Key parameters at a glance
- A radius of 1.57 Earth radii
- A mass of 3.09 Earth masses
- Surface gravity around 1.25 g
- An orbital period of 4.613 days
- Semi-major axis 0.0570 AU
- Equilibrium temperature 1,294 K (1021 °C)
- Distance from Earth 2,307.75 light-years
- Earth Similarity Index 0.221
- Travel time at Voyager 1 speed 40,697,101 years
1 sibling around Kepler-356
Kepler-356 b 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-356 b this | Super-Earth | 1.57 | 3.09 | 4.613 | 1,294 | 2014 |
| Kepler-356 c | Super-Earth | 1.81 | 3.93 | 13.122 | 913 | 2014 |
Kepler-356 b Planet Profile
Physical Specs
Classification
Planet Type
Super-Earth
Discovery
Size rank in cohort
Rank by radius
#618of 1176
top 52.5%
This planet
1.57R⊕
Super-Earth median
1.60R⊕
Nearest-size peers
| Metric | Earth | Kepler-356 b | Jupiter |
|---|---|---|---|
| Radius (R⊕) | 1.00 | 1.57 | 11.21 |
| Mass (M⊕) | 1.00 | 3.09 | 317.83 |
| Density (g/cm³) | 5.51 | 4.39 | 1.33 |
| Surface Gravity (g) | 1.00 | 1.25 | 2.53 |
| Insolation (S⊕) | 1.00 | 844.98 | 0.037 |
Star Catalogue Identifiers
TIC
TIC 137636895
Gaia DR2
Gaia DR2 2051842839520109568
Gaia DR3
Gaia DR3 2051842839520109568
System
Kepler-356
Percentile among Super-Earth cohort
Orbit & Habitability
Orbital Dynamics
Year Length
A year here lasts approximately 4.61 Earth days (1.3% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.0570 AU.
Transit Fingerprint
Depth
0.013 %
Duration
2.972 h
Impact parameter b
0.260
Rp / R★
0.010760
Transit midpoint (BJD)
2,454,965.7746
Photometric dip
Transit produces a flux drop of 133 ppm lasting ≈ 2.97 h.
Extended Orbital Architecture
Planet / star radius ratio
0.010760
Semi-major axis / stellar radius
11.840
Impact parameter (b)
0.260
Transit mid-time (BJD)
2,454,965.7746
Angular separation (arcsec)
0.08060
Eq. Temperature
1,294K
(1021 °C)
Insolation (S⊕)
844.98
Earth = 1.00
Earth Similarity (ESI)
0.221
0 = alien, 1 = Earth-identical
Inside the inner HZ boundary (too hot for liquid water) — the dayside is scorched.
Discovery Paper
Primary reference
Rowe et al. 2014Instrument
Kepler CCD Array
Publication
2014-03
Observation locale
Space
Discovery cohort
Planets confirmed in 2014 at Kepler (12 shown).
Host System: Kepler-356
Spectral Class
F-type yellow-white
Effective Temperature
6,133 K — hotter than the Sun (5,778 K)
Estimated Age
4.17 Gyr — younger than the Sun (4.6 Gyr)
Stellar Radius
1.335 R☉
Stellar Mass
1.163 M☉
Metallicity [Fe/H]
-0.02
Extended Stellar Properties
Surface gravity (log g)
4.256 dex
Stellar density
0.420 g/cm³
Metallicity ratio
[M/H]
Multi-band Host Photometry — 17 bands
Astrometric Data
Parallax
1.385 mas
Total Proper Motion
5.683 mas/yr
PM Right Ascension
4.29 mas/yr
PM Declination
-3.73 mas/yr
Galactic Cartesian (pc)
x = 0.302 · y = -0.732 · z = 0.611
Equatorial (J2000)
RA 292.42110° · Dec 37.68279°
Galactic ℓ, b
70.669° · 9.308°
Ecliptic λ, β
305.186° · 58.414°
HTM-20 index
1235269111
Similar Worlds
Kepler-323 c
Super-Earth · F-type yellow-white
Radius 1.57 R⊕ · 1,483.6 ly
K2-269 b
Super-Earth · F-type yellow-white
Radius 1.57 R⊕ · 1,176.6 ly
Kepler-1181 b
Super-Earth · F-type yellow-white
Radius 1.57 R⊕ · 3,060.7 ly
Kepler-1072 b
Super-Earth · F-type yellow-white
Radius 1.58 R⊕ · 3,205.2 ly
Kepler-402 c
Super-Earth · F-type yellow-white
Radius 1.56 R⊕ · 2,039.6 ly
Kepler-126 c
Super-Earth · F-type yellow-white
Radius 1.58 R⊕ · 774.3 ly