Key parameters at a glance

A radius of 1.49 Earth radii
A mass of 2.81 Earth masses
Surface gravity around 1.27 g
An orbital period of 13.787 days
Semi-major axis 0.1164 AU
Equilibrium temperature 894 K (621 °C)
Distance from Earth 1,446.08 light-years
Earth Similarity Index 0.338
Travel time at Voyager 1 speed 25,501,639 years

Kepler-1882 b Planet Profile

Physical Specs

Radius

1.49 R⊕

Radius (Jupiter)

0.133 R♃

Mass

2.81 M⊕

Mass (Jupiter)

0.009 M♃

Density

4.70 g/cm³

Surface Gravity

1.27 g (Earth)

Classification

Planet Type

Super-Earth

ESI Score 0.338

HZ Position Inner

Controversial No

Discovery

Year 2021

Method Transit

Facility Kepler

Telescope 0.95 m Kepler Telescope

Size rank in cohort

Rank by radius

#782of 1176

top 66.4%

This planet

1.49R⊕

Super-Earth median

1.60R⊕

Nearest-size peers

Kepler-1073 d 1.49 R⊕ Kepler-1841 b 1.49 R⊕ Kepler-174 c 1.49 R⊕

Metric	Earth	Kepler-1882 b	Jupiter
Radius (R⊕)	1.00	1.49	11.21
Mass (M⊕)	1.00	2.81	317.83
Density (g/cm³)	5.51	4.70	1.33
Surface Gravity (g)	1.00	1.27	2.53
Insolation (S⊕)	1.00	122.10	0.037

Star Catalogue Identifiers

TIC

TIC 159449495

Gaia DR2

Gaia DR2 2126078080761742336

Gaia DR3

Gaia DR3 2126078080761742336

System

Kepler-1882

Percentile among Super-Earth cohort

Radius 1.487 R⊕ · percentile 34 / cohort 1176

Mass 2.810 M⊕ · percentile 31 / cohort 1176

Orbital period 13.79 d · percentile 75 / cohort 1164

Distance 443.37 pc · percentile 43 / cohort 1171

ESI 0.338 · percentile 48 / cohort 1176

Orbit & Habitability

Orbital Dynamics

Period

13.787 days

Semi-major axis

0.1164 AU

Eccentricity

0.000

Inclination

83.09 °

Year Length

A year here lasts approximately 13.79 Earth days (3.8% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.1164 AU.

Transit Fingerprint

Depth

0.008 %

Duration

5.747 h

Impact parameter b

0.207

Rp / R★

0.008114

Transit midpoint (BJD)

2,454,977.7763

Photometric dip

Transit produces a flux drop of 75 ppm lasting ≈ 5.75 h.

Extended Orbital Architecture

Planet / star radius ratio

0.008114

Semi-major axis / stellar radius

18.570

Impact parameter (b)

0.207

Transit mid-time (BJD)

2,454,977.7763

Angular separation (arcsec)

0.26200

Eq. Temperature

894K

(621 °C)

Insolation (S⊕)

122.10

Earth = 1.00

Earth Similarity (ESI)

0.338

0 = alien, 1 = Earth-identical

Inside the inner HZ boundary (too hot for liquid water) — the surface is too hot to retain surface water.

Discovery Paper

Primary reference

Valizadegan et al. 2022

Instrument

Kepler CCD Array

Publication

2022-02

Observation locale

Space

Discovery cohort

Planets confirmed in 2021 at Kepler (12 shown).

Kepler-1816 b · Super-Earth Kepler-1705 c · Sub-Neptune Kepler-1948 b · Rocky Terrestrial Kepler-196 d · Sub-Neptune Kepler-1853 b · Super-Earth Kepler-1840 b · Sub-Neptune Kepler-1881 b · Sub-Neptune Kepler-1858 b · Sub-Neptune Kepler-1874 b · Sub-Neptune Kepler-1802 c · Sub-Neptune Kepler-1749 b · Super-Earth Kepler-1849 b · Sub-Neptune

Host System: Kepler-1882

Spectral Class

G-type yellow (Sun-like)

Effective Temperature

5,691 K — cooler than the Sun (5,778 K)

Estimated Age

6.61 Gyr — older than the Sun (4.6 Gyr)

Stellar Radius

1.458 R☉

Stellar Mass

1.068 M☉

Metallicity [Fe/H]

0.26

Extended Stellar Properties

Surface gravity (log g)

4.139 dex

Stellar density

0.045 g/cm³

Metallicity ratio

[Fe/H]

Distance

443.37 parsec

Light-years 1,446.08 ly

V-band magnitude

12.52 mag

Voyager-speed travel 25,501,639 yr

Multi-band Host Photometry — 16 bands

Astrometric Data

Parallax

2.227 mas

Total Proper Motion

7.449 mas/yr

PM Right Ascension

-1.15 mas/yr

PM Declination

-7.36 mas/yr

Galactic Cartesian (pc)

x = 0.256 · y = -0.679 · z = 0.688

Equatorial (J2000)

RA 290.66409° · Dec 43.49979°

Galactic ℓ, b

75.389° · 13.074°

Ecliptic λ, β

306.263° · 64.359°

HTM-20 index

826132687