Key parameters at a glance

A radius of 1.60 Earth radii
A mass of 3.19 Earth masses
Surface gravity around 1.25 g
An orbital period of 0.705 days
Distance from Earth 1,618.68 light-years
Earth Similarity Index 0.868
Travel time at Voyager 1 speed 28,545,356 years

1 sibling around K2-282

EPIC 220554210 c 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
EPIC 220554210 c this	Super-Earth	1.60	3.19	0.705	—	2019
K2-282 b	Sub-Neptune	2.50	6.80	4.170	1,057	2018

EPIC 220554210 c Planet Profile

Physical Specs

Radius

1.60 R⊕

Radius (Jupiter)

0.143 R♃

Mass

3.19 M⊕

Mass (Jupiter)

0.010 M♃

Density

4.28 g/cm³

Surface Gravity

1.25 g (Earth)

Classification

Planet Type

Super-Earth

ESI Score 0.868

HZ Position Unknown

Controversial No

Discovery

Year 2019

Method Transit

Facility K2

Telescope 0.95 m Kepler Telescope

Size rank in cohort

Rank by radius

#570of 1176

top 48.4%

This planet

1.60R⊕

Super-Earth median

1.60R⊕

Nearest-size peers

Kepler-49 d 1.60 R⊕ Kepler-394 b 1.60 R⊕ Kepler-114 c 1.60 R⊕

Metric	Earth	EPIC 220554210 c	Jupiter
Radius (R⊕)	1.00	1.60	11.21
Mass (M⊕)	1.00	3.19	317.83
Density (g/cm³)	5.51	4.28	1.33
Surface Gravity (g)	1.00	1.25	2.53
Insolation (S⊕)	1.00	—	0.037

Star Catalogue Identifiers

TIC

TIC 266030192

Gaia DR2

Gaia DR2 2580848395082660992

Gaia DR3

Gaia DR3 2580848395082660992

System

K2-282

Percentile among Super-Earth cohort

Radius 1.600 R⊕ · percentile 50 / cohort 1176

Mass 3.190 M⊕ · percentile 46 / cohort 1176

Orbital period 0.71 d · percentile 3 / cohort 1164

Distance 496.29 pc · percentile 47 / cohort 1171

ESI 0.868 · percentile 95 / cohort 1176

Orbit & Habitability

Orbital Dynamics

Period

0.705 days

Semi-major axis

— AU

Eccentricity

—

Inclination

91.30 °

Year Length

A year here lasts roughly 16.9 hours long.

Transit Fingerprint

Depth

0.026 %

Duration

1.704 h

Impact parameter b

0.250

Rp / R★

0.014500

Transit midpoint (BJD)

2,457,466.1131

Photometric dip

Transit produces a flux drop of 262 ppm lasting ≈ 1.70 h.

Extended Orbital Architecture

Planet / star radius ratio

0.014500

Semi-major axis / stellar radius

3.000

Impact parameter (b)

0.250

Transit mid-time (BJD)

2,457,466.1131

Eq. Temperature

—

Insolation (S⊕)

—

Earth = 1.00

Earth Similarity (ESI)

0.868

0 = alien, 1 = Earth-identical

Discovery Paper

Primary reference

Heller et al. 2019

Instrument

Kepler CCD Array

Publication

2019-07

Observation locale

Space

Discovery cohort

Planets confirmed in 2019 at K2 (12 shown).

EPIC 206032309 b · Rocky Terrestrial EPIC 201833600 c · Rocky Terrestrial EPIC 206215704 b · Rocky Terrestrial EPIC 201754305 d · Rocky Terrestrial EPIC 201841433 b · Rocky Terrestrial EPIC 206317286 b · Rocky Terrestrial EPIC 201615463 c · Rocky Terrestrial EPIC 212499991 b · Super-Earth EPIC 201497682 b · Rocky Terrestrial K2-133 e · Super-Earth EPIC 206024342 b · Super-Earth EPIC 206042996 b · Super-Earth

Host System: K2-282

Spectral Class

G-type yellow (Sun-like)

Effective Temperature

5,499 K — cooler than the Sun (5,778 K)

Estimated Age

—

Stellar Radius

1.000 R☉

Stellar Mass

0.940 M☉

Metallicity [Fe/H]

-0.23

Extended Stellar Properties

Surface gravity (log g)

4.500 dex

Stellar density

1.442 g/cm³

Metallicity ratio

[Fe/H]

Distance

496.29 parsec

Light-years 1,618.68 ly

V-band magnitude

14.21 mag

Voyager-speed travel 28,545,356 yr

Multi-band Host Photometry — 17 bands

Astrometric Data

Parallax

1.986 mas

Total Proper Motion

32.432 mas/yr

PM Right Ascension

31.90 mas/yr

PM Declination

-5.85 mas/yr

Galactic Cartesian (pc)

x = 0.963 · y = 0.230 · z = 0.139

Equatorial (J2000)

RA 13.43215° · Dec 7.99529°

Galactic ℓ, b

123.918° · -54.872°

Ecliptic λ, β

15.456° · 2.069°

HTM-20 index

-222019865