Key parameters at a glance

A radius of 1.47 Earth radii
A mass of 2.76 Earth masses
Surface gravity around 1.28 g
An orbital period of 19.916 days
Semi-major axis 0.1473 AU
Equilibrium temperature 728 K (455 °C)
Distance from Earth 2,008.01 light-years
Earth Similarity Index 0.418
Travel time at Voyager 1 speed 35,411,290 years

Kepler-1485 b Planet Profile

Physical Specs

Radius

1.47 R⊕

Radius (Jupiter)

0.131 R♃

Mass

2.76 M⊕

Mass (Jupiter)

0.009 M♃

Density

4.77 g/cm³

Surface Gravity

1.28 g (Earth)

Classification

Planet Type

Super-Earth

ESI Score 0.418

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

#802of 1176

top 68.1%

This planet

1.47R⊕

Super-Earth median

1.60R⊕

Nearest-size peers

Kepler-292 c 1.47 R⊕ Kepler-10 b 1.47 R⊕ Kepler-137 b 1.47 R⊕

Metric	Earth	Kepler-1485 b	Jupiter
Radius (R⊕)	1.00	1.47	11.21
Mass (M⊕)	1.00	2.76	317.83
Density (g/cm³)	5.51	4.77	1.33
Surface Gravity (g)	1.00	1.28	2.53
Insolation (S⊕)	1.00	85.18	0.037

Star Catalogue Identifiers

TIC

TIC 273690208

Gaia DR2

Gaia DR2 2079295514562689280

Gaia DR3

Gaia DR3 2079295514562689280

System

Kepler-1485

Percentile among Super-Earth cohort

Radius 1.470 R⊕ · percentile 31 / cohort 1176

Mass 2.760 M⊕ · percentile 29 / cohort 1176

Orbital period 19.92 d · percentile 85 / cohort 1164

Distance 615.66 pc · percentile 56 / cohort 1171

ESI 0.418 · percentile 63 / cohort 1176

Orbit & Habitability

Orbital Dynamics

Period

19.916 days

Semi-major axis

0.1473 AU

Eccentricity

0.000

Inclination

87.45 °

Year Length

A year here lasts approximately 19.92 Earth days (5.5% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.1473 AU.

Transit Fingerprint

Depth

0.014 %

Duration

6.154 h

Impact parameter b

0.748

Rp / R★

0.011962

Transit midpoint (BJD)

2,454,972.3730

Photometric dip

Transit produces a flux drop of 143 ppm lasting ≈ 6.15 h.

Extended Orbital Architecture

Planet / star radius ratio

0.011962

Semi-major axis / stellar radius

16.780

Impact parameter (b)

0.748

Transit mid-time (BJD)

2,454,972.3730

Angular separation (arcsec)

0.23900

Eq. Temperature

728K

(455 °C)

Insolation (S⊕)

85.18

Earth = 1.00

Earth Similarity (ESI)

0.418

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-1485

Spectral Class

F-type yellow-white

Effective Temperature

6,087 K — hotter than the Sun (5,778 K)

Estimated Age

2.51 Gyr — younger than the Sun (4.6 Gyr)

Stellar Radius

1.120 R☉

Stellar Mass

1.110 M☉

Metallicity [Fe/H]

0.02

Extended Stellar Properties

Surface gravity (log g)

4.390 dex

Stellar density

0.580 g/cm³

Metallicity ratio

[Fe/H]

Distance

615.66 parsec

Light-years 2,008.01 ly

V-band magnitude

13.41 mag

Voyager-speed travel 35,411,290 yr

Multi-band Host Photometry — 16 bands

Astrometric Data

Parallax

1.596 mas

Total Proper Motion

4.860 mas/yr

PM Right Ascension

3.67 mas/yr

PM Declination

-3.19 mas/yr

Galactic Cartesian (pc)

x = 0.335 · y = -0.627 · z = 0.704

Equatorial (J2000)

RA 298.09544° · Dec 44.73706°

Galactic ℓ, b

79.005° · 8.906°

Ecliptic λ, β

318.594° · 63.513°

HTM-20 index

1283249368