Key parameters at a glance
- A radius of 1.53 Earth radii
- A mass of 2.96 Earth masses
- Surface gravity around 1.26 g
- An orbital period of 0.634 days
- Semi-major axis 0.0136 AU
- Equilibrium temperature 1,714 K (1441 °C)
- Distance from Earth 2,756.76 light-years
- Earth Similarity Index 0.160
- Travel time at Voyager 1 speed 48,615,492 years
- Almost certainly tidally locked to its host star given the close orbit
Kepler-1356 b Planet Profile
Physical Specs
Classification
Planet Type
Super-Earth
Discovery
Size rank in cohort
Rank by radius
#687of 1176
top 58.3%
This planet
1.53R⊕
Super-Earth median
1.60R⊕
Nearest-size peers
| Metric | Earth | Kepler-1356 b | Jupiter |
|---|---|---|---|
| Radius (R⊕) | 1.00 | 1.53 | 11.21 |
| Mass (M⊕) | 1.00 | 2.96 | 317.83 |
| Density (g/cm³) | 5.51 | 4.54 | 1.33 |
| Surface Gravity (g) | 1.00 | 1.26 | 2.53 |
| Insolation (S⊕) | 1.00 | 1,966.06 | 0.037 |
Star Catalogue Identifiers
TIC
TIC 159576968
Gaia DR2
Gaia DR2 2126012900332317056
Gaia DR3
Gaia DR3 2126012900332317056
System
Kepler-1356
Percentile among Super-Earth cohort
Orbit & Habitability
Orbital Dynamics
Year Length
A year here lasts roughly 15.2 hours long on a nearly circular orbit at a mean orbital distance of 0.0136 AU.
Transit Fingerprint
Depth
0.032 %
Duration
0.924 h
Impact parameter b
0.217
Rp / R★
0.017715
Transit midpoint (BJD)
2,454,964.8948
Photometric dip
Transit produces a flux drop of 317 ppm lasting ≈ 0.92 h.
Extended Orbital Architecture
Planet / star radius ratio
0.017715
Semi-major axis / stellar radius
5.250
Impact parameter (b)
0.217
Transit mid-time (BJD)
2,454,964.8948
Angular separation (arcsec)
0.01610
Eq. Temperature
1,714K
(1441 °C)
Insolation (S⊕)
1,966.06
Earth = 1.00
Earth Similarity (ESI)
0.160
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
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-1356
Spectral Class
K-type orange
Effective Temperature
5,106 K — cooler than the Sun (5,778 K)
Estimated Age
4.90 Gyr — older than the Sun (4.6 Gyr)
Stellar Radius
0.780 R☉
Stellar Mass
0.820 M☉
Metallicity [Fe/H]
-0.02
Extended Stellar Properties
Surface gravity (log g)
4.580 dex
Stellar density
6.807 g/cm³
Metallicity ratio
[Fe/H]
Multi-band Host Photometry — 16 bands
Astrometric Data
Parallax
1.155 mas
Total Proper Motion
15.205 mas/yr
PM Right Ascension
6.29 mas/yr
PM Declination
-13.84 mas/yr
Galactic Cartesian (pc)
x = 0.261 · y = -0.680 · z = 0.685
Equatorial (J2000)
RA 290.99538° · Dec 43.24388°
Galactic ℓ, b
75.257° · 12.747°
Ecliptic λ, β
306.595° · 64.039°
HTM-20 index
865029145
Similar Worlds
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