neptune

ESI Score 0.690

HZ Position Unknown

Controversial No

Discovery

Year 2021

Method Transit

Facility K2

Telescope 0.95 m Kepler Telescope

Size rank in cohort

Rank by radius

#1017of 1978

top 51.4%

This planet

2.60R⊕

Sub-Neptune median

2.71R⊕

Nearest-size peers

K2-155 c 2.60 R⊕ Kepler-84 e 2.60 R⊕ Kepler-115 c 2.60 R⊕

Metric	Earth	EPIC 206024342 d	Jupiter
Radius (R⊕)	1.00	2.60	11.21
Mass (M⊕)	1.00	7.27	317.83
Density (g/cm³)	5.51	2.27	1.33
Surface Gravity (g)	1.00	1.08	2.53
Insolation (S⊕)	1.00	—	0.037

Star Catalogue Identifiers

TIC

TIC 75266189

Gaia DR2

Gaia DR2 6839540362940861568

Gaia DR3

Gaia DR3 6839540362940861568

System

EPIC 206024342

Percentile among Sub-Neptune cohort

Radius 2.600 R⊕ · percentile 48 / cohort 1978

Mass 7.270 M⊕ · percentile 44 / cohort 1978

Orbital period 14.65 d · percentile 50 / cohort 1946

Distance 369.89 pc · percentile 39 / cohort 1975

ESI 0.690 · percentile 92 / cohort 1978

Orbit & Habitability

Orbital Dynamics

Period

14.648 days

Semi-major axis

— AU

Eccentricity

—

Inclination

90.00 °

Year Length

A year here lasts approximately 14.65 Earth days (4.0% of a terrestrial year).

Transit Fingerprint

Depth

0.087 %

Duration

4.008 h

Impact parameter b

0.940

Rp / R★

0.021700

Transit midpoint (BJD)

2,456,985.4751

Photometric dip

Transit produces a flux drop of 872 ppm lasting ≈ 4.01 h.

Extended Orbital Architecture

Planet / star radius ratio

0.021700

Semi-major axis / stellar radius

29.000

Impact parameter (b)

0.940

Transit mid-time (BJD)

2,456,985.4751

Eq. Temperature

—

Insolation (S⊕)

—

Earth = 1.00

Earth Similarity (ESI)

0.690

0 = alien, 1 = Earth-identical

Discovery Paper

Primary reference

Adams et al. 2021

Instrument

Kepler CCD Array

Publication

2021-08

Observation locale

Space

Discovery cohort

Planets confirmed in 2021 at K2 (12 shown).

EPIC 220492298 b · Rocky Terrestrial EPIC 206042996 c · Rocky Terrestrial EPIC 212624936 b · Rocky Terrestrial EPIC 206024342 c · Super-Earth EPIC 201427007 b · Super-Earth K2-332 b · Sub-Neptune EPIC 212624936 c · Sub-Neptune K2-345 b · Sub-Neptune K2-349 b · Super-Earth K2-343 c · Sub-Neptune K2-346 b · Sub-Neptune K2-336 b · Rocky Terrestrial

Host System: EPIC 206024342

Spectral Class

G-type yellow (Sun-like)

Effective Temperature

5,724 K — cooler than the Sun (5,778 K)

Estimated Age

—

Stellar Radius

1.100 R☉

Stellar Mass

0.928 M☉

Metallicity [Fe/H]

-0.22

Extended Stellar Properties

Surface gravity (log g)

4.500 dex

Stellar density

2.383 g/cm³

Metallicity ratio

[Fe/H]

Distance

369.89 parsec

Light-years 1,206.41 ly

V-band magnitude

13.10 mag

Voyager-speed travel 21,275,073 yr

Multi-band Host Photometry — 12 bands

Astrometric Data

Parallax

2.675 mas

Total Proper Motion

35.632 mas/yr

PM Right Ascension

-18.37 mas/yr

PM Declination

-30.53 mas/yr

Galactic Cartesian (pc)

x = 0.850 · y = -0.466 · z = -0.244

Equatorial (J2000)

RA 331.27714° · Dec -14.12180°

Galactic ℓ, b

42.944° · -49.187°

Ecliptic λ, β

328.326° · -2.205°

HTM-20 index

1505357406