Key parameters at a glance

A radius of 3.38 Earth radii
A mass of 11.40 Earth masses
Surface gravity around 1.00 g
An orbital period of 134.253 days
Semi-major axis 0.5100 AU
Equilibrium temperature 393 K (120 °C)
Distance from Earth 1,900.93 light-years
Earth Similarity Index 0.539
Travel time at Voyager 1 speed 33,522,872 years

Kepler-965 b Planet Profile

Physical Specs

Radius

3.38 R⊕

Radius (Jupiter)

0.302 R♃

Mass

11.40 M⊕

Mass (Jupiter)

0.036 M♃

Density

1.62 g/cm³

Surface Gravity

1.00 g (Earth)

Classification

Planet Type

Sub-Neptune

ESI Score 0.539

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

#230of 1978

top 11.6%

This planet

3.38R⊕

Sub-Neptune median

2.71R⊕

Nearest-size peers

Kepler-139 c 3.38 R⊕ Kepler-268 c 3.38 R⊕ Kepler-533 b 3.38 R⊕

Metric	Earth	Kepler-965 b	Jupiter
Radius (R⊕)	1.00	3.38	11.21
Mass (M⊕)	1.00	11.40	317.83
Density (g/cm³)	5.51	1.62	1.33
Surface Gravity (g)	1.00	1.00	2.53
Insolation (S⊕)	1.00	4.98	0.037

Star Catalogue Identifiers

TIC

TIC 274118253

Gaia DR2

Gaia DR2 2075412451819530624

Gaia DR3

Gaia DR3 2075412451819530624

System

Kepler-965

Percentile among Sub-Neptune cohort

Radius 3.380 R⊕ · percentile 88 / cohort 1978

Mass 11.400 M⊕ · percentile 82 / cohort 1978

Orbital period 134.25 d · percentile 96 / cohort 1946

Distance 582.83 pc · percentile 52 / cohort 1975

ESI 0.539 · percentile 75 / cohort 1978

Orbit & Habitability

Orbital Dynamics

Period

134.253 days

Semi-major axis

0.5100 AU

Eccentricity

0.000

Inclination

90.00 °

Year Length

A year here lasts approximately 134.25 Earth days (36.8% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.5100 AU.

Transit Fingerprint

Depth

0.083 %

Duration

9.105 h

Impact parameter b

0.025

Rp / R★

0.026830

Transit midpoint (BJD)

2,455,015.7041

Photometric dip

Transit produces a flux drop of 832 ppm lasting ≈ 9.11 h.

Extended Orbital Architecture

Planet / star radius ratio

0.026830

Semi-major axis / stellar radius

116.123

Impact parameter (b)

0.025

Transit mid-time (BJD)

2,455,015.7041

Angular separation (arcsec)

0.87500

Eq. Temperature

393K

(120 °C)

Insolation (S⊕)

4.98

Earth = 1.00

Earth Similarity (ESI)

0.539

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-965

Spectral Class

G-type yellow (Sun-like)

Effective Temperature

5,886 K — hotter than the Sun (5,778 K)

Estimated Age

5.50 Gyr — older than the Sun (4.6 Gyr)

Stellar Radius

1.150 R☉

Stellar Mass

1.050 M☉

Metallicity [Fe/H]

0.03

Extended Stellar Properties

Surface gravity (log g)

4.330 dex

Stellar density

0.780 g/cm³

Metallicity ratio

[Fe/H]

Distance

582.83 parsec

Light-years 1,900.93 ly

V-band magnitude

13.49 mag

Voyager-speed travel 33,522,872 yr

Multi-band Host Photometry — 16 bands

Astrometric Data

Parallax

1.687 mas

Total Proper Motion

6.928 mas/yr

PM Right Ascension

-0.40 mas/yr

PM Declination

6.92 mas/yr

Galactic Cartesian (pc)

x = 0.355 · y = -0.654 · z = 0.668

Equatorial (J2000)

RA 298.51532° · Dec 41.89123°

Galactic ℓ, b

76.669° · 7.220°

Ecliptic λ, β

316.727° · 60.787°

HTM-20 index

-136290025