Key parameters at a glance

A radius of 1.04 Earth radii
A mass of 1.12 Earth masses
Surface gravity around 1.04 g
An orbital period of 6.985 days
Semi-major axis 0.0721 AU
Equilibrium temperature 1,059 K (786 °C)
Distance from Earth 1,503.29 light-years
Earth Similarity Index 0.304
Travel time at Voyager 1 speed 26,510,440 years

Kepler-1576 b Planet Profile

Physical Specs

Radius

1.04 R⊕

Radius (Jupiter)

0.093 R♃

Mass

1.12 M⊕

Mass (Jupiter)

0.004 M♃

Density

5.47 g/cm³

Surface Gravity

1.04 g (Earth)

Classification

Planet Type

Rocky Terrestrial

ESI Score 0.304

HZ Position Inner

Controversial No

Discovery

Year 2016

Method Transit

Facility Kepler

Telescope 0.95 m Kepler Telescope

Size rank in cohort

Rank by radius

#288of 570

top 50.4%

This planet

1.04R⊕

Rocky Terrestrial median

1.01R⊕

Nearest-size peers

Kepler-1409 b 1.04 R⊕ EPIC 201841433 b 1.04 R⊕ Kepler-1578 b 1.04 R⊕

Metric	Earth	Kepler-1576 b	Jupiter
Radius (R⊕)	1.00	1.04	11.21
Mass (M⊕)	1.00	1.12	317.83
Density (g/cm³)	5.51	5.47	1.33
Surface Gravity (g)	1.00	1.04	2.53
Insolation (S⊕)	1.00	156.61	0.037

Star Catalogue Identifiers

TIC

TIC 121865123

Gaia DR2

Gaia DR2 2101318556367845888

Gaia DR3

Gaia DR3 2101318556367845888

System

Kepler-1576

Percentile among Rocky Terrestrial cohort

Radius 1.040 R⊕ · percentile 48 / cohort 570

Mass 1.120 M⊕ · percentile 43 / cohort 570

Orbital period 6.98 d · percentile 67 / cohort 567

Distance 460.91 pc · percentile 60 / cohort 566

ESI 0.304 · percentile 40 / cohort 570

Orbit & Habitability

Orbital Dynamics

Period

6.985 days

Semi-major axis

0.0721 AU

Eccentricity

0.000

Inclination

88.54 °

Year Length

A year here lasts approximately 6.98 Earth days (1.9% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.0721 AU.

Transit Fingerprint

Depth

0.009 %

Duration

2.723 h

Impact parameter b

0.451

Rp / R★

0.008521

Transit midpoint (BJD)

2,454,968.9954

Photometric dip

Transit produces a flux drop of 91 ppm lasting ≈ 2.72 h.

Extended Orbital Architecture

Planet / star radius ratio

0.008521

Semi-major axis / stellar radius

19.770

Impact parameter (b)

0.451

Transit mid-time (BJD)

2,454,968.9954

Angular separation (arcsec)

0.15600

Eq. Temperature

1,059K

(786 °C)

Insolation (S⊕)

156.61

Earth = 1.00

Earth Similarity (ESI)

0.304

0 = alien, 1 = Earth-identical

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

Discovery Paper

Primary reference

Morton et al. 2016

Instrument

Kepler CCD Array

Publication

2016-05

Observation locale

Space

Discovery cohort

Planets confirmed in 2016 at Kepler (12 shown).

Kepler-1512 b · Rocky Terrestrial Kepler-1410 b · Super-Earth Kepler-560 b · Super-Earth Kepler-1389 b · Super-Earth Kepler-1450 b · Super-Earth Kepler-1544 b · Super-Earth Kepler-1459 b · Super-Earth Kepler-1638 b · Super-Earth Kepler-737 b · Super-Earth Kepler-1185 b · Super-Earth Kepler-1178 b · Rocky Terrestrial Kepler-1040 b · Sub-Neptune

Host System: Kepler-1576

Spectral Class

G-type yellow (Sun-like)

Effective Temperature

5,876 K — hotter than the Sun (5,778 K)

Estimated Age

4.07 Gyr — younger than the Sun (4.6 Gyr)

Stellar Radius

1.060 R☉

Stellar Mass

1.050 M☉

Metallicity [Fe/H]

0.05

Extended Stellar Properties

Surface gravity (log g)

4.400 dex

Stellar density

1.270 g/cm³

Metallicity ratio

[Fe/H]

Distance

460.91 parsec

Light-years 1,503.29 ly

V-band magnitude

13.44 mag

Voyager-speed travel 26,510,440 yr

Multi-band Host Photometry — 16 bands

Astrometric Data

Parallax

2.141 mas

Total Proper Motion

3.590 mas/yr

PM Right Ascension

-1.81 mas/yr

PM Declination

-3.10 mas/yr

Galactic Cartesian (pc)

x = 0.249 · y = -0.720 · z = 0.648

Equatorial (J2000)

RA 289.07396° · Dec 40.36602°

Galactic ℓ, b

71.962° · 12.822°

Ecliptic λ, β

301.703° · 61.722°

HTM-20 index

-968242267