Key parameters at a glance
- A radius of 1.66 Earth radii
- A mass of 3.39 Earth masses
- Surface gravity around 1.23 g
- An orbital period of 22.476 days
- Semi-major axis 0.1310 AU
- Equilibrium temperature 419 K (146 °C)
- Distance from Earth 1,627.52 light-years
- Earth Similarity Index 0.668
- Travel time at Voyager 1 speed 28,701,286 years
- Almost certainly tidally locked to its host star given the close orbit
Kepler-1418 b Planet Profile
Physical Specs
Classification
Planet Type
Super-Earth
Discovery
Size rank in cohort
Rank by radius
#469of 1176
top 39.8%
This planet
1.66R⊕
Super-Earth median
1.60R⊕
Nearest-size peers
| Metric | Earth | Kepler-1418 b | Jupiter |
|---|---|---|---|
| Radius (R⊕) | 1.00 | 1.66 | 11.21 |
| Mass (M⊕) | 1.00 | 3.39 | 317.83 |
| Density (g/cm³) | 5.51 | 4.07 | 1.33 |
| Surface Gravity (g) | 1.00 | 1.23 | 2.53 |
| Insolation (S⊕) | 1.00 | 7.29 | 0.037 |
Star Catalogue Identifiers
TIC
TIC 258202336
Gaia DR2
Gaia DR2 2104525114527372032
System
Kepler-1418
Percentile among Super-Earth cohort
Orbit & Habitability
Orbital Dynamics
Year Length
A year here lasts approximately 22.48 Earth days (6.2% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.1310 AU.
Transit Fingerprint
Depth
0.055 %
Duration
3.560 h
Impact parameter b
0.176
Rp / R★
0.021289
Transit midpoint (BJD)
2,454,969.8319
Photometric dip
Transit produces a flux drop of 545 ppm lasting ≈ 3.56 h.
Extended Orbital Architecture
Planet / star radius ratio
0.021289
Semi-major axis / stellar radius
50.180
Impact parameter (b)
0.176
Transit mid-time (BJD)
2,454,969.8319
Angular separation (arcsec)
0.26300
Eq. Temperature
419K
(146 °C)
Insolation (S⊕)
7.29
Earth = 1.00
Earth Similarity (ESI)
0.668
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. 2016Instrument
Kepler CCD Array
Publication
2016-05
Observation locale
Space
Discovery cohort
Planets confirmed in 2016 at Kepler (12 shown).
Host System: Kepler-1418
Spectral Class
K-type orange
Effective Temperature
4,770 K — cooler than the Sun (5,778 K)
Estimated Age
3.63 Gyr — younger than the Sun (4.6 Gyr)
Stellar Radius
0.720 R☉
Stellar Mass
0.770 M☉
Metallicity [Fe/H]
0.00
Extended Stellar Properties
Surface gravity (log g)
4.610 dex
Stellar density
3.485 g/cm³
Metallicity ratio
[Fe/H]
Multi-band Host Photometry — 16 bands
Similar Worlds
Kepler-1977 b
Super-Earth · K-type orange
Radius 1.66 R⊕ · 1,933.2 ly
K2-318 b
Super-Earth · K-type orange
Radius 1.66 R⊕ · 482.3 ly
Kepler-1795 b
Super-Earth · K-type orange
Radius 1.66 R⊕ · —
Kepler-1687 b
Super-Earth · K-type orange
Radius 1.66 R⊕ · 1,360.1 ly
TOI-871 b
Super-Earth · K-type orange
Radius 1.66 R⊕ · 221.9 ly
Kepler-763 d
Super-Earth · K-type orange
Radius 1.67 R⊕ · 3,139.1 ly