Key parameters at a glance

A radius of 2.21 Earth radii
A mass of 5.52 Earth masses
Surface gravity around 1.13 g
An orbital period of 3.149 days
Semi-major axis 0.0390 AU
Equilibrium temperature 1,097 K (824 °C)
Distance from Earth 3,388.86 light-years
Earth Similarity Index 0.237
Travel time at Voyager 1 speed 59,762,520 years

Kepler-862 b Planet Profile

Physical Specs

Radius

2.21 R⊕

Radius (Jupiter)

0.197 R♃

Mass

5.52 M⊕

Mass (Jupiter)

0.017 M♃

Density

2.81 g/cm³

Surface Gravity

1.13 g (Earth)

Classification

Planet Type

Sub-Neptune

ESI Score 0.237

HZ Position Inner

Controversial No

Discovery

Year 2016

Method Transit

Facility Kepler

Telescope 0.95 m Kepler Telescope

Size rank in cohort

Rank by radius

#1658of 1978

top 83.8%

This planet

2.21R⊕

Sub-Neptune median

2.71R⊕

Nearest-size peers

K2-335 b 2.21 R⊕ OGLE-2005-BLG-390L b 2.21 R⊕ K2-275 c 2.21 R⊕

Metric	Earth	Kepler-862 b	Jupiter
Radius (R⊕)	1.00	2.21	11.21
Mass (M⊕)	1.00	5.52	317.83
Density (g/cm³)	5.51	2.81	1.33
Surface Gravity (g)	1.00	1.13	2.53
Insolation (S⊕)	1.00	547.29	0.037

Star Catalogue Identifiers

TIC

TIC 273379660

Gaia DR2

Gaia DR2 2080286483776060544

Gaia DR3

Gaia DR3 2080286483776060544

System

Kepler-862

Percentile among Sub-Neptune cohort

Radius 2.210 R⊕ · percentile 16 / cohort 1978

Mass 5.520 M⊕ · percentile 16 / cohort 1978

Orbital period 3.15 d · percentile 5 / cohort 1946

Distance 1,039.03 pc · percentile 81 / cohort 1975

ESI 0.237 · percentile 13 / cohort 1978

Orbit & Habitability

Orbital Dynamics

Period

3.149 days

Semi-major axis

0.0390 AU

Eccentricity

0.000

Inclination

85.68 °

Year Length

A year here lasts approximately 3.15 Earth days (0.9% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.0390 AU.

Transit Fingerprint

Depth

0.055 %

Duration

2.179 h

Impact parameter b

0.652

Rp / R★

0.023797

Transit midpoint (BJD)

2,455,189.9355

Photometric dip

Transit produces a flux drop of 551 ppm lasting ≈ 2.18 h.

Extended Orbital Architecture

Planet / star radius ratio

0.023797

Semi-major axis / stellar radius

9.350

Impact parameter (b)

0.652

Transit mid-time (BJD)

2,455,189.9355

Angular separation (arcsec)

0.03750

Eq. Temperature

1,097K

(824 °C)

Insolation (S⊕)

547.29

Earth = 1.00

Earth Similarity (ESI)

0.237

0 = alien, 1 = Earth-identical

Inside the inner HZ boundary (too hot for liquid water) — the dayside is scorched.

Discovery Paper

Primary reference

Morton et al. 2016

Instrument

Kepler CCD Array

Publication

2016-05

Observation locale

Space

Discovery cohort

Planets confirmed in 2016 at Kepler (12 shown).

Kepler-1512 b · Rocky Terrestrial Kepler-1410 b · Super-Earth Kepler-560 b · Super-Earth Kepler-1389 b · Super-Earth Kepler-1450 b · Super-Earth Kepler-1544 b · Super-Earth Kepler-1459 b · Super-Earth Kepler-1638 b · Super-Earth Kepler-737 b · Super-Earth Kepler-1185 b · Super-Earth Kepler-1178 b · Rocky Terrestrial Kepler-1040 b · Sub-Neptune

Host System: Kepler-862

Spectral Class

G-type yellow (Sun-like)

Effective Temperature

5,333 K — cooler than the Sun (5,778 K)

Estimated Age

4.79 Gyr — older than the Sun (4.6 Gyr)

Stellar Radius

0.840 R☉

Stellar Mass

0.880 M☉

Metallicity [Fe/H]

0.04

Extended Stellar Properties

Surface gravity (log g)

4.540 dex

Stellar density

1.237 g/cm³

Metallicity ratio

[Fe/H]

Distance

1,039.03 parsec

Light-years 3,388.86 ly

V-band magnitude

15.60 mag

Voyager-speed travel 59,762,520 yr

Multi-band Host Photometry — 16 bands

Astrometric Data

Parallax

0.936 mas

Total Proper Motion

15.164 mas/yr

PM Right Ascension

-6.38 mas/yr

PM Declination

-13.76 mas/yr

Galactic Cartesian (pc)

x = 0.321 · y = -0.609 · z = 0.725

Equatorial (J2000)

RA 297.77925° · Dec 46.49267°

Galactic ℓ, b

80.445° · 9.960°

Ecliptic λ, β

319.881° · 65.193°

HTM-20 index

1081517016