Key parameters at a glance

A radius of 2.94 Earth radii
A mass of 8.97 Earth masses
Surface gravity around 1.04 g
An orbital period of 30.828 days
Semi-major axis 0.1954 AU
Equilibrium temperature 585 K (312 °C)
Distance from Earth 5,288.82 light-years
Earth Similarity Index 0.403
Travel time at Voyager 1 speed 93,268,251 years

Kepler-1914 b Planet Profile

Physical Specs

Radius

2.94 R⊕

Radius (Jupiter)

0.263 R♃

Mass

8.97 M⊕

Mass (Jupiter)

0.028 M♃

Density

1.93 g/cm³

Surface Gravity

1.04 g (Earth)

Classification

Planet Type

Sub-Neptune

ESI Score 0.403

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

#569of 1978

top 28.7%

This planet

2.94R⊕

Sub-Neptune median

2.71R⊕

Nearest-size peers

Kepler-1889 b 2.94 R⊕ K2-372 b 2.95 R⊕ Kepler-58 d 2.94 R⊕

Metric	Earth	Kepler-1914 b	Jupiter
Radius (R⊕)	1.00	2.94	11.21
Mass (M⊕)	1.00	8.97	317.83
Density (g/cm³)	5.51	1.93	1.33
Surface Gravity (g)	1.00	1.04	2.53
Insolation (S⊕)	1.00	27.66	0.037

Star Catalogue Identifiers

TIC

TIC 137151294

Gaia DR2

Gaia DR2 2052735368085096576

Gaia DR3

Gaia DR3 2052735368085096576

System

Kepler-1914

Percentile among Sub-Neptune cohort

Radius 2.943 R⊕ · percentile 71 / cohort 1978

Mass 8.970 M⊕ · percentile 65 / cohort 1978

Orbital period 30.83 d · percentile 74 / cohort 1946

Distance 1,621.56 pc · percentile 94 / cohort 1975

ESI 0.403 · percentile 53 / cohort 1978

Orbit & Habitability

Orbital Dynamics

Period

30.828 days

Semi-major axis

0.1954 AU

Eccentricity

0.000

Inclination

89.98 °

Year Length

A year here lasts approximately 30.83 Earth days (8.4% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.1954 AU.

Transit Fingerprint

Depth

0.064 %

Duration

4.192 h

Impact parameter b

0.173

Rp / R★

0.026362

Transit midpoint (BJD)

2,454,976.1448

Photometric dip

Transit produces a flux drop of 641 ppm lasting ≈ 4.19 h.

Extended Orbital Architecture

Planet / star radius ratio

0.026362

Semi-major axis / stellar radius

56.840

Impact parameter (b)

0.173

Transit mid-time (BJD)

2,454,976.1448

Angular separation (arcsec)

0.12100

Eq. Temperature

585K

(312 °C)

Insolation (S⊕)

27.66

Earth = 1.00

Earth Similarity (ESI)

0.403

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-1914

Spectral Class

G-type yellow (Sun-like)

Effective Temperature

5,982 K — hotter than the Sun (5,778 K)

Estimated Age

—

Stellar Radius

0.960 R☉

Stellar Mass

1.047 M☉

Metallicity [Fe/H]

-0.04

Extended Stellar Properties

Surface gravity (log g)

4.493 dex

Stellar density

3.719 g/cm³

Metallicity ratio

[Fe/H]

Distance

1,621.56 parsec

Light-years 5,288.82 ly

V-band magnitude

15.91 mag

Voyager-speed travel 93,268,251 yr

Multi-band Host Photometry — 16 bands

Astrometric Data

Parallax

0.589 mas

Total Proper Motion

2.337 mas/yr

PM Right Ascension

-1.00 mas/yr

PM Declination

-2.11 mas/yr

Galactic Cartesian (pc)

x = 0.285 · y = -0.727 · z = 0.625

Equatorial (J2000)

RA 291.43140° · Dec 38.65436°

Galactic ℓ, b

71.192° · 10.441°

Ecliptic λ, β

304.284° · 59.568°

HTM-20 index

2107846164