Key parameters at a glance

A radius of 14.41 Earth radii
An orbital period of 3.243 days
Semi-major axis 0.0440 AU
Equilibrium temperature 1,243 K (970 °C)
Distance from Earth 3,721.28 light-years
Earth Similarity Index 0.037
Travel time at Voyager 1 speed 65,624,714 years

Kepler-485 b Planet Profile

Physical Specs

Radius

14.41 R⊕

Radius (Jupiter)

1.286 R♃

Mass

— M⊕

Mass (Jupiter)

— M♃

Density

— g/cm³

Surface Gravity

— g (Earth)

Classification

Planet Type

Gas Giant

ESI Score 0.037

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

#290of 1771

top 16.3%

This planet

14.41R⊕

Gas Giant median

13.52R⊕

Nearest-size peers

HATS-45 b 14.41 R⊕ TOI-157 b 14.41 R⊕ Qatar-8 b 14.40 R⊕

Metric	Earth	Kepler-485 b	Jupiter
Radius (R⊕)	1.00	14.41	11.21
Mass (M⊕)	1.00	—	317.83
Density (g/cm³)	5.51	—	1.33
Surface Gravity (g)	1.00	—	2.53
Insolation (S⊕)	1.00	622.01	0.037

Star Catalogue Identifiers

TIC

TIC 27318774

Gaia DR2

Gaia DR2 2135184068555793024

Gaia DR3

Gaia DR3 2135184068555793024

System

Kepler-485

Percentile among Gas Giant cohort

Radius 14.410 R⊕ · percentile 84 / cohort 1771

Orbital period 3.24 d · percentile 19 / cohort 1533

Distance 1,140.95 pc · percentile 88 / cohort 1759

ESI 0.037 · percentile 1 / cohort 1771

Orbit & Habitability

Orbital Dynamics

Period

3.243 days

Semi-major axis

0.0440 AU

Eccentricity

0.000

Inclination

89.27 °

Year Length

A year here lasts approximately 3.24 Earth days (0.9% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.0440 AU.

Transit Fingerprint

Depth

1.751 %

Duration

3.036 h

Impact parameter b

0.001

Rp / R★

0.121277

Transit midpoint (BJD)

2,454,966.6690

Photometric dip

Transit produces a flux drop of 17,512 ppm lasting ≈ 3.04 h.

Extended Orbital Architecture

Planet / star radius ratio

0.121277

Semi-major axis / stellar radius

9.174

Impact parameter (b)

0.001

Transit mid-time (BJD)

2,454,966.6690

Angular separation (arcsec)

0.03860

Eq. Temperature

1,243K

(970 °C)

Insolation (S⊕)

622.01

Earth = 1.00

Earth Similarity (ESI)

0.037

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-485

Spectral Class

G-type yellow (Sun-like)

Effective Temperature

5,958 K — hotter than the Sun (5,778 K)

Estimated Age

3.72 Gyr — younger than the Sun (4.6 Gyr)

Stellar Radius

1.090 R☉

Stellar Mass

1.070 M☉

Metallicity [Fe/H]

0.04

Extended Stellar Properties

Surface gravity (log g)

4.390 dex

Stellar density

1.388 g/cm³

Metallicity ratio

[Fe/H]

Distance

1,140.95 parsec

Light-years 3,721.28 ly

V-band magnitude

15.07 mag

Voyager-speed travel 65,624,714 yr

Multi-band Host Photometry — 16 bands

Astrometric Data

Parallax

0.848 mas

Total Proper Motion

4.676 mas/yr

PM Right Ascension

4.28 mas/yr

PM Declination

-1.88 mas/yr

Galactic Cartesian (pc)

x = 0.269 · y = -0.577 · z = 0.771

Equatorial (J2000)

RA 294.99634° · Dec 50.47005°

Galactic ℓ, b

83.155° · 13.450°

Ecliptic λ, β

320.401° · 69.572°

HTM-20 index

-373228647