Key parameters at a glance
- A radius of 1.81 Earth radii
- A mass of 3.93 Earth masses
- Surface gravity around 1.20 g
- An orbital period of 13.122 days
- Semi-major axis 0.1150 AU
- Equilibrium temperature 913 K (640 °C)
- Distance from Earth 2,307.75 light-years
- Earth Similarity Index 0.310
- Travel time at Voyager 1 speed 40,697,101 years
1 sibling around Kepler-356
Kepler-356 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-356 b | Super-Earth | 1.57 | 3.09 | 4.613 | 1,294 | 2014 |
| Kepler-356 c this | Super-Earth | 1.81 | 3.93 | 13.122 | 913 | 2014 |
Kepler-356 c Planet Profile
Physical Specs
Classification
Planet Type
Super-Earth
Discovery
Size rank in cohort
Rank by radius
#248of 1176
top 21.0%
This planet
1.81R⊕
Super-Earth median
1.60R⊕
Nearest-size peers
| Metric | Earth | Kepler-356 c | Jupiter |
|---|---|---|---|
| Radius (R⊕) | 1.00 | 1.81 | 11.21 |
| Mass (M⊕) | 1.00 | 3.93 | 317.83 |
| Density (g/cm³) | 5.51 | 3.64 | 1.33 |
| Surface Gravity (g) | 1.00 | 1.20 | 2.53 |
| Insolation (S⊕) | 1.00 | 209.37 | 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 13.12 Earth days (3.6% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.1150 AU.
Transit Fingerprint
Depth
0.020 %
Duration
3.626 h
Impact parameter b
0.160
Rp / R★
0.013190
Transit midpoint (BJD)
2,454,966.3931
Photometric dip
Transit produces a flux drop of 197 ppm lasting ≈ 3.63 h.
Extended Orbital Architecture
Planet / star radius ratio
0.013190
Semi-major axis / stellar radius
22.600
Impact parameter (b)
0.160
Transit mid-time (BJD)
2,454,966.3931
Angular separation (arcsec)
0.16300
Eq. Temperature
913K
(640 °C)
Insolation (S⊕)
209.37
Earth = 1.00
Earth Similarity (ESI)
0.310
0 = alien, 1 = Earth-identical
Inside the inner HZ boundary (too hot for liquid water) — the surface is too hot to retain surface water.
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-135 b
Super-Earth · F-type yellow-white
Radius 1.81 R⊕ · 2,028.2 ly
Kepler-1225 b
Super-Earth · F-type yellow-white
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Kepler-140 c
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Kepler-1751 b
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Kepler-1181 c
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Kepler-769 c
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