Key parameters at a glance
- A radius of 1.76 Earth radii
- A mass of 3.75 Earth masses
- Surface gravity around 1.21 g
- An orbital period of 0.626 days
- Semi-major axis 0.0133 AU
- Equilibrium temperature 1,711 K (1438 °C)
- Distance from Earth 2,369.02 light-years
- Earth Similarity Index 0.154
- Travel time at Voyager 1 speed 41,777,684 years
- Almost certainly tidally locked to its host star given the close orbit
1 sibling around Kepler-1814
Kepler-1814 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-1814 c this | Super-Earth | 1.76 | 3.75 | 0.626 | 1,711 | 2023 |
| Kepler-1814 b | Sub-Neptune | 2.37 | 6.21 | 2.935 | 1,022 | 2021 |
Kepler-1814 c Planet Profile
Physical Specs
Classification
Planet Type
Super-Earth
Discovery
Size rank in cohort
Rank by radius
#315of 1176
top 26.7%
This planet
1.76R⊕
Super-Earth median
1.60R⊕
Nearest-size peers
| Metric | Earth | Kepler-1814 c | Jupiter |
|---|---|---|---|
| Radius (R⊕) | 1.00 | 1.76 | 11.21 |
| Mass (M⊕) | 1.00 | 3.75 | 317.83 |
| Density (g/cm³) | 5.51 | 3.78 | 1.33 |
| Surface Gravity (g) | 1.00 | 1.21 | 2.53 |
| Insolation (S⊕) | 1.00 | 2,011.27 | 0.037 |
Star Catalogue Identifiers
TIC
TIC 399821831
Gaia DR2
Gaia DR2 2103845032226500352
Gaia DR3
Gaia DR3 2103845032226500352
System
Kepler-1814
Percentile among Super-Earth cohort
Orbit & Habitability
Orbital Dynamics
Year Length
A year here lasts roughly 15 hours long on a nearly circular orbit at a mean orbital distance of 0.0133 AU.
Transit Fingerprint
Depth
0.043 %
Duration
1.181 h
Impact parameter b
0.553
Rp / R★
0.019583
Transit midpoint (BJD)
2,454,964.9059
Photometric dip
Transit produces a flux drop of 433 ppm lasting ≈ 1.18 h.
Extended Orbital Architecture
Planet / star radius ratio
0.019583
Semi-major axis / stellar radius
3.547
Impact parameter (b)
0.553
Transit mid-time (BJD)
2,454,964.9059
Angular separation (arcsec)
0.01830
Eq. Temperature
1,711K
(1438 °C)
Insolation (S⊕)
2,011.27
Earth = 1.00
Earth Similarity (ESI)
0.154
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
Valizadegan et al. 2023Instrument
Kepler CCD Array
Publication
2023-05
Observation locale
Space
Discovery cohort
Planets confirmed in 2023 at Kepler (12 shown).
Host System: Kepler-1814
Spectral Class
K-type orange
Effective Temperature
4,922 K — cooler than the Sun (5,778 K)
Estimated Age
2.82 Gyr — younger than the Sun (4.6 Gyr)
Stellar Radius
0.823 R☉
Stellar Mass
0.790 M☉
Metallicity [Fe/H]
0.20
Extended Stellar Properties
Surface gravity (log g)
4.505 dex
Stellar density
2.153 g/cm³
Metallicity ratio
[Fe/H]
Multi-band Host Photometry — 16 bands
Astrometric Data
Parallax
1.348 mas
Total Proper Motion
2.639 mas/yr
PM Right Ascension
-2.01 mas/yr
PM Declination
-1.71 mas/yr
Galactic Cartesian (pc)
x = 0.197 · y = -0.725 · z = 0.660
Equatorial (J2000)
RA 285.21668° · Dec 41.28244°
Galactic ℓ, b
71.620° · 15.863°
Ecliptic λ, β
296.083° · 63.350°
HTM-20 index
1897340358
Similar Worlds
Kepler-1062 b
Super-Earth · K-type orange
Radius 1.76 R⊕ · 1,296.3 ly
Kepler-755 b
Super-Earth · K-type orange
Radius 1.76 R⊕ · 1,301.5 ly
Kepler-1846 b
Super-Earth · K-type orange
Radius 1.76 R⊕ · 1,221.8 ly
TOI-178 c
Super-Earth · K-type orange
Radius 1.75 R⊕ · 204.5 ly
Kepler-245 e
Super-Earth · K-type orange
Radius 1.75 R⊕ · 2,809.9 ly
Kepler-124 c
Super-Earth · K-type orange
Radius 1.75 R⊕ · 1,370.0 ly