Confirmed Exoplanet Discovered 2016

Kepler-1480 b

A super-earth orbiting the k-type orange Kepler-1480, located approximately 1,633.7 light-years from Earth.

Key parameters at a glance

  • A radius of 1.67 Earth radii
  • A mass of 3.43 Earth masses
  • Surface gravity around 1.23 g
  • An orbital period of 22.127 days
  • Semi-major axis 0.1525 AU
  • Equilibrium temperature 721 K (448 °C)
  • Distance from Earth 1,633.69 light-years
  • Earth Similarity Index 0.406
  • Travel time at Voyager 1 speed 28,810,109 years
  • Almost certainly tidally locked to its host star given the close orbit

Kepler-1480 b Planet Profile

Physical Specs

Radius
1.67 R⊕
Radius (Jupiter)
0.149 R♃
Mass
3.43 M⊕
Mass (Jupiter)
0.011 M♃
Density
4.05 g/cm³
Surface Gravity
1.23 g (Earth)

Classification

Planet Type

Super-Earth

ESI Score 0.406
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

#452of 1176

top 38.4%

This planet

1.67R⊕

Super-Earth median

1.60R⊕

Nearest-size peers

Metric Earth Kepler-1480 b Jupiter
Radius (R⊕)1.001.6711.21
Mass (M⊕)1.003.43317.83
Density (g/cm³)5.514.051.33
Surface Gravity (g)1.001.232.53
Insolation (S⊕)1.0016.320.037

Star Catalogue Identifiers

TIC

TIC 26541144

Gaia DR2

Gaia DR2 2129758940745727488

Gaia DR3

Gaia DR3 2129758940745727488

System

Kepler-1480

Percentile among Super-Earth cohort

Radius 1.670 R⊕ · percentile 61 / cohort 1176
Mass 3.430 M⊕ · percentile 55 / cohort 1176
Orbital period 22.13 d · percentile 87 / cohort 1164
Distance 500.89 pc · percentile 47 / cohort 1171
ESI 0.406 · percentile 61 / cohort 1176

Orbit & Habitability

Orbital Dynamics

Period
22.127 days
Semi-major axis
0.1525 AU
Eccentricity
0.000
Inclination
86.10 °

Year Length

A year here lasts approximately 22.13 Earth days (6.1% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.1525 AU.

Transit Fingerprint

Depth

0.044 %

Duration

3.686 h

Impact parameter b

0.260

Rp / R★

0.018807

Transit midpoint (BJD)

2,454,977.9351

Photometric dip

Transit produces a flux drop of 436 ppm lasting ≈ 3.69 h.

Extended Orbital Architecture

Planet / star radius ratio

0.018807

Semi-major axis / stellar radius

14.060

Impact parameter (b)

0.260

Transit mid-time (BJD)

2,454,977.9351

Angular separation (arcsec)

0.30400

Eq. Temperature

721K

(448 °C)

Insolation (S⊕)

16.32

Earth = 1.00

Earth Similarity (ESI)

0.406

0 = alien, 1 = Earth-identical

Inside the inner HZ boundary (too hot for liquid water) — the surface is too hot to retain surface water. Close-orbiting tidally-locked around a cool host.

Discovery Paper

Primary reference

Morton et al. 2016

Instrument

Kepler CCD Array

Publication

2016-05

Observation locale

Space

Host System: Kepler-1480

Spectral Class

K-type orange

Effective Temperature

5,156 K — cooler than the Sun (5,778 K)

Estimated Age

4.79 Gyr — older than the Sun (4.6 Gyr)

Stellar Radius

0.810 R☉

Stellar Mass

0.850 M☉

Metallicity [Fe/H]

0.07

Extended Stellar Properties

Surface gravity (log g)

4.560 dex

Stellar density

3.562 g/cm³

Metallicity ratio

[Fe/H]

Distance
500.89 parsec
Light-years 1,633.69 ly
V-band magnitude
14.70 mag
Voyager-speed travel 28,810,109 yr

Multi-band Host Photometry — 16 bands

8.715.515.53B14.70V14.48Gaia14.52Kepler13.90TESS15.24Sloan g14.44Sloan r14.22Sloan i14.10Sloan z13.08J12.64H12.58K12.55W112.59W212.23W38.66W4

Astrometric Data

Parallax

1.968 mas

Total Proper Motion

3.395 mas/yr

PM Right Ascension

3.39 mas/yr

PM Declination

-0.04 mas/yr

Galactic Cartesian (pc)

x = 0.244 · y = -0.605 · z = 0.758

Equatorial (J2000)

RA 291.99981° · Dec 49.30183°

Galactic ℓ, b

81.208° · 14.686°

Ecliptic λ, β

313.976° · 69.405°

HTM-20 index

714738511

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