Key parameters at a glance

A radius of 1.41 Earth radii
A mass of 2.57 Earth masses
Surface gravity around 1.29 g
An orbital period of 3.248 days
Semi-major axis 0.0432 AU
Equilibrium temperature 1,181 K (908 °C)
Distance from Earth 1,433.13 light-years
Earth Similarity Index 0.253
Travel time at Voyager 1 speed 25,273,237 years

Kepler-537 b Planet Profile

Physical Specs

Radius

1.41 R⊕

Radius (Jupiter)

0.126 R♃

Mass

2.57 M⊕

Mass (Jupiter)

0.008 M♃

Density

5.04 g/cm³

Surface Gravity

1.29 g (Earth)

Classification

Planet Type

Super-Earth

ESI Score 0.253

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

#902of 1176

top 76.6%

This planet

1.41R⊕

Super-Earth median

1.60R⊕

Nearest-size peers

Kepler-369 c 1.41 R⊕ Kepler-334 d 1.41 R⊕ Kepler-141 c 1.41 R⊕

Metric	Earth	Kepler-537 b	Jupiter
Radius (R⊕)	1.00	1.41	11.21
Mass (M⊕)	1.00	2.57	317.83
Density (g/cm³)	5.51	5.04	1.33
Surface Gravity (g)	1.00	1.29	2.53
Insolation (S⊕)	1.00	442.52	0.037

Star Catalogue Identifiers

TIC

TIC 267673013

Gaia DR2

Gaia DR2 2133263737136893696

Gaia DR3

Gaia DR3 2133263737136893696

System

Kepler-537

Percentile among Super-Earth cohort

Radius 1.410 R⊕ · percentile 22 / cohort 1176

Mass 2.570 M⊕ · percentile 21 / cohort 1176

Orbital period 3.25 d · percentile 24 / cohort 1164

Distance 439.40 pc · percentile 43 / cohort 1171

ESI 0.253 · percentile 24 / cohort 1176

Orbit & Habitability

Orbital Dynamics

Period

3.248 days

Semi-major axis

0.0432 AU

Eccentricity

0.000

Inclination

88.14 °

Year Length

A year here lasts approximately 3.25 Earth days (0.9% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.0432 AU.

Transit Fingerprint

Depth

0.021 %

Duration

2.484 h

Impact parameter b

0.780

Rp / R★

0.013122

Transit midpoint (BJD)

2,455,004.2775

Photometric dip

Transit produces a flux drop of 210 ppm lasting ≈ 2.48 h.

Extended Orbital Architecture

Planet / star radius ratio

0.013122

Semi-major axis / stellar radius

10.089

Impact parameter (b)

0.780

Transit mid-time (BJD)

2,455,004.2775

Angular separation (arcsec)

0.09820

Eq. Temperature

1,181K

(908 °C)

Insolation (S⊕)

442.52

Earth = 1.00

Earth Similarity (ESI)

0.253

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-537

Spectral Class

G-type yellow (Sun-like)

Effective Temperature

5,763 K — cooler than the Sun (5,778 K)

Estimated Age

1.45 Gyr — younger than the Sun (4.6 Gyr)

Stellar Radius

0.990 R☉

Stellar Mass

1.070 M☉

Metallicity [Fe/H]

0.23

Extended Stellar Properties

Surface gravity (log g)

4.470 dex

Stellar density

1.190 g/cm³

Metallicity ratio

[Fe/H]

Distance

439.40 parsec

Light-years 1,433.13 ly

V-band magnitude

13.17 mag

Voyager-speed travel 25,273,237 yr

Multi-band Host Photometry — 16 bands

Astrometric Data

Parallax

2.247 mas

Total Proper Motion

21.359 mas/yr

PM Right Ascension

-7.55 mas/yr

PM Declination

-19.98 mas/yr

Galactic Cartesian (pc)

x = 0.213 · y = -0.588 · z = 0.780

Equatorial (J2000)

RA 289.88058° · Dec 51.27699°

Galactic ℓ, b

82.520° · 16.720°

Ecliptic λ, β

312.837° · 71.769°

HTM-20 index

31282598