Key parameters at a glance

A radius of 0.91 Earth radii
A mass of 0.69 Earth masses
Surface gravity around 0.84 g
An orbital period of 15.611 days
Semi-major axis 0.1169 AU
Equilibrium temperature 637 K (364 °C)
Distance from Earth 1,738.26 light-years
Earth Similarity Index 0.501
Travel time at Voyager 1 speed 30,654,296 years

Kepler-1992 b Planet Profile

Physical Specs

Radius

0.91 R⊕

Radius (Jupiter)

0.081 R♃

Mass

0.69 M⊕

Mass (Jupiter)

0.002 M♃

Density

5.05 g/cm³

Surface Gravity

0.84 g (Earth)

Classification

Planet Type

Rocky Terrestrial

ESI Score 0.501

HZ Position Inner

Controversial No

Discovery

Year 2023

Method Transit

Facility Kepler

Telescope 0.95 m Kepler Telescope

Size rank in cohort

Rank by radius

#406of 570

top 71.1%

This planet

0.91R⊕

Rocky Terrestrial median

1.01R⊕

Nearest-size peers

HD 224018 b 0.91 R⊕ Kepler-197 e 0.91 R⊕ Kepler-1525 b 0.91 R⊕

Metric	Earth	Kepler-1992 b	Jupiter
Radius (R⊕)	1.00	0.91	11.21
Mass (M⊕)	1.00	0.69	317.83
Density (g/cm³)	5.51	5.05	1.33
Surface Gravity (g)	1.00	0.84	2.53
Insolation (S⊕)	1.00	38.99	0.037

Star Catalogue Identifiers

TIC

TIC 271428166

Gaia DR2

Gaia DR2 2079880695265507328

Gaia DR3

Gaia DR3 2079880695265507328

System

Kepler-1992

Percentile among Rocky Terrestrial cohort

Radius 0.910 R⊕ · percentile 28 / cohort 570

Mass 0.693 M⊕ · percentile 24 / cohort 570

Orbital period 15.61 d · percentile 89 / cohort 567

Distance 532.96 pc · percentile 67 / cohort 566

ESI 0.501 · percentile 71 / cohort 570

Orbit & Habitability

Orbital Dynamics

Period

15.611 days

Semi-major axis

0.1169 AU

Eccentricity

0.000

Inclination

89.03 °

Year Length

A year here lasts approximately 15.61 Earth days (4.3% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.1169 AU.

Transit Fingerprint

Depth

0.011 %

Duration

3.873 h

Impact parameter b

0.468

Rp / R★

0.009854

Transit midpoint (BJD)

2,454,977.8735

Photometric dip

Transit produces a flux drop of 114 ppm lasting ≈ 3.87 h.

Extended Orbital Architecture

Planet / star radius ratio

0.009854

Semi-major axis / stellar radius

27.600

Impact parameter (b)

0.468

Transit mid-time (BJD)

2,454,977.8735

Angular separation (arcsec)

0.21900

Eq. Temperature

637K

(364 °C)

Insolation (S⊕)

38.99

Earth = 1.00

Earth Similarity (ESI)

0.501

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. 2023

Instrument

Kepler CCD Array

Publication

2023-05

Observation locale

Space

Discovery cohort

Planets confirmed in 2023 at Kepler (12 shown).

Kepler-1126 c · Super-Earth Kepler-2000 c · Super-Earth Kepler-1052 c · Sub-Neptune Kepler-311 d · Sub-Neptune Kepler-1996 c · Sub-Neptune Kepler-1162 c · Super-Earth Kepler-1996 b · Sub-Neptune Kepler-1610 c · Sub-Neptune Kepler-1801 c · Sub-Neptune Kepler-1995 b · Neptune-like Kepler-1986 b · Super-Earth Kepler-1491 c · Sub-Neptune

Host System: Kepler-1992

Spectral Class

G-type yellow (Sun-like)

Effective Temperature

5,383 K — cooler than the Sun (5,778 K)

Estimated Age

13.49 Gyr — older than the Sun (4.6 Gyr)

Stellar Radius

0.842 R☉

Stellar Mass

0.874 M☉

Metallicity [Fe/H]

0.00

Extended Stellar Properties

Surface gravity (log g)

4.528 dex

Stellar density

1.626 g/cm³

Metallicity ratio

[Fe/H]

Distance

532.96 parsec

Light-years 1,738.26 ly

V-band magnitude

13.79 mag

Voyager-speed travel 30,654,296 yr

Multi-band Host Photometry — 16 bands

Astrometric Data

Parallax

1.848 mas

Total Proper Motion

12.817 mas/yr

PM Right Ascension

-1.21 mas/yr

PM Declination

-12.76 mas/yr

Galactic Cartesian (pc)

x = 0.299 · y = -0.639 · z = 0.708

Equatorial (J2000)

RA 295.09024° · Dec 45.08110°

Galactic ℓ, b

78.276° · 10.938°

Ecliptic λ, β

314.463° · 64.695°

HTM-20 index

-1144151916