Key parameters at a glance
- A radius of 1.62 Earth radii
- A mass of 3.26 Earth masses
- Surface gravity around 1.24 g
- An orbital period of 9.067 days
- Semi-major axis 0.0771 AU
- Equilibrium temperature 725 K (452 °C)
- Distance from Earth 2,453.47 light-years
- Earth Similarity Index 0.408
- Travel time at Voyager 1 speed 43,266,872 years
- Almost certainly tidally locked to its host star given the close orbit
Kepler-1400 b Planet Profile
Physical Specs
Classification
Planet Type
Super-Earth
Discovery
Size rank in cohort
Rank by radius
#532of 1176
top 45.2%
This planet
1.62R⊕
Super-Earth median
1.60R⊕
Nearest-size peers
| Metric | Earth | Kepler-1400 b | Jupiter |
|---|---|---|---|
| Radius (R⊕) | 1.00 | 1.62 | 11.21 |
| Mass (M⊕) | 1.00 | 3.26 | 317.83 |
| Density (g/cm³) | 5.51 | 4.21 | 1.33 |
| Surface Gravity (g) | 1.00 | 1.24 | 2.53 |
| Insolation (S⊕) | 1.00 | 44.52 | 0.037 |
Star Catalogue Identifiers
TIC
TIC 158212755
Gaia DR2
Gaia DR2 2106444552591200768
Gaia DR3
Gaia DR3 2106444552591200768
System
Kepler-1400
Percentile among Super-Earth cohort
Orbit & Habitability
Orbital Dynamics
Year Length
A year here lasts approximately 9.07 Earth days (2.5% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.0771 AU.
Transit Fingerprint
Depth
0.037 %
Duration
2.957 h
Impact parameter b
0.331
Rp / R★
0.018897
Transit midpoint (BJD)
2,454,967.7521
Photometric dip
Transit produces a flux drop of 367 ppm lasting ≈ 2.96 h.
Extended Orbital Architecture
Planet / star radius ratio
0.018897
Semi-major axis / stellar radius
8.820
Impact parameter (b)
0.331
Transit mid-time (BJD)
2,454,967.7521
Angular separation (arcsec)
0.10200
Eq. Temperature
725K
(452 °C)
Insolation (S⊕)
44.52
Earth = 1.00
Earth Similarity (ESI)
0.408
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-1400
Spectral Class
K-type orange
Effective Temperature
5,044 K — cooler than the Sun (5,778 K)
Estimated Age
4.57 Gyr — younger than the Sun (4.6 Gyr)
Stellar Radius
0.780 R☉
Stellar Mass
0.830 M☉
Metallicity [Fe/H]
0.04
Extended Stellar Properties
Surface gravity (log g)
4.580 dex
Stellar density
2.649 g/cm³
Metallicity ratio
[Fe/H]
Multi-band Host Photometry — 16 bands
Astrometric Data
Parallax
1.301 mas
Total Proper Motion
4.367 mas/yr
PM Right Ascension
3.11 mas/yr
PM Declination
3.06 mas/yr
Galactic Cartesian (pc)
x = 0.197 · y = -0.674 · z = 0.713
Equatorial (J2000)
RA 286.27168° · Dec 45.44081°
Galactic ℓ, b
75.934° · 16.722°
Ecliptic λ, β
300.438° · 67.168°
HTM-20 index
-1244269544
Similar Worlds
Kepler-992 b
Super-Earth · K-type orange
Radius 1.62 R⊕ · 846.8 ly
Kepler-1873 b
Super-Earth · K-type orange
Radius 1.63 R⊕ · 2,677.6 ly
Kepler-1749 b
Super-Earth · K-type orange
Radius 1.61 R⊕ · 874.8 ly
HD 219134 d
Super-Earth · K-type orange
Radius 1.61 R⊕ · 21.3 ly
Kepler-62 e
Super-Earth · K-type orange
Radius 1.61 R⊕ · 981.3 ly
Kepler-658 b
Super-Earth · K-type orange
Radius 1.63 R⊕ · 1,266.7 ly