Confirmed Exoplanet Discovered 2020

Kepler-1693 b

A super-earth orbiting the g-type yellow (sun-like) Kepler-1693, located approximately 2,479.0 light-years from Earth.

Key parameters at a glance

  • A radius of 1.29 Earth radii
  • A mass of 2.21 Earth masses
  • Surface gravity around 1.33 g
  • An orbital period of 12.100 days
  • Semi-major axis 0.1011 AU
  • Equilibrium temperature 807 K (534 °C)
  • Distance from Earth 2,479.00 light-years
  • Earth Similarity Index 0.389
  • Travel time at Voyager 1 speed 43,717,120 years

1 sibling around Kepler-1693

Kepler-1693 b shares its host star with 1 other confirmed planet. Side-by-side measurements below.

Planet Type Radius (R⊕) Mass (M⊕) Period (d) Eq. T (K) Year
Kepler-1693 c Rocky Terrestrial 0.98 0.89 5.364 1,059 2021
Kepler-1693 b this Super-Earth 1.29 2.21 12.100 807 2020

Kepler-1693 b Planet Profile

Physical Specs

Radius
1.29 R⊕
Radius (Jupiter)
0.115 R♃
Mass
2.21 M⊕
Mass (Jupiter)
0.007 M♃
Density
5.67 g/cm³
Surface Gravity
1.33 g (Earth)

Classification

Planet Type

Super-Earth

ESI Score 0.389
HZ Position Inner
Controversial No

Discovery

Year 2020
Method Transit
Facility Kepler
Telescope 0.95 m Kepler Telescope

Size rank in cohort

Rank by radius

#1110of 1176

top 94.3%

This planet

1.29R⊕

Super-Earth median

1.60R⊕

Nearest-size peers

Metric Earth Kepler-1693 b Jupiter
Radius (R⊕)1.001.2911.21
Mass (M⊕)1.002.21317.83
Density (g/cm³)5.515.671.33
Surface Gravity (g)1.001.332.53
Insolation (S⊕)1.00100.370.037

Star Catalogue Identifiers

TIC

TIC 406948151

Gaia DR2

Gaia DR2 2129417198787412608

Gaia DR3

Gaia DR3 2129417198787412608

System

Kepler-1693

Percentile among Super-Earth cohort

Radius 1.289 R⊕ · percentile 6 / cohort 1176
Mass 2.210 M⊕ · percentile 6 / cohort 1176
Orbital period 12.10 d · percentile 70 / cohort 1164
Distance 760.07 pc · percentile 64 / cohort 1171
ESI 0.389 · percentile 58 / cohort 1176

Orbit & Habitability

Orbital Dynamics

Period
12.100 days
Semi-major axis
0.1011 AU
Eccentricity
0.000
Inclination
89.69 °

Year Length

A year here lasts approximately 12.10 Earth days (3.3% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.1011 AU.

Transit Fingerprint

Depth

0.017 %

Duration

3.358 h

Impact parameter b

0.140

Rp / R★

0.012000

Transit midpoint (BJD)

2,454,976.0375

Photometric dip

Transit produces a flux drop of 166 ppm lasting ≈ 3.36 h.

Extended Orbital Architecture

Planet / star radius ratio

0.012000

Semi-major axis / stellar radius

26.040

Impact parameter (b)

0.140

Transit mid-time (BJD)

2,454,976.0375

Angular separation (arcsec)

0.13300

Eq. Temperature

807K

(534 °C)

Insolation (S⊕)

100.37

Earth = 1.00

Earth Similarity (ESI)

0.389

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

Armstrong et al. 2021

Instrument

Kepler CCD Array

Publication

2021-07

Observation locale

Space

Host System: Kepler-1693

Spectral Class

G-type yellow (Sun-like)

Effective Temperature

5,432 K — cooler than the Sun (5,778 K)

Estimated Age

0.80 Gyr — younger than the Sun (4.6 Gyr)

Stellar Radius

0.878 R☉

Stellar Mass

0.950 M☉

Metallicity [Fe/H]

0.03

Extended Stellar Properties

Surface gravity (log g)

4.529 dex

Stellar density

1.977 g/cm³

Metallicity ratio

[M/H]

Distance
760.07 parsec
Light-years 2,479.00 ly
V-band magnitude
14.86 mag
Voyager-speed travel 43,717,120 yr

Multi-band Host Photometry — 16 bands

9.215.815.84B14.86V14.74Gaia14.75Kepler14.24TESS15.29Sloan g14.71Sloan r14.52Sloan i14.46Sloan z13.53J13.15H13.10K13.09W113.12W212.52W39.18W4

Astrometric Data

Parallax

1.287 mas

Total Proper Motion

3.285 mas/yr

PM Right Ascension

-0.87 mas/yr

PM Declination

-3.17 mas/yr

Galactic Cartesian (pc)

x = 0.230 · y = -0.626 · z = 0.745

Equatorial (J2000)

RA 290.20156° · Dec 48.18578°

Galactic ℓ, b

79.651° · 15.309°

Ecliptic λ, β

309.667° · 68.860°

HTM-20 index

-371966082

Similar Worlds

Explore Related Categories