Key parameters at a glance

A radius of 2.78 Earth radii
A mass of 8.15 Earth masses
Surface gravity around 1.05 g
An orbital period of 4.920 days
Semi-major axis 0.0602 AU
Equilibrium temperature 1,312 K (1039 °C)
Distance from Earth 2,764.20 light-years
Earth Similarity Index 0.177
Travel time at Voyager 1 speed 48,746,632 years

Kepler-480 b Planet Profile

Physical Specs

Radius

2.78 R⊕

Radius (Jupiter)

0.248 R♃

Mass

8.15 M⊕

Mass (Jupiter)

0.026 M♃

Density

2.08 g/cm³

Surface Gravity

1.05 g (Earth)

Classification

Planet Type

Sub-Neptune

ESI Score 0.177

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

#768of 1978

top 38.8%

This planet

2.78R⊕

Sub-Neptune median

2.71R⊕

Nearest-size peers

Kepler-58 b 2.78 R⊕ Kepler-531 b 2.78 R⊕ K2-284 b 2.78 R⊕

Metric	Earth	Kepler-480 b	Jupiter
Radius (R⊕)	1.00	2.78	11.21
Mass (M⊕)	1.00	8.15	317.83
Density (g/cm³)	5.51	2.08	1.33
Surface Gravity (g)	1.00	1.05	2.53
Insolation (S⊕)	1.00	764.08	0.037

Star Catalogue Identifiers

TIC

TIC 27187218

Gaia DR2

Gaia DR2 2135044568018500096

Gaia DR3

Gaia DR3 2135044568018500096

System

Kepler-480

Percentile among Sub-Neptune cohort

Radius 2.780 R⊕ · percentile 61 / cohort 1978

Mass 8.150 M⊕ · percentile 56 / cohort 1978

Orbital period 4.92 d · percentile 12 / cohort 1946

Distance 847.51 pc · percentile 69 / cohort 1975

ESI 0.177 · percentile 4 / cohort 1978

Orbit & Habitability

Orbital Dynamics

Period

4.920 days

Semi-major axis

0.0602 AU

Eccentricity

0.000

Inclination

88.43 °

Year Length

A year here lasts approximately 4.92 Earth days (1.3% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.0602 AU.

Transit Fingerprint

Depth

0.043 %

Duration

4.188 h

Impact parameter b

0.586

Rp / R★

0.019091

Transit midpoint (BJD)

2,454,967.6028

Photometric dip

Transit produces a flux drop of 426 ppm lasting ≈ 4.19 h.

Extended Orbital Architecture

Planet / star radius ratio

0.019091

Semi-major axis / stellar radius

7.460

Impact parameter (b)

0.586

Transit mid-time (BJD)

2,454,967.6028

Angular separation (arcsec)

0.07110

Eq. Temperature

1,312K

(1039 °C)

Insolation (S⊕)

764.08

Earth = 1.00

Earth Similarity (ESI)

0.177

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-480

Spectral Class

F-type yellow-white

Effective Temperature

6,322 K — hotter than the Sun (5,778 K)

Estimated Age

2.34 Gyr — younger than the Sun (4.6 Gyr)

Stellar Radius

1.340 R☉

Stellar Mass

1.250 M☉

Metallicity [Fe/H]

0.11

Extended Stellar Properties

Surface gravity (log g)

4.280 dex

Stellar density

0.430 g/cm³

Metallicity ratio

[Fe/H]

Distance

847.51 parsec

Light-years 2,764.20 ly

V-band magnitude

13.23 mag

Voyager-speed travel 48,746,632 yr

Multi-band Host Photometry — 16 bands

Astrometric Data

Parallax

1.151 mas

Total Proper Motion

3.393 mas/yr

PM Right Ascension

3.37 mas/yr

PM Declination

0.38 mas/yr

Galactic Cartesian (pc)

x = 0.267 · y = -0.588 · z = 0.763

Equatorial (J2000)

RA 294.46392° · Dec 49.76505°

Galactic ℓ, b

82.349° · 13.442°

Ecliptic λ, β

318.604° · 69.111°

HTM-20 index

-494962343