Key parameters at a glance

A radius of 0.96 Earth radii
A mass of 0.84 Earth masses
Surface gravity around 0.91 g
An orbital period of 1.538 days
Semi-major axis 0.0167 AU
Equilibrium temperature 602 K (329 °C)
Distance from Earth 438.34 light-years
Earth Similarity Index 0.536
Travel time at Voyager 1 speed 7,730,194 years
Almost certainly tidally locked to its host star given the close orbit

Kepler-1650 b Planet Profile

Physical Specs

Radius

0.96 R⊕

Radius (Jupiter)

0.086 R♃

Mass

0.84 M⊕

Mass (Jupiter)

0.003 M♃

Density

5.22 g/cm³

Surface Gravity

0.91 g (Earth)

Classification

Planet Type

Rocky Terrestrial

ESI Score 0.536

HZ Position Inner

Controversial No

Discovery

Year 2017

Method Transit

Facility Kepler

Telescope 0.95 m Kepler Telescope

Size rank in cohort

Rank by radius

#366of 570

top 64.0%

This planet

0.96R⊕

Rocky Terrestrial median

1.01R⊕

Nearest-size peers

Kepler-1445 b 0.96 R⊕ Kepler-399 b 0.96 R⊕ Kepler-524 c 0.96 R⊕

Metric	Earth	Kepler-1650 b	Jupiter
Radius (R⊕)	1.00	0.96	11.21
Mass (M⊕)	1.00	0.84	317.83
Density (g/cm³)	5.51	5.22	1.33
Surface Gravity (g)	1.00	0.91	2.53
Insolation (S⊕)	1.00	54.56	0.037

Star Catalogue Identifiers

TIC

TIC 273502299

Gaia DR2

Gaia DR2 2078524482038704000

Gaia DR3

Gaia DR3 2078524482038704000

System

Kepler-1650

Percentile among Rocky Terrestrial cohort

Radius 0.960 R⊕ · percentile 35 / cohort 570

Mass 0.840 M⊕ · percentile 31 / cohort 570

Orbital period 1.54 d · percentile 17 / cohort 567

Distance 134.40 pc · percentile 26 / cohort 566

ESI 0.536 · percentile 73 / cohort 570

Orbit & Habitability

Orbital Dynamics

Period

1.538 days

Semi-major axis

0.0167 AU

Eccentricity

0.010

Inclination

77.38 °

Year Length

A year here lasts approximately 1.54 Earth days (0.4% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.0167 AU.

Transit Fingerprint

Depth

0.084 %

Duration

1.103 h

Impact parameter b

0.310

Rp / R★

0.026250

Transit midpoint (BJD)

2,455,001.7396

Photometric dip

Transit produces a flux drop of 841 ppm lasting ≈ 1.10 h.

Extended Orbital Architecture

Planet / star radius ratio

0.026250

Semi-major axis / stellar radius

10.840

Impact parameter (b)

0.310

Transit mid-time (BJD)

2,455,001.7396

Angular separation (arcsec)

0.12400

Eq. Temperature

602K

(329 °C)

Insolation (S⊕)

54.56

Earth = 1.00

Earth Similarity (ESI)

0.536

0 = alien, 1 = Earth-identical

Inside the inner HZ boundary (too hot for liquid water) — the surface is too hot to retain surface water. Close-orbiting tidally-locked around a cool host.

Discovery Paper

Primary reference

Mann et al. 2017

Instrument

Kepler CCD Array

Publication

2017-06

Observation locale

Space

Discovery cohort

Planets confirmed in 2017 at Kepler (8 shown).

Kepler-1649 b · Rocky Terrestrial Kepler-1652 b · Super-Earth Kepler-1653 b · Sub-Neptune Kepler-1651 b · Super-Earth Kepler-150 f · Sub-Neptune Kepler-90 i · Super-Earth Kepler-80 g · Rocky Terrestrial Kepler-448 c · Gas Giant

Host System: Kepler-1650

Spectral Class

M-type red dwarf

Effective Temperature

3,410 K — cooler than the Sun (5,778 K)

Estimated Age

3.82 Gyr — younger than the Sun (4.6 Gyr)

Stellar Radius

0.334 R☉

Stellar Mass

0.326 M☉

Metallicity [Fe/H]

-0.11

Extended Stellar Properties

Surface gravity (log g)

4.859 dex

Stellar density

8.730 g/cm³

Metallicity ratio

[Fe/H]

Distance

134.40 parsec

Light-years 438.34 ly

V-band magnitude

17.07 mag

Voyager-speed travel 7,730,194 yr

Multi-band Host Photometry — 16 bands

Astrometric Data

Parallax

7.412 mas

Total Proper Motion

51.289 mas/yr

PM Right Ascension

-1.68 mas/yr

PM Declination

-51.26 mas/yr

Galactic Cartesian (pc)

x = 0.341 · y = -0.649 · z = 0.680

Equatorial (J2000)

RA 297.72923° · Dec 42.86669°

Galactic ℓ, b

77.229° · 8.210°

Ecliptic λ, β

316.408° · 61.912°

HTM-20 index

1468293715