Key parameters at a glance

A radius of 1.07 Earth radii
A mass of 1.24 Earth masses
Surface gravity around 1.08 g
An orbital period of 4.920 days
Semi-major axis 0.0570 AU
Equilibrium temperature 1,242 K (969 °C)
Distance from Earth 3,010.64 light-years
Earth Similarity Index 0.253
Travel time at Voyager 1 speed 53,092,605 years

1 sibling around Kepler-376

Kepler-376 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-376 b this	Rocky Terrestrial	1.07	1.24	4.920	1,242	2014
Kepler-376 c	Super-Earth	1.79	3.86	14.172	873	2014

Kepler-376 b Planet Profile

Physical Specs

Radius

1.07 R⊕

Radius (Jupiter)

0.095 R♃

Mass

1.24 M⊕

Mass (Jupiter)

0.004 M♃

Density

5.56 g/cm³

Surface Gravity

1.08 g (Earth)

Classification

Planet Type

Rocky Terrestrial

ESI Score 0.253

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

#262of 570

top 45.8%

This planet

1.07R⊕

Rocky Terrestrial median

1.01R⊕

Nearest-size peers

Kepler-1570 b 1.07 R⊕ Kepler-186 b 1.07 R⊕ Kepler-520 c 1.07 R⊕

Metric	Earth	Kepler-376 b	Jupiter
Radius (R⊕)	1.00	1.07	11.21
Mass (M⊕)	1.00	1.24	317.83
Density (g/cm³)	5.51	5.56	1.33
Surface Gravity (g)	1.00	1.08	2.53
Insolation (S⊕)	1.00	689.91	0.037

Star Catalogue Identifiers

TIC

TIC 137219378

Gaia DR2

Gaia DR2 2052681801251572480

Gaia DR3

Gaia DR3 2052681801254023808

System

Kepler-376

Percentile among Rocky Terrestrial cohort

Radius 1.070 R⊕ · percentile 53 / cohort 570

Mass 1.240 M⊕ · percentile 48 / cohort 570

Orbital period 4.92 d · percentile 53 / cohort 567

Distance 923.07 pc · percentile 92 / cohort 566

ESI 0.253 · percentile 26 / cohort 570

Orbit & Habitability

Orbital Dynamics

Period

4.920 days

Semi-major axis

0.0570 AU

Eccentricity

0.000

Inclination

88.48 °

Year Length

A year here lasts approximately 4.92 Earth days (1.3% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.0570 AU.

Transit Fingerprint

Depth

0.008 %

Duration

3.915 h

Impact parameter b

0.340

Rp / R★

0.008240

Transit midpoint (BJD)

2,454,968.4079

Photometric dip

Transit produces a flux drop of 81 ppm lasting ≈ 3.92 h.

Extended Orbital Architecture

Planet / star radius ratio

0.008240

Semi-major axis / stellar radius

9.110

Impact parameter (b)

0.340

Transit mid-time (BJD)

2,454,968.4079

Angular separation (arcsec)

0.06180

Eq. Temperature

1,242K

(969 °C)

Insolation (S⊕)

689.91

Earth = 1.00

Earth Similarity (ESI)

0.253

0 = alien, 1 = Earth-identical

Inside the inner HZ boundary (too hot for liquid water) — the dayside is scorched.

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-376

Spectral Class

G-type yellow (Sun-like)

Effective Temperature

5,900 K — hotter than the Sun (5,778 K)

Estimated Age

1.91 Gyr — younger than the Sun (4.6 Gyr)

Stellar Radius

1.175 R☉

Stellar Mass

0.968 M☉

Metallicity [Fe/H]

-0.10

Extended Stellar Properties

Surface gravity (log g)

4.303 dex

Stellar density

0.350 g/cm³

Metallicity ratio

[M/H]

Distance

923.07 parsec

Light-years 3,010.64 ly

V-band magnitude

13.86 mag

Voyager-speed travel 53,092,605 yr

Multi-band Host Photometry — 17 bands

Astrometric Data

Parallax

1.055 mas

Total Proper Motion

15.111 mas/yr

PM Right Ascension

-3.67 mas/yr

PM Declination

-14.66 mas/yr

Galactic Cartesian (pc)

x = 0.289 · y = -0.729 · z = 0.621

Equatorial (J2000)

RA 291.60715° · Dec 38.41032°

Galactic ℓ, b

71.033° · 10.209°

Ecliptic λ, β

304.405° · 59.295°

HTM-20 index

2091079474