Key parameters at a glance

A radius of 1.54 Earth radii
A mass of 2.99 Earth masses
Surface gravity around 1.26 g
An orbital period of 11.635 days
Semi-major axis 0.1010 AU
Equilibrium temperature 961 K (688 °C)
Distance from Earth 4,349.68 light-years
Earth Similarity Index 0.309
Travel time at Voyager 1 speed 76,706,632 years

1 sibling around Kepler-274

Kepler-274 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-274 b this	Super-Earth	1.54	2.99	11.635	961	2014
Kepler-274 c	Super-Earth	1.84	4.04	33.198	678	2014

Kepler-274 b Planet Profile

Physical Specs

Radius

1.54 R⊕

Radius (Jupiter)

0.137 R♃

Mass

2.99 M⊕

Mass (Jupiter)

0.009 M♃

Density

4.50 g/cm³

Surface Gravity

1.26 g (Earth)

Classification

Planet Type

Super-Earth

ESI Score 0.309

HZ Position Inner

Controversial No

Discovery

Year 2014

Method Transit

Facility Kepler

Telescope 0.95 m Kepler Telescope

Size rank in cohort

Rank by radius

#670of 1176

top 56.9%

This planet

1.54R⊕

Super-Earth median

1.60R⊕

Nearest-size peers

Kepler-337 b 1.54 R⊕ TOI-512 b 1.54 R⊕ TOI-2266 b 1.54 R⊕

Metric	Earth	Kepler-274 b	Jupiter
Radius (R⊕)	1.00	1.54	11.21
Mass (M⊕)	1.00	2.99	317.83
Density (g/cm³)	5.51	4.50	1.33
Surface Gravity (g)	1.00	1.26	2.53
Insolation (S⊕)	1.00	147.81	0.037

Star Catalogue Identifiers

TIC

TIC 137892978

Gaia DR2

Gaia DR2 2052307864222921088

Gaia DR3

Gaia DR3 2052307864222921088

System

Kepler-274

Percentile among Super-Earth cohort

Radius 1.540 R⊕ · percentile 42 / cohort 1176

Mass 2.990 M⊕ · percentile 38 / cohort 1176

Orbital period 11.63 d · percentile 69 / cohort 1164

Distance 1,333.62 pc · percentile 92 / cohort 1171

ESI 0.309 · percentile 39 / cohort 1176

Orbit & Habitability

Orbital Dynamics

Period

11.635 days

Semi-major axis

0.1010 AU

Eccentricity

0.000

Inclination

89.82 °

Year Length

A year here lasts approximately 11.63 Earth days (3.2% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.1010 AU.

Transit Fingerprint

Depth

0.029 %

Duration

5.541 h

Impact parameter b

0.200

Rp / R★

0.016363

Transit midpoint (BJD)

2,454,973.4970

Photometric dip

Transit produces a flux drop of 292 ppm lasting ≈ 5.54 h.

Extended Orbital Architecture

Planet / star radius ratio

0.016363

Semi-major axis / stellar radius

16.500

Impact parameter (b)

0.200

Transit mid-time (BJD)

2,454,973.4970

Angular separation (arcsec)

0.07570

Eq. Temperature

961K

(688 °C)

Insolation (S⊕)

147.81

Earth = 1.00

Earth Similarity (ESI)

0.309

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

Rowe et al. 2014

Instrument

Kepler CCD Array

Publication

2014-03

Observation locale

Space

Discovery cohort

Planets confirmed in 2014 at Kepler (12 shown).

Kepler-186 e · Super-Earth Kepler-395 c · Super-Earth Kepler-220 e · Super-Earth Kepler-249 d · Super-Earth Kepler-296 f · Super-Earth Kepler-367 c · Rocky Terrestrial Kepler-296 e · Super-Earth Kepler-155 c · Sub-Neptune Kepler-138 d · Super-Earth Kepler-333 c · Rocky Terrestrial Kepler-331 d · Super-Earth Kepler-267 d · Sub-Neptune

Host System: Kepler-274

Spectral Class

F-type yellow-white

Effective Temperature

6,023 K — hotter than the Sun (5,778 K)

Estimated Age

12.88 Gyr — older than the Sun (4.6 Gyr)

Stellar Radius

1.007 R☉

Stellar Mass

0.883 M☉

Metallicity [Fe/H]

-0.21

Extended Stellar Properties

Surface gravity (log g)

4.440 dex

Stellar density

0.500 g/cm³

Metallicity ratio

[M/H]

Distance

1,333.62 parsec

Light-years 4,349.68 ly

V-band magnitude

15.24 mag

Voyager-speed travel 76,706,632 yr

Multi-band Host Photometry — 16 bands

Astrometric Data

Parallax

0.722 mas

Total Proper Motion

10.078 mas/yr

PM Right Ascension

3.78 mas/yr

PM Declination

-9.34 mas/yr

Galactic Cartesian (pc)

x = 0.305 · y = -0.721 · z = 0.622

Equatorial (J2000)

RA 292.92279° · Dec 38.47722°

Galactic ℓ, b

71.568° · 9.321°

Ecliptic λ, β

306.366° · 59.056°

HTM-20 index

1315527845