Confirmed Exoplanet Discovered 2016

Kepler-1167 b

A super-earth orbiting the k-type orange Kepler-1167, located approximately 2,677.4 light-years from Earth.

Key parameters at a glance

  • A radius of 1.71 Earth radii
  • A mass of 3.57 Earth masses
  • Surface gravity around 1.22 g
  • An orbital period of 1.004 days
  • Semi-major axis 0.0175 AU
  • Equilibrium temperature 1,419 K (1146 °C)
  • Distance from Earth 2,677.43 light-years
  • Earth Similarity Index 0.193
  • Travel time at Voyager 1 speed 47,216,491 years
  • Almost certainly tidally locked to its host star given the close orbit

Kepler-1167 b Planet Profile

Physical Specs

Radius
1.71 R⊕
Radius (Jupiter)
0.153 R♃
Mass
3.57 M⊕
Mass (Jupiter)
0.011 M♃
Density
3.92 g/cm³
Surface Gravity
1.22 g (Earth)

Classification

Planet Type

Super-Earth

ESI Score 0.193
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

#385of 1176

top 32.7%

This planet

1.71R⊕

Super-Earth median

1.60R⊕

Nearest-size peers

Metric Earth Kepler-1167 b Jupiter
Radius (R⊕)1.001.7111.21
Mass (M⊕)1.003.57317.83
Density (g/cm³)5.513.921.33
Surface Gravity (g)1.001.222.53
Insolation (S⊕)1.001,039.700.037

Star Catalogue Identifiers

TIC

TIC 273875149

Gaia DR2

Gaia DR2 2086441721667415424

Gaia DR3

Gaia DR3 2086441721667415424

System

Kepler-1167

Percentile among Super-Earth cohort

Radius 1.710 R⊕ · percentile 66 / cohort 1176
Mass 3.570 M⊕ · percentile 61 / cohort 1176
Orbital period 1.00 d · percentile 5 / cohort 1164
Distance 820.91 pc · percentile 69 / cohort 1171
ESI 0.193 · percentile 11 / cohort 1176

Orbit & Habitability

Orbital Dynamics

Period
1.004 days
Semi-major axis
0.0175 AU
Eccentricity
0.000
Inclination
89.76 °

Year Length

A year here lasts approximately 1.00 Earth days (0.3% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.0175 AU.

Transit Fingerprint

Depth

0.049 %

Duration

1.456 h

Impact parameter b

0.023

Rp / R★

0.021030

Transit midpoint (BJD)

2,454,965.0973

Photometric dip

Transit produces a flux drop of 491 ppm lasting ≈ 1.46 h.

Extended Orbital Architecture

Planet / star radius ratio

0.021030

Semi-major axis / stellar radius

5.477

Impact parameter (b)

0.023

Transit mid-time (BJD)

2,454,965.0973

Angular separation (arcsec)

0.02130

Eq. Temperature

1,419K

(1146 °C)

Insolation (S⊕)

1,039.70

Earth = 1.00

Earth Similarity (ESI)

0.193

0 = alien, 1 = Earth-identical

Inside the inner HZ boundary (too hot for liquid water) — the dayside is scorched. 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-1167

Spectral Class

K-type orange

Effective Temperature

4,971 K — cooler than the Sun (5,778 K)

Estimated Age

4.27 Gyr — younger than the Sun (4.6 Gyr)

Stellar Radius

0.750 R☉

Stellar Mass

0.790 M☉

Metallicity [Fe/H]

-0.05

Extended Stellar Properties

Surface gravity (log g)

4.600 dex

Stellar density

2.858 g/cm³

Metallicity ratio

[Fe/H]

Distance
820.91 parsec
Light-years 2,677.43 ly
V-band magnitude
16.05 mag
Voyager-speed travel 47,216,491 yr

Multi-band Host Photometry — 16 bands

9.317.117.13B16.05V15.93Gaia15.94Kepler15.28TESS16.77Sloan g15.88Sloan r15.59Sloan i15.36Sloan z14.33J13.82H13.66K13.62W113.71W213.27W39.29W4

Astrometric Data

Parallax

1.191 mas

Total Proper Motion

15.464 mas/yr

PM Right Ascension

-10.79 mas/yr

PM Declination

-11.08 mas/yr

Galactic Cartesian (pc)

x = 0.319 · y = -0.593 · z = 0.740

Equatorial (J2000)

RA 298.30266° · Dec 47.69397°

Galactic ℓ, b

81.687° · 10.237°

Ecliptic λ, β

321.973° · 66.102°

HTM-20 index

1149788419

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