Confirmed Exoplanet Discovered 2020

Kepler-1695 b

A rocky terrestrial orbiting the g-type yellow (sun-like) Kepler-1695, located approximately 2,580.5 light-years from Earth.

Key parameters at a glance

  • A radius of 1.12 Earth radii
  • A mass of 1.46 Earth masses
  • Surface gravity around 1.16 g
  • An orbital period of 4.733 days
  • Semi-major axis 0.0529 AU
  • Equilibrium temperature 957 K (684 °C)
  • Distance from Earth 2,580.46 light-years
  • Earth Similarity Index 0.333
  • Travel time at Voyager 1 speed 45,506,493 years

Kepler-1695 b Planet Profile

Physical Specs

Radius
1.12 R⊕
Radius (Jupiter)
0.100 R♃
Mass
1.46 M⊕
Mass (Jupiter)
0.005 M♃
Density
5.72 g/cm³
Surface Gravity
1.16 g (Earth)

Classification

Planet Type

Rocky Terrestrial

ESI Score 0.333
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

#205of 570

top 35.8%

This planet

1.12R⊕

Rocky Terrestrial median

1.01R⊕

Nearest-size peers

Metric Earth Kepler-1695 b Jupiter
Radius (R⊕)1.001.1211.21
Mass (M⊕)1.001.46317.83
Density (g/cm³)5.515.721.33
Surface Gravity (g)1.001.162.53
Insolation (S⊕)1.00198.570.037

Star Catalogue Identifiers

TIC

TIC 270618467

Gaia DR2

Gaia DR2 2128168256659148032

Gaia DR3

Gaia DR3 2128168256659148032

System

Kepler-1695

Percentile among Rocky Terrestrial cohort

Radius 1.119 R⊕ · percentile 64 / cohort 570
Mass 1.460 M⊕ · percentile 59 / cohort 570
Orbital period 4.73 d · percentile 52 / cohort 567
Distance 791.18 pc · percentile 85 / cohort 566
ESI 0.333 · percentile 47 / cohort 570

Orbit & Habitability

Orbital Dynamics

Period
4.733 days
Semi-major axis
0.0529 AU
Eccentricity
0.000
Inclination
89.67 °

Year Length

A year here lasts approximately 4.73 Earth days (1.3% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.0529 AU.

Transit Fingerprint

Depth

0.015 %

Duration

1.569 h

Impact parameter b

0.377

Rp / R★

0.011896

Transit midpoint (BJD)

2,454,964.5783

Photometric dip

Transit produces a flux drop of 152 ppm lasting ≈ 1.57 h.

Extended Orbital Architecture

Planet / star radius ratio

0.011896

Semi-major axis / stellar radius

20.800

Impact parameter (b)

0.377

Transit mid-time (BJD)

2,454,964.5783

Angular separation (arcsec)

0.06690

Eq. Temperature

957K

(684 °C)

Insolation (S⊕)

198.57

Earth = 1.00

Earth Similarity (ESI)

0.333

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-1695

Spectral Class

G-type yellow (Sun-like)

Effective Temperature

5,473 K — cooler than the Sun (5,778 K)

Estimated Age

0.50 Gyr — younger than the Sun (4.6 Gyr)

Stellar Radius

0.987 R☉

Stellar Mass

0.960 M☉

Metallicity [Fe/H]

-0.03

Extended Stellar Properties

Surface gravity (log g)

4.432 dex

Stellar density

1.407 g/cm³

Metallicity ratio

[M/H]

Distance
791.18 parsec
Light-years 2,580.46 ly
V-band magnitude
14.76 mag
Voyager-speed travel 45,506,493 yr

Multi-band Host Photometry — 16 bands

9.415.615.58B14.76V14.62Gaia14.65Kepler14.13TESS15.17Sloan g14.59Sloan r14.43Sloan i14.36Sloan z13.44J13.06H13.00K12.94W112.95W212.63W39.41W4

Astrometric Data

Parallax

1.235 mas

Total Proper Motion

17.163 mas/yr

PM Right Ascension

5.67 mas/yr

PM Declination

16.20 mas/yr

Galactic Cartesian (pc)

x = 0.276 · y = -0.632 · z = 0.724

Equatorial (J2000)

RA 293.61930° · Dec 46.41340°

Galactic ℓ, b

79.011° · 12.458°

Ecliptic λ, β

313.461° · 66.325°

HTM-20 index

-1429782768

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