Key parameters at a glance

A radius of 3.04 Earth radii
A mass of 9.48 Earth masses
Surface gravity around 1.03 g
An orbital period of 92.436 days
Semi-major axis 0.3729 AU
Equilibrium temperature 348 K (75 °C)
Distance from Earth 2,814.47 light-years
Earth Similarity Index 0.619
Travel time at Voyager 1 speed 49,633,094 years

Kepler-1490 b Planet Profile

Physical Specs

Radius

3.04 R⊕

Radius (Jupiter)

0.271 R♃

Mass

9.48 M⊕

Mass (Jupiter)

0.030 M♃

Density

1.85 g/cm³

Surface Gravity

1.03 g (Earth)

Classification

Planet Type

Sub-Neptune

ESI Score 0.619

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

#481of 1978

top 24.3%

This planet

3.04R⊕

Sub-Neptune median

2.71R⊕

Nearest-size peers

Kepler-227 c 3.04 R⊕ Kepler-216 c 3.04 R⊕ TOI-1438 b 3.04 R⊕

Metric	Earth	Kepler-1490 b	Jupiter
Radius (R⊕)	1.00	3.04	11.21
Mass (M⊕)	1.00	9.48	317.83
Density (g/cm³)	5.51	1.85	1.33
Surface Gravity (g)	1.00	1.03	2.53
Insolation (S⊕)	1.00	3.79	0.037

Star Catalogue Identifiers

TIC

TIC 271959909

Gaia DR2

Gaia DR2 2077895183426195712

Gaia DR3

Gaia DR3 2077895183426195712

System

Kepler-1490

Percentile among Sub-Neptune cohort

Radius 3.040 R⊕ · percentile 75 / cohort 1978

Mass 9.480 M⊕ · percentile 69 / cohort 1978

Orbital period 92.44 d · percentile 93 / cohort 1946

Distance 862.92 pc · percentile 70 / cohort 1975

ESI 0.619 · percentile 85 / cohort 1978

Orbit & Habitability

Orbital Dynamics

Period

92.436 days

Semi-major axis

0.3729 AU

Eccentricity

0.000

Inclination

88.85 °

Year Length

A year here lasts approximately 92.44 Earth days (25.3% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.3729 AU.

Transit Fingerprint

Depth

0.083 %

Duration

5.709 h

Impact parameter b

0.910

Rp / R★

0.031784

Transit midpoint (BJD)

2,454,996.5883

Photometric dip

Transit produces a flux drop of 830 ppm lasting ≈ 5.71 h.

Extended Orbital Architecture

Planet / star radius ratio

0.031784

Semi-major axis / stellar radius

47.100

Impact parameter (b)

0.910

Transit mid-time (BJD)

2,454,996.5883

Angular separation (arcsec)

0.43200

Eq. Temperature

348K

(75 °C)

Insolation (S⊕)

3.79

Earth = 1.00

Earth Similarity (ESI)

0.619

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-1490

Spectral Class

G-type yellow (Sun-like)

Effective Temperature

5,515 K — cooler than the Sun (5,778 K)

Estimated Age

4.57 Gyr — younger than the Sun (4.6 Gyr)

Stellar Radius

0.870 R☉

Stellar Mass

0.900 M☉

Metallicity [Fe/H]

-0.08

Extended Stellar Properties

Surface gravity (log g)

4.520 dex

Stellar density

0.231 g/cm³

Metallicity ratio

[Fe/H]

Distance

862.92 parsec

Light-years 2,814.47 ly

V-band magnitude

15.62 mag

Voyager-speed travel 49,633,094 yr

Multi-band Host Photometry — 16 bands

Astrometric Data

Parallax

1.131 mas

Total Proper Motion

10.575 mas/yr

PM Right Ascension

1.17 mas/yr

PM Declination

-10.51 mas/yr

Galactic Cartesian (pc)

x = 0.319 · y = -0.663 · z = 0.677

Equatorial (J2000)

RA 295.69357° · Dec 42.60945°

Galactic ℓ, b

76.267° · 9.393°

Ecliptic λ, β

313.247° · 62.245°

HTM-20 index

-1546079335