Confirmed Exoplanet Discovered 2016

Kepler-758 c

A super-earth orbiting the f-type yellow-white Kepler-758, located approximately 4,899.9 light-years from Earth.

Key parameters at a glance

  • A radius of 1.69 Earth radii
  • A mass of 3.50 Earth masses
  • Surface gravity around 1.23 g
  • An orbital period of 4.758 days
  • Semi-major axis 0.0577 AU
  • Equilibrium temperature 1,372 K (1099 °C)
  • Distance from Earth 4,899.91 light-years
  • Earth Similarity Index 0.202
  • Travel time at Voyager 1 speed 86,409,852 years

3 siblings around Kepler-758

Kepler-758 c shares its host star with 3 other confirmed planets. Side-by-side measurements below.

Planet Type Radius (R⊕) Mass (M⊕) Period (d) Eq. T (K) Year
Kepler-758 c this Super-Earth 1.69 3.50 4.758 1,372 2016
Kepler-758 e Super-Earth 1.53 2.96 8.193 1,144 2016
Kepler-758 b Sub-Neptune 2.48 6.71 12.110 1,005 2016
Kepler-758 d Sub-Neptune 2.12 5.14 20.497 843 2016

Kepler-758 c Planet Profile

Physical Specs

Radius
1.69 R⊕
Radius (Jupiter)
0.151 R♃
Mass
3.50 M⊕
Mass (Jupiter)
0.011 M♃
Density
3.98 g/cm³
Surface Gravity
1.23 g (Earth)

Classification

Planet Type

Super-Earth

ESI Score 0.202
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

#415of 1176

top 35.2%

This planet

1.69R⊕

Super-Earth median

1.60R⊕

Nearest-size peers

Metric Earth Kepler-758 c Jupiter
Radius (R⊕)1.001.6911.21
Mass (M⊕)1.003.50317.83
Density (g/cm³)5.513.981.33
Surface Gravity (g)1.001.232.53
Insolation (S⊕)1.001,211.820.037

Star Catalogue Identifiers

TIC

TIC 137968594

Gaia DR2

Gaia DR2 2053552270863859712

Gaia DR3

Gaia DR3 2053552270863859712

System

Kepler-758

Percentile among Super-Earth cohort

Radius 1.690 R⊕ · percentile 64 / cohort 1176
Mass 3.500 M⊕ · percentile 58 / cohort 1176
Orbital period 4.76 d · percentile 39 / cohort 1164
Distance 1,502.32 pc · percentile 95 / cohort 1171
ESI 0.202 · percentile 13 / cohort 1176

Orbit & Habitability

Orbital Dynamics

Period
4.758 days
Semi-major axis
0.0577 AU
Eccentricity
0.000
Inclination
84.31 °

Year Length

A year here lasts approximately 4.76 Earth days (1.3% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.0577 AU.

Transit Fingerprint

Depth

0.012 %

Duration

4.677 h

Impact parameter b

0.661

Rp / R★

0.011207

Transit midpoint (BJD)

2,454,970.6970

Photometric dip

Transit produces a flux drop of 125 ppm lasting ≈ 4.68 h.

Extended Orbital Architecture

Planet / star radius ratio

0.011207

Semi-major axis / stellar radius

8.200

Impact parameter (b)

0.661

Transit mid-time (BJD)

2,454,970.6970

Angular separation (arcsec)

0.03840

Eq. Temperature

1,372K

(1099 °C)

Insolation (S⊕)

1,211.82

Earth = 1.00

Earth Similarity (ESI)

0.202

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

Host System: Kepler-758

Spectral Class

F-type yellow-white

Effective Temperature

6,228 K — hotter than the Sun (5,778 K)

Estimated Age

3.80 Gyr — younger than the Sun (4.6 Gyr)

Stellar Radius

1.420 R☉

Stellar Mass

1.160 M☉

Metallicity [Fe/H]

-0.10

Extended Stellar Properties

Surface gravity (log g)

4.190 dex

Stellar density

0.330 g/cm³

Metallicity ratio

[Fe/H]

Distance
1,502.32 parsec
Light-years 4,899.91 ly
V-band magnitude
14.38 mag
Voyager-speed travel 86,409,852 yr

Multi-band Host Photometry — 16 bands

9.315.915.88B14.38V14.33Gaia14.35Kepler13.95TESS14.65Sloan g14.28Sloan r14.22Sloan i14.20Sloan z13.37J13.15H13.11K13.05W113.09W212.45W39.30W4

Astrometric Data

Parallax

0.637 mas

Total Proper Motion

6.786 mas/yr

PM Right Ascension

-1.13 mas/yr

PM Declination

-6.69 mas/yr

Galactic Cartesian (pc)

x = 0.295 · y = -0.693 · z = 0.658

Equatorial (J2000)

RA 293.08461° · Dec 41.13540°

Galactic ℓ, b

74.025° · 10.427°

Ecliptic λ, β

308.290° · 61.541°

HTM-20 index

1755141653

Similar Worlds

Explore Related Categories