Confirmed Exoplanet Discovered 2020

Kepler-1514 c

A rocky terrestrial orbiting the f-type yellow-white Kepler-1514, located approximately 1,295.8 light-years from Earth.

Key parameters at a glance

  • A radius of 1.18 Earth radii
  • A mass of 1.74 Earth masses
  • Surface gravity around 1.26 g
  • An orbital period of 10.514 days
  • Semi-major axis 0.0997 AU
  • Equilibrium temperature 1,066 K (793 °C)
  • Distance from Earth 1,295.79 light-years
  • Earth Similarity Index 0.292
  • Travel time at Voyager 1 speed 22,851,285 years

1 sibling around Kepler-1514

Kepler-1514 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-1514 c this Rocky Terrestrial 1.18 1.74 10.514 1,066 2020
Kepler-1514 b Gas Giant 12.42 1,678.14 217.832 388 2016

Kepler-1514 c Planet Profile

Physical Specs

Radius
1.18 R⊕
Radius (Jupiter)
0.105 R♃
Mass
1.74 M⊕
Mass (Jupiter)
0.005 M♃
Density
5.88 g/cm³
Surface Gravity
1.26 g (Earth)

Classification

Planet Type

Rocky Terrestrial

ESI Score 0.292
HZ Position Inner
Controversial No

Discovery

Year 2020
Method Transit
Facility Kepler
Telescope 0.95 m Kepler Telescope

Size rank in cohort

Rank by radius

#132of 570

top 23.0%

This planet

1.18R⊕

Rocky Terrestrial median

1.01R⊕

Nearest-size peers

Metric Earth Kepler-1514 c Jupiter
Radius (R⊕)1.001.1811.21
Mass (M⊕)1.001.74317.83
Density (g/cm³)5.515.881.33
Surface Gravity (g)1.001.262.53
Insolation (S⊕)1.00193.000.037

Star Catalogue Identifiers

TIC

TIC 137685450

Gaia DR2

Gaia DR2 2051866238502437632

Gaia DR3

Gaia DR3 2051866238502437632

System

Kepler-1514

Percentile among Rocky Terrestrial cohort

Radius 1.176 R⊕ · percentile 77 / cohort 570
Mass 1.740 M⊕ · percentile 70 / cohort 570
Orbital period 10.51 d · percentile 80 / cohort 567
Distance 397.29 pc · percentile 52 / cohort 566
ESI 0.292 · percentile 37 / cohort 570

Orbit & Habitability

Orbital Dynamics

Period
10.514 days
Semi-major axis
0.0997 AU
Eccentricity
0.320
Inclination
87.98 °

Year Length

A year here lasts approximately 10.51 Earth days (2.9% of a terrestrial year) on a highly eccentric trajectory at a mean orbital distance of 0.0997 AU.

Transit Fingerprint

Depth

0.007 %

Duration

3.761 h

Impact parameter b

0.470

Rp / R★

0.008360

Transit midpoint (BJD)

2,454,957.0546

Photometric dip

Transit produces a flux drop of 70 ppm lasting ≈ 3.76 h.

Extended Orbital Architecture

Planet / star radius ratio

0.008360

Semi-major axis / stellar radius

16.630

Impact parameter (b)

0.470

Transit mid-time (BJD)

2,454,957.0546

Long. of periastron (ω)

0.00°

Angular separation (arcsec)

0.25100

Eq. Temperature

1,066K

(793 °C)

Insolation (S⊕)

193.00

Earth = 1.00

Earth Similarity (ESI)

0.292

0 = alien, 1 = Earth-identical

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

Discovery Paper

Primary reference

Armstrong et al. 2021

Instrument

Kepler CCD Array

Publication

2021-07

Observation locale

Space

Host System: Kepler-1514

Spectral Class

F-type yellow-white

Effective Temperature

6,145 K — hotter than the Sun (5,778 K)

Estimated Age

2.90 Gyr — younger than the Sun (4.6 Gyr)

Stellar Radius

1.289 R☉

Stellar Mass

1.196 M☉

Metallicity [Fe/H]

0.12

Extended Stellar Properties

Surface gravity (log g)

4.295 dex

Stellar density

0.787 g/cm³

Systemic radial velocity

-26.60 km/s

Metallicity ratio

[Fe/H]

Distance
397.29 parsec
Light-years 1,295.79 ly
V-band magnitude
11.77 mag
Voyager-speed travel 22,851,285 yr

Multi-band Host Photometry — 17 bands

9.114.614.59U12.48B11.77V11.83Gaia11.69Kepler11.46TESS12.36Sloan g14.35Sloan r11.85Sloan i13.10Sloan z10.95J10.73H10.69K10.65W110.66W210.68W39.07W4

Astrometric Data

Parallax

2.489 mas

Total Proper Motion

10.041 mas/yr

PM Right Ascension

7.17 mas/yr

PM Declination

7.03 mas/yr

Galactic Cartesian (pc)

x = 0.304 · y = -0.729 · z = 0.614

Equatorial (J2000)

RA 292.62749° · Dec 37.86017°

Galactic ℓ, b

70.905° · 9.244°

Ecliptic λ, β

305.584° · 58.536°

HTM-20 index

1302048674

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