Key parameters at a glance

A radius of 1.38 Earth radii
A mass of 2.48 Earth masses
Surface gravity around 1.30 g
An orbital period of 7.239 days
Semi-major axis 0.0711 AU
Equilibrium temperature 816 K (543 °C)
Distance from Earth 1,213.46 light-years
Earth Similarity Index 0.380
Travel time at Voyager 1 speed 21,399,426 years

Kepler-629 b Planet Profile

Physical Specs

Radius

1.38 R⊕

Radius (Jupiter)

0.123 R♃

Mass

2.48 M⊕

Mass (Jupiter)

0.008 M♃

Density

5.19 g/cm³

Surface Gravity

1.30 g (Earth)

Classification

Planet Type

Super-Earth

ESI Score 0.380

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

#953of 1176

top 81.0%

This planet

1.38R⊕

Super-Earth median

1.60R⊕

Nearest-size peers

Kepler-402 d 1.38 R⊕ Kepler-84 d 1.38 R⊕ Kepler-353 c 1.38 R⊕

Metric	Earth	Kepler-629 b	Jupiter
Radius (R⊕)	1.00	1.38	11.21
Mass (M⊕)	1.00	2.48	317.83
Density (g/cm³)	5.51	5.19	1.33
Surface Gravity (g)	1.00	1.30	2.53
Insolation (S⊕)	1.00	103.15	0.037

Star Catalogue Identifiers

TIC

TIC 122063843

Gaia DR2

Gaia DR2 2101248088842146688

Gaia DR3

Gaia DR3 2101248088842146688

System

Kepler-629

Percentile among Super-Earth cohort

Radius 1.380 R⊕ · percentile 18 / cohort 1176

Mass 2.480 M⊕ · percentile 18 / cohort 1176

Orbital period 7.24 d · percentile 54 / cohort 1164

Distance 372.05 pc · percentile 38 / cohort 1171

ESI 0.380 · percentile 57 / cohort 1176

Orbit & Habitability

Orbital Dynamics

Period

7.239 days

Semi-major axis

0.0711 AU

Eccentricity

0.000

Inclination

89.53 °

Year Length

A year here lasts approximately 7.24 Earth days (2.0% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.0711 AU.

Transit Fingerprint

Depth

0.028 %

Duration

3.107 h

Impact parameter b

0.147

Rp / R★

0.014953

Transit midpoint (BJD)

2,455,004.2190

Photometric dip

Transit produces a flux drop of 276 ppm lasting ≈ 3.11 h.

Extended Orbital Architecture

Planet / star radius ratio

0.014953

Semi-major axis / stellar radius

17.980

Impact parameter (b)

0.147

Transit mid-time (BJD)

2,455,004.2190

Angular separation (arcsec)

0.19100

Eq. Temperature

816K

(543 °C)

Insolation (S⊕)

103.15

Earth = 1.00

Earth Similarity (ESI)

0.380

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

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-629

Spectral Class

G-type yellow (Sun-like)

Effective Temperature

5,444 K — cooler than the Sun (5,778 K)

Estimated Age

1.91 Gyr — younger than the Sun (4.6 Gyr)

Stellar Radius

0.840 R☉

Stellar Mass

0.930 M☉

Metallicity [Fe/H]

0.01

Extended Stellar Properties

Surface gravity (log g)

4.550 dex

Stellar density

1.600 g/cm³

Metallicity ratio

[Fe/H]

Distance

372.05 parsec

Light-years 1,213.46 ly

V-band magnitude

13.48 mag

Voyager-speed travel 21,399,426 yr

Multi-band Host Photometry — 16 bands

Astrometric Data

Parallax

2.659 mas

Total Proper Motion

16.342 mas/yr

PM Right Ascension

12.50 mas/yr

PM Declination

10.52 mas/yr

Galactic Cartesian (pc)

x = 0.255 · y = -0.723 · z = 0.642

Equatorial (J2000)

RA 289.41791° · Dec 39.94508°

Galactic ℓ, b

71.685° · 12.406°

Ecliptic λ, β

301.990° · 61.245°

HTM-20 index

-863820792