Key parameters at a glance

A radius of 8.98 Earth radii
A mass of 59.60 Earth masses
Surface gravity around 0.74 g
An orbital period of 98.718 days
Semi-major axis 0.3982 AU
Equilibrium temperature 360 K (87 °C)
Distance from Earth 7,050.19 light-years
Earth Similarity Index 0.368
Travel time at Voyager 1 speed 124,330,060 years

Kepler-950 b Planet Profile

Physical Specs

Radius

8.98 R⊕

Radius (Jupiter)

0.801 R♃

Mass

59.60 M⊕

Mass (Jupiter)

0.188 M♃

Density

0.45 g/cm³

Surface Gravity

0.74 g (Earth)

Classification

Planet Type

Neptune-like

ESI Score 0.368

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

#92of 574

top 15.9%

This planet

8.98R⊕

Neptune-like median

6.39R⊕

Nearest-size peers

WASP-139 b 8.97 R⊕ HATS-48 A b 8.97 R⊕ Kepler-51 c 9.00 R⊕

Metric	Earth	Kepler-950 b	Jupiter
Radius (R⊕)	1.00	8.98	11.21
Mass (M⊕)	1.00	59.60	317.83
Density (g/cm³)	5.51	0.45	1.33
Surface Gravity (g)	1.00	0.74	2.53
Insolation (S⊕)	1.00	3.97	0.037

Star Catalogue Identifiers

TIC

TIC 121461701

Gaia DR2

Gaia DR2 2102152815113208192

Gaia DR3

Gaia DR3 2102152815113208192

System

Kepler-950

Percentile among Neptune-like cohort

Radius 8.980 R⊕ · percentile 84 / cohort 574

Mass 59.600 M⊕ · percentile 78 / cohort 574

Orbital period 98.72 d · percentile 82 / cohort 524

Distance 2,161.60 pc · percentile 90 / cohort 572

ESI 0.368 · percentile 67 / cohort 574

Orbit & Habitability

Orbital Dynamics

Period

98.718 days

Semi-major axis

0.3982 AU

Eccentricity

0.000

Inclination

89.68 °

Year Length

A year here lasts approximately 98.72 Earth days (27.0% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.3982 AU.

Transit Fingerprint

Depth

0.732 %

Duration

6.418 h

Impact parameter b

0.588

Rp / R★

0.080544

Transit midpoint (BJD)

2,454,964.5861

Photometric dip

Transit produces a flux drop of 7,320 ppm lasting ≈ 6.42 h.

Extended Orbital Architecture

Planet / star radius ratio

0.080544

Semi-major axis / stellar radius

120.100

Impact parameter (b)

0.588

Transit mid-time (BJD)

2,454,964.5861

Angular separation (arcsec)

0.18400

Eq. Temperature

360K

(87 °C)

Insolation (S⊕)

3.97

Earth = 1.00

Earth Similarity (ESI)

0.368

0 = alien, 1 = Earth-identical

Inside the inner HZ boundary (too hot for liquid water) — liquid water is physically possible with adequate atmospheric pressure.

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-950

Spectral Class

G-type yellow (Sun-like)

Effective Temperature

5,857 K — hotter than the Sun (5,778 K)

Estimated Age

3.80 Gyr — younger than the Sun (4.6 Gyr)

Stellar Radius

1.020 R☉

Stellar Mass

1.020 M☉

Metallicity [Fe/H]

0.02

Extended Stellar Properties

Surface gravity (log g)

4.440 dex

Stellar density

3.363 g/cm³

Metallicity ratio

[Fe/H]

Distance

2,161.60 parsec

Light-years 7,050.19 ly

V-band magnitude

16.00 mag

Voyager-speed travel 124,330,060 yr

Multi-band Host Photometry — 16 bands

Astrometric Data

Parallax

0.432 mas

Total Proper Motion

6.660 mas/yr

PM Right Ascension

-2.58 mas/yr

PM Declination

-6.14 mas/yr

Galactic Cartesian (pc)

x = 0.232 · y = -0.717 · z = 0.658

Equatorial (J2000)

RA 287.95658° · Dec 41.13028°

Galactic ℓ, b

72.317° · 13.909°

Ecliptic λ, β

300.399° · 62.687°

HTM-20 index

-1115971134