Key parameters at a glance

A radius of 2.96 Earth radii
A mass of 9.06 Earth masses
Surface gravity around 1.03 g
An orbital period of 3.032 days
Semi-major axis 0.0421 AU
Equilibrium temperature 1,507 K (1234 °C)
Distance from Earth 2,884.45 light-years
Earth Similarity Index 0.147
Travel time at Voyager 1 speed 50,867,307 years

Kepler-650 b Planet Profile

Physical Specs

Radius

2.96 R⊕

Radius (Jupiter)

0.264 R♃

Mass

9.06 M⊕

Mass (Jupiter)

0.029 M♃

Density

1.92 g/cm³

Surface Gravity

1.03 g (Earth)

Classification

Planet Type

Sub-Neptune

ESI Score 0.147

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

#551of 1978

top 27.8%

This planet

2.96R⊕

Sub-Neptune median

2.71R⊕

Nearest-size peers

Kepler-1129 b 2.96 R⊕ Kepler-1728 b 2.96 R⊕ Kepler-1920 b 2.95 R⊕

Metric	Earth	Kepler-650 b	Jupiter
Radius (R⊕)	1.00	2.96	11.21
Mass (M⊕)	1.00	9.06	317.83
Density (g/cm³)	5.51	1.92	1.33
Surface Gravity (g)	1.00	1.03	2.53
Insolation (S⊕)	1.00	1,218.88	0.037

Star Catalogue Identifiers

TIC

TIC 158934047

Gaia DR2

Gaia DR2 2127172919457889792

System

Kepler-650

Percentile among Sub-Neptune cohort

Radius 2.960 R⊕ · percentile 72 / cohort 1978

Mass 9.060 M⊕ · percentile 66 / cohort 1978

Orbital period 3.03 d · percentile 5 / cohort 1946

Distance 884.38 pc · percentile 71 / cohort 1975

ESI 0.147 · percentile 2 / cohort 1978

Orbit & Habitability

Orbital Dynamics

Period

3.032 days

Semi-major axis

0.0421 AU

Eccentricity

0.000

Inclination

76.77 °

Year Length

A year here lasts approximately 3.03 Earth days (0.8% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.0421 AU.

Transit Fingerprint

Depth

0.049 %

Duration

3.676 h

Impact parameter b

0.843

Rp / R★

0.020314

Transit midpoint (BJD)

2,455,004.7348

Photometric dip

Transit produces a flux drop of 489 ppm lasting ≈ 3.68 h.

Extended Orbital Architecture

Planet / star radius ratio

0.020314

Semi-major axis / stellar radius

3.490

Impact parameter (b)

0.843

Transit mid-time (BJD)

2,455,004.7348

Angular separation (arcsec)

0.04760

Eq. Temperature

1,507K

(1234 °C)

Insolation (S⊕)

1,218.88

Earth = 1.00

Earth Similarity (ESI)

0.147

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-650

Spectral Class

G-type yellow (Sun-like)

Effective Temperature

5,849 K — hotter than the Sun (5,778 K)

Estimated Age

6.46 Gyr — older than the Sun (4.6 Gyr)

Stellar Radius

1.350 R☉

Stellar Mass

1.080 M☉

Metallicity [Fe/H]

0.13

Extended Stellar Properties

Surface gravity (log g)

4.210 dex

Stellar density

0.553 g/cm³

Metallicity ratio

[Fe/H]

Distance

884.38 parsec

Light-years 2,884.45 ly

V-band magnitude

13.83 mag

Voyager-speed travel 50,867,307 yr

Multi-band Host Photometry — 16 bands

Astrometric Data

Parallax

0.451 mas

Total Proper Motion

8.576 mas/yr

PM Right Ascension

-1.09 mas/yr

PM Declination

8.51 mas/yr

Galactic Cartesian (pc)

x = 0.230 · y = -0.667 · z = 0.709

Equatorial (J2000)

RA 289.00095° · Dec 45.15430°

Galactic ℓ, b

76.434° · 14.842°

Ecliptic λ, β

304.847° · 66.310°

HTM-20 index

2082055430