Key parameters at a glance

A radius of 2.95 Earth radii
A mass of 9.01 Earth masses
Surface gravity around 1.04 g
An orbital period of 9.941 days
Semi-major axis 0.0920 AU
Equilibrium temperature 996 K (723 °C)
Distance from Earth 1,803.89 light-years
Earth Similarity Index 0.235
Travel time at Voyager 1 speed 31,811,666 years

Kepler-465 b Planet Profile

Physical Specs

Radius

2.95 R⊕

Radius (Jupiter)

0.263 R♃

Mass

9.01 M⊕

Mass (Jupiter)

0.028 M♃

Density

1.93 g/cm³

Surface Gravity

1.04 g (Earth)

Classification

Planet Type

Sub-Neptune

ESI Score 0.235

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

#557of 1978

top 28.1%

This planet

2.95R⊕

Sub-Neptune median

2.71R⊕

Nearest-size peers

Kepler-344 c 2.95 R⊕ Kepler-1641 c 2.95 R⊕ Kepler-154 c 2.95 R⊕

Metric	Earth	Kepler-465 b	Jupiter
Radius (R⊕)	1.00	2.95	11.21
Mass (M⊕)	1.00	9.01	317.83
Density (g/cm³)	5.51	1.93	1.33
Surface Gravity (g)	1.00	1.04	2.53
Insolation (S⊕)	1.00	227.82	0.037

Star Catalogue Identifiers

TIC

TIC 164725204

Gaia DR2

Gaia DR2 2107236613280607104

Gaia DR3

Gaia DR3 2107236613280607104

System

Kepler-465

Percentile among Sub-Neptune cohort

Radius 2.950 R⊕ · percentile 71 / cohort 1978

Mass 9.010 M⊕ · percentile 65 / cohort 1978

Orbital period 9.94 d · percentile 34 / cohort 1946

Distance 553.08 pc · percentile 50 / cohort 1975

ESI 0.235 · percentile 13 / cohort 1978

Orbit & Habitability

Orbital Dynamics

Period

9.941 days

Semi-major axis

0.0920 AU

Eccentricity

0.000

Inclination

89.94 °

Year Length

A year here lasts approximately 9.94 Earth days (2.7% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.0920 AU.

Transit Fingerprint

Depth

0.052 %

Duration

3.901 h

Impact parameter b

0.754

Rp / R★

0.021140

Transit midpoint (BJD)

2,454,968.2151

Photometric dip

Transit produces a flux drop of 524 ppm lasting ≈ 3.90 h.

Extended Orbital Architecture

Planet / star radius ratio

0.021140

Semi-major axis / stellar radius

19.867

Impact parameter (b)

0.754

Transit mid-time (BJD)

2,454,968.2151

Angular separation (arcsec)

0.16600

Eq. Temperature

996K

(723 °C)

Insolation (S⊕)

227.82

Earth = 1.00

Earth Similarity (ESI)

0.235

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-465

Spectral Class

F-type yellow-white

Effective Temperature

6,310 K — hotter than the Sun (5,778 K)

Estimated Age

2.19 Gyr — younger than the Sun (4.6 Gyr)

Stellar Radius

1.290 R☉

Stellar Mass

1.230 M☉

Metallicity [Fe/H]

0.09

Extended Stellar Properties

Surface gravity (log g)

4.310 dex

Stellar density

0.560 g/cm³

Systemic radial velocity

-33.25 km/s

Metallicity ratio

[Fe/H]

Distance

553.08 parsec

Light-years 1,803.89 ly

V-band magnitude

12.65 mag

Voyager-speed travel 31,811,666 yr

Multi-band Host Photometry — 16 bands

Astrometric Data

Parallax

1.779 mas

Total Proper Motion

13.163 mas/yr

PM Right Ascension

7.47 mas/yr

PM Declination

10.84 mas/yr

Galactic Cartesian (pc)

x = 0.174 · y = -0.672 · z = 0.720

Equatorial (J2000)

RA 284.55579° · Dec 46.06389°

Galactic ℓ, b

76.087° · 18.064°

Ecliptic λ, β

297.869° · 68.099°

HTM-20 index

-1365267840