Key parameters at a glance

A radius of 2.11 Earth radii
A mass of 5.10 Earth masses
Surface gravity around 1.15 g
An orbital period of 11.131 days
Semi-major axis 0.1004 AU
Equilibrium temperature 952 K (679 °C)
Distance from Earth 3,037.14 light-years
Earth Similarity Index 0.281
Travel time at Voyager 1 speed 53,559,936 years

Kepler-794 b Planet Profile

Physical Specs

Radius

2.11 R⊕

Radius (Jupiter)

0.188 R♃

Mass

5.10 M⊕

Mass (Jupiter)

0.016 M♃

Density

2.98 g/cm³

Surface Gravity

1.15 g (Earth)

Classification

Planet Type

Sub-Neptune

ESI Score 0.281

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

#1806of 1978

top 91.3%

This planet

2.11R⊕

Sub-Neptune median

2.71R⊕

Nearest-size peers

61 Vir b 2.11 R⊕ TOI-1238 c 2.11 R⊕ Kepler-1484 b 2.11 R⊕

Metric	Earth	Kepler-794 b	Jupiter
Radius (R⊕)	1.00	2.11	11.21
Mass (M⊕)	1.00	5.10	317.83
Density (g/cm³)	5.51	2.98	1.33
Surface Gravity (g)	1.00	1.15	2.53
Insolation (S⊕)	1.00	299.97	0.037

Star Catalogue Identifiers

TIC

TIC 121467823

Gaia DR2

Gaia DR2 2099681216051775616

Gaia DR3

Gaia DR3 2099681216051775616

System

Kepler-794

Percentile among Sub-Neptune cohort

Radius 2.110 R⊕ · percentile 8 / cohort 1978

Mass 5.100 M⊕ · percentile 9 / cohort 1978

Orbital period 11.13 d · percentile 39 / cohort 1946

Distance 931.19 pc · percentile 74 / cohort 1975

ESI 0.281 · percentile 23 / cohort 1978

Orbit & Habitability

Orbital Dynamics

Period

11.131 days

Semi-major axis

0.1004 AU

Eccentricity

0.000

Inclination

89.97 °

Year Length

A year here lasts approximately 11.13 Earth days (3.0% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.1004 AU.

Transit Fingerprint

Depth

0.021 %

Duration

4.175 h

Impact parameter b

0.670

Rp / R★

0.013528

Transit midpoint (BJD)

2,454,967.3653

Photometric dip

Transit produces a flux drop of 211 ppm lasting ≈ 4.18 h.

Extended Orbital Architecture

Planet / star radius ratio

0.013528

Semi-major axis / stellar radius

20.340

Impact parameter (b)

0.670

Transit mid-time (BJD)

2,454,967.3653

Angular separation (arcsec)

0.10800

Eq. Temperature

952K

(679 °C)

Insolation (S⊕)

299.97

Earth = 1.00

Earth Similarity (ESI)

0.281

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

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-794

Spectral Class

G-type yellow (Sun-like)

Effective Temperature

5,839 K — hotter than the Sun (5,778 K)

Estimated Age

4.07 Gyr — younger than the Sun (4.6 Gyr)

Stellar Radius

1.380 R☉

Stellar Mass

1.190 M☉

Metallicity [Fe/H]

0.34

Extended Stellar Properties

Surface gravity (log g)

4.230 dex

Stellar density

0.260 g/cm³

Metallicity ratio

[Fe/H]

Distance

931.19 parsec

Light-years 3,037.14 ly

V-band magnitude

13.60 mag

Voyager-speed travel 53,559,936 yr

Multi-band Host Photometry — 17 bands

Astrometric Data

Parallax

1.045 mas

Total Proper Motion

7.820 mas/yr

PM Right Ascension

-4.05 mas/yr

PM Declination

6.69 mas/yr

Galactic Cartesian (pc)

x = 0.242 · y = -0.739 · z = 0.629

Equatorial (J2000)

RA 288.13368° · Dec 38.99689°

Galactic ℓ, b

70.376° · 12.906°

Ecliptic λ, β

299.508° · 60.592°

HTM-20 index

-230799788