Key parameters at a glance

A radius of 3.69 Earth radii
A mass of 13.20 Earth masses
Surface gravity around 0.97 g
An orbital period of 7.203 days
Semi-major axis 0.0643 AU
Equilibrium temperature 794 K (521 °C)
Distance from Earth 1,035.34 light-years
Earth Similarity Index 0.272
Travel time at Voyager 1 speed 18,258,217 years

Kepler-1627 b Planet Profile

Physical Specs

Radius

3.69 R⊕

Radius (Jupiter)

0.329 R♃

Mass

13.20 M⊕

Mass (Jupiter)

0.042 M♃

Density

1.44 g/cm³

Surface Gravity

0.97 g (Earth)

Classification

Planet Type

Sub-Neptune

ESI Score 0.272

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

#92of 1978

top 4.6%

This planet

3.69R⊕

Sub-Neptune median

2.71R⊕

Nearest-size peers

Kepler-222 d 3.69 R⊕ LHS 3154 b 3.69 R⊕ HD 104067 c 3.69 R⊕

Metric	Earth	Kepler-1627 b	Jupiter
Radius (R⊕)	1.00	3.69	11.21
Mass (M⊕)	1.00	13.20	317.83
Density (g/cm³)	5.51	1.44	1.33
Surface Gravity (g)	1.00	0.97	2.53
Insolation (S⊕)	1.00	143.12	0.037

Star Catalogue Identifiers

TIC

TIC 120105470

Gaia DR2

Gaia DR2 2103737241426734336

Gaia DR3

Gaia DR3 2103737241426734336

System

Kepler-1627

Percentile among Sub-Neptune cohort

Radius 3.690 R⊕ · percentile 95 / cohort 1978

Mass 13.200 M⊕ · percentile 88 / cohort 1978

Orbital period 7.20 d · percentile 23 / cohort 1946

Distance 317.44 pc · percentile 36 / cohort 1975

ESI 0.272 · percentile 21 / cohort 1978

Orbit & Habitability

Orbital Dynamics

Period

7.203 days

Semi-major axis

0.0643 AU

Eccentricity

0.000

Inclination

89.92 °

Year Length

A year here lasts approximately 7.20 Earth days (2.0% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.0643 AU.

Transit Fingerprint

Depth

0.183 %

Duration

2.886 h

Impact parameter b

0.028

Rp / R★

0.040173

Transit midpoint (BJD)

2,454,968.1938

Photometric dip

Transit produces a flux drop of 1,833 ppm lasting ≈ 2.89 h.

Extended Orbital Architecture

Planet / star radius ratio

0.040173

Semi-major axis / stellar radius

20.200

Impact parameter (b)

0.028

Transit mid-time (BJD)

2,454,968.1938

Angular separation (arcsec)

0.20300

Eq. Temperature

794K

(521 °C)

Insolation (S⊕)

143.12

Earth = 1.00

Earth Similarity (ESI)

0.272

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-1627

Spectral Class

G-type yellow (Sun-like)

Effective Temperature

5,445 K — cooler than the Sun (5,778 K)

Estimated Age

4.68 Gyr — older than the Sun (4.6 Gyr)

Stellar Radius

0.840 R☉

Stellar Mass

0.870 M☉

Metallicity [Fe/H]

-0.10

Extended Stellar Properties

Surface gravity (log g)

4.540 dex

Stellar density

3.006 g/cm³

Metallicity ratio

[Fe/H]

Distance

317.44 parsec

Light-years 1,035.34 ly

V-band magnitude

13.11 mag

Voyager-speed travel 18,258,217 yr

Multi-band Host Photometry — 16 bands

Astrometric Data

Parallax

3.122 mas

Total Proper Motion

2.326 mas/yr

PM Right Ascension

2.06 mas/yr

PM Declination

-1.07 mas/yr

Galactic Cartesian (pc)

x = 0.182 · y = -0.726 · z = 0.664

Equatorial (J2000)

RA 284.05667° · Dec 41.57673°

Galactic ℓ, b

71.565° · 16.780°

Ecliptic λ, β

294.328° · 63.833°

HTM-20 index

1463258618