Key parameters at a glance

A radius of 1.68 Earth radii
A mass of 3.47 Earth masses
Surface gravity around 1.23 g
An orbital period of 6.648 days
Semi-major axis 0.0717 AU
Equilibrium temperature 999 K (726 °C)
Distance from Earth 3,928.68 light-years
Earth Similarity Index 0.288
Travel time at Voyager 1 speed 69,282,259 years

Kepler-1969 b Planet Profile

Physical Specs

Radius

1.68 R⊕

Radius (Jupiter)

0.150 R♃

Mass

3.47 M⊕

Mass (Jupiter)

0.011 M♃

Density

4.01 g/cm³

Surface Gravity

1.23 g (Earth)

Classification

Planet Type

Super-Earth

ESI Score 0.288

HZ Position Inner

Controversial No

Discovery

Year 2021

Method Transit

Facility Kepler

Telescope 0.95 m Kepler Telescope

Size rank in cohort

Rank by radius

#431of 1176

top 36.6%

This planet

1.68R⊕

Super-Earth median

1.60R⊕

Nearest-size peers

CoRoT-7 b 1.68 R⊕ Kepler-501 c 1.68 R⊕ Kepler-1266 c 1.68 R⊕

Metric	Earth	Kepler-1969 b	Jupiter
Radius (R⊕)	1.00	1.68	11.21
Mass (M⊕)	1.00	3.47	317.83
Density (g/cm³)	5.51	4.01	1.33
Surface Gravity (g)	1.00	1.23	2.53
Insolation (S⊕)	1.00	235.89	0.037

Star Catalogue Identifiers

TIC

TIC 27240575

Gaia DR2

Gaia DR2 2135025601442520192

Gaia DR3

Gaia DR3 2135025601442520192

System

Kepler-1969

Percentile among Super-Earth cohort

Radius 1.682 R⊕ · percentile 63 / cohort 1176

Mass 3.470 M⊕ · percentile 57 / cohort 1176

Orbital period 6.65 d · percentile 50 / cohort 1164

Distance 1,204.54 pc · percentile 89 / cohort 1171

ESI 0.288 · percentile 34 / cohort 1176

Orbit & Habitability

Orbital Dynamics

Period

6.648 days

Semi-major axis

0.0717 AU

Eccentricity

0.000

Inclination

89.47 °

Year Length

A year here lasts approximately 6.65 Earth days (1.8% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.0717 AU.

Transit Fingerprint

Depth

0.029 %

Duration

1.961 h

Impact parameter b

0.235

Rp / R★

0.015634

Transit midpoint (BJD)

2,454,970.1337

Photometric dip

Transit produces a flux drop of 289 ppm lasting ≈ 1.96 h.

Extended Orbital Architecture

Planet / star radius ratio

0.015634

Semi-major axis / stellar radius

25.600

Impact parameter (b)

0.235

Transit mid-time (BJD)

2,454,970.1337

Angular separation (arcsec)

0.05950

Eq. Temperature

999K

(726 °C)

Insolation (S⊕)

235.89

Earth = 1.00

Earth Similarity (ESI)

0.288

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

Valizadegan et al. 2022

Instrument

Kepler CCD Array

Publication

2022-02

Observation locale

Space

Discovery cohort

Planets confirmed in 2021 at Kepler (12 shown).

Kepler-1816 b · Super-Earth Kepler-1705 c · Sub-Neptune Kepler-1948 b · Rocky Terrestrial Kepler-196 d · Sub-Neptune Kepler-1853 b · Super-Earth Kepler-1840 b · Sub-Neptune Kepler-1881 b · Sub-Neptune Kepler-1858 b · Sub-Neptune Kepler-1874 b · Sub-Neptune Kepler-1802 c · Sub-Neptune Kepler-1749 b · Super-Earth Kepler-1849 b · Sub-Neptune

Host System: Kepler-1969

Spectral Class

F-type yellow-white

Effective Temperature

6,046 K — hotter than the Sun (5,778 K)

Estimated Age

—

Stellar Radius

1.007 R☉

Stellar Mass

1.111 M☉

Metallicity [Fe/H]

0.07

Extended Stellar Properties

Surface gravity (log g)

4.478 dex

Stellar density

7.174 g/cm³

Metallicity ratio

[Fe/H]

Distance

1,204.54 parsec

Light-years 3,928.68 ly

V-band magnitude

15.85 mag

Voyager-speed travel 69,282,259 yr

Multi-band Host Photometry — 16 bands

Astrometric Data

Parallax

0.802 mas

Total Proper Motion

6.615 mas/yr

PM Right Ascension

0.28 mas/yr

PM Declination

-6.61 mas/yr

Galactic Cartesian (pc)

x = 0.272 · y = -0.590 · z = 0.760

Equatorial (J2000)

RA 294.78427° · Dec 49.49206°

Galactic ℓ, b

82.193° · 13.135°

Ecliptic λ, β

318.766° · 68.773°

HTM-20 index

-476578484