Confirmed Exoplanet Discovered 2014

Kepler-144 c

A super-earth orbiting the f-type yellow-white Kepler-144, located approximately 1,255.4 light-years from Earth.

Key parameters at a glance

  • A radius of 1.35 Earth radii
  • A mass of 2.39 Earth masses
  • Surface gravity around 1.31 g
  • An orbital period of 10.105 days
  • Semi-major axis 0.0940 AU
  • Equilibrium temperature 1,046 K (773 °C)
  • Distance from Earth 1,255.43 light-years
  • Earth Similarity Index 0.294
  • Travel time at Voyager 1 speed 22,139,505 years

1 sibling around Kepler-144

Kepler-144 c shares its host star with 1 other confirmed planet. Side-by-side measurements below.

Planet Type Radius (R⊕) Mass (M⊕) Period (d) Eq. T (K) Year
Kepler-144 b Super-Earth 1.33 2.33 5.885 1,253 2014
Kepler-144 c this Super-Earth 1.35 2.39 10.105 1,046 2014

Kepler-144 c Planet Profile

Physical Specs

Radius
1.35 R⊕
Radius (Jupiter)
0.120 R♃
Mass
2.39 M⊕
Mass (Jupiter)
0.008 M♃
Density
5.34 g/cm³
Surface Gravity
1.31 g (Earth)

Classification

Planet Type

Super-Earth

ESI Score 0.294
HZ Position Inner
Controversial No

Discovery

Year 2014
Method Transit
Facility Kepler
Telescope 0.95 m Kepler Telescope

Size rank in cohort

Rank by radius

#996of 1176

top 84.6%

This planet

1.35R⊕

Super-Earth median

1.60R⊕

Nearest-size peers

Metric Earth Kepler-144 c Jupiter
Radius (R⊕)1.001.3511.21
Mass (M⊕)1.002.39317.83
Density (g/cm³)5.515.341.33
Surface Gravity (g)1.001.312.53
Insolation (S⊕)1.00207.250.037

Star Catalogue Identifiers

TIC

TIC 123409401

Gaia DR2

Gaia DR2 2104839471773324032

Gaia DR3

Gaia DR3 2104839471773324032

System

Kepler-144

Percentile among Super-Earth cohort

Radius 1.350 R⊕ · percentile 14 / cohort 1176
Mass 2.390 M⊕ · percentile 14 / cohort 1176
Orbital period 10.10 d · percentile 65 / cohort 1164
Distance 384.92 pc · percentile 38 / cohort 1171
ESI 0.294 · percentile 36 / cohort 1176

Orbit & Habitability

Orbital Dynamics

Period
10.105 days
Semi-major axis
0.0940 AU
Eccentricity
0.000
Inclination
88.79 °

Year Length

A year here lasts approximately 10.10 Earth days (2.8% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.0940 AU.

Transit Fingerprint

Depth

0.011 %

Duration

2.278 h

Impact parameter b

0.250

Rp / R★

0.009916

Transit midpoint (BJD)

2,454,968.5534

Photometric dip

Transit produces a flux drop of 114 ppm lasting ≈ 2.28 h.

Extended Orbital Architecture

Planet / star radius ratio

0.009916

Semi-major axis / stellar radius

32.610

Impact parameter (b)

0.250

Transit mid-time (BJD)

2,454,968.5534

Angular separation (arcsec)

0.24400

Eq. Temperature

1,046K

(773 °C)

Insolation (S⊕)

207.25

Earth = 1.00

Earth Similarity (ESI)

0.294

0 = alien, 1 = Earth-identical

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

Discovery Paper

Primary reference

Rowe et al. 2014

Instrument

Kepler CCD Array

Publication

2014-03

Observation locale

Space

Host System: Kepler-144

Spectral Class

F-type yellow-white

Effective Temperature

6,075 K — hotter than the Sun (5,778 K)

Estimated Age

0.94 Gyr — younger than the Sun (4.6 Gyr)

Stellar Radius

1.235 R☉

Stellar Mass

1.154 M☉

Metallicity [Fe/H]

-0.18

Extended Stellar Properties

Surface gravity (log g)

4.289 dex

Stellar density

0.660 g/cm³

Systemic radial velocity

-1.36 km/s

Metallicity ratio

[M/H]

Distance
384.92 parsec
Light-years 1,255.43 ly
V-band magnitude
12.20 mag
Voyager-speed travel 22,139,505 yr

Multi-band Host Photometry — 16 bands

9.412.712.69B12.20V11.94Gaia11.99Kepler11.59TESS12.28Sloan g11.94Sloan r11.87Sloan i11.87Sloan z11.05J10.83H10.79K10.76W110.77W210.59W39.35W4

Astrometric Data

Parallax

2.569 mas

Total Proper Motion

12.044 mas/yr

PM Right Ascension

-7.27 mas/yr

PM Declination

9.61 mas/yr

Galactic Cartesian (pc)

x = 0.152 · y = -0.718 · z = 0.679

Equatorial (J2000)

RA 281.91561° · Dec 42.77555°

Galactic ℓ, b

72.147° · 18.689°

Ecliptic λ, β

291.292° · 65.336°

HTM-20 index

-755379837

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