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 30.997 days
Semi-major axis 0.1885 AU
Equilibrium temperature 500 K (227 °C)
Distance from Earth 1,138.28 light-years
Earth Similarity Index 0.520
Travel time at Voyager 1 speed 20,073,645 years

Kepler-632 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 0.520

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-632 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	14.72	0.037

Star Catalogue Identifiers

TIC

TIC 169181786

System

Kepler-632

Percentile among Sub-Neptune cohort

Radius 2.210 R⊕ · percentile 16 / cohort 1978

Mass 5.520 M⊕ · percentile 16 / cohort 1978

Orbital period 31.00 d · percentile 74 / cohort 1946

Distance 349.00 pc · percentile 39 / cohort 1975

ESI 0.520 · percentile 73 / cohort 1978

Orbit & Habitability

Orbital Dynamics

Period

30.997 days

Semi-major axis

0.1885 AU

Eccentricity

0.000

Inclination

89.14 °

Year Length

A year here lasts approximately 31.00 Earth days (8.5% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.1885 AU.

Transit Fingerprint

Depth

0.066 %

Duration

2.796 h

Impact parameter b

0.791

Rp / R★

0.024190

Transit midpoint (BJD)

2,455,024.7859

Photometric dip

Transit produces a flux drop of 655 ppm lasting ≈ 2.80 h.

Extended Orbital Architecture

Planet / star radius ratio

0.024190

Semi-major axis / stellar radius

53.000

Impact parameter (b)

0.791

Transit mid-time (BJD)

2,455,024.7859

Angular separation (arcsec)

0.54000

Eq. Temperature

500K

(227 °C)

Insolation (S⊕)

14.72

Earth = 1.00

Earth Similarity (ESI)

0.520

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-632

Spectral Class

G-type yellow (Sun-like)

Effective Temperature

5,322 K — cooler than the Sun (5,778 K)

Estimated Age

3.02 Gyr — younger than the Sun (4.6 Gyr)

Stellar Radius

0.840 R☉

Stellar Mass

0.910 M☉

Metallicity [Fe/H]

0.11

Extended Stellar Properties

Surface gravity (log g)

4.550 dex

Stellar density

2.934 g/cm³

Metallicity ratio

[Fe/H]

Distance

349.00 parsec

Light-years 1,138.28 ly

V-band magnitude

13.44 mag

Voyager-speed travel 20,073,645 yr