Key parameters at a glance
- A radius of 1.77 Earth radii
- A mass of 3.78 Earth masses
- Surface gravity around 1.21 g
- An orbital period of 13.137 days
- Semi-major axis 0.1110 AU
- Equilibrium temperature 825 K (552 °C)
- Distance from Earth 1,938.82 light-years
- Earth Similarity Index 0.347
- Travel time at Voyager 1 speed 34,191,169 years
2 siblings around Kepler-206
Kepler-206 c shares its host star with 2 other confirmed planets. Side-by-side measurements below.
| Planet | Type | Radius (R⊕) | Mass (M⊕) | Period (d) | Eq. T (K) | Year |
|---|---|---|---|---|---|---|
| Kepler-206 b | Rocky Terrestrial | 1.20 | 1.87 | 7.782 | 983 | 2014 |
| Kepler-206 c this | Super-Earth | 1.77 | 3.78 | 13.137 | 825 | 2014 |
| Kepler-206 d | Rocky Terrestrial | 1.19 | 1.81 | 23.443 | 681 | 2014 |
Kepler-206 c Planet Profile
Physical Specs
Classification
Planet Type
Super-Earth
Discovery
Size rank in cohort
Rank by radius
#293of 1176
top 24.8%
This planet
1.77R⊕
Super-Earth median
1.60R⊕
Nearest-size peers
| Metric | Earth | Kepler-206 c | Jupiter |
|---|---|---|---|
| Radius (R⊕) | 1.00 | 1.77 | 11.21 |
| Mass (M⊕) | 1.00 | 3.78 | 317.83 |
| Density (g/cm³) | 5.51 | 3.75 | 1.33 |
| Surface Gravity (g) | 1.00 | 1.21 | 2.53 |
| Insolation (S⊕) | 1.00 | 95.51 | 0.037 |
Star Catalogue Identifiers
TIC
TIC 137342279
Gaia DR2
Gaia DR2 2101715862321812736
Gaia DR3
Gaia DR3 2101715862321812736
System
Kepler-206
Percentile among Super-Earth cohort
Orbit & Habitability
Orbital Dynamics
Year Length
A year here lasts approximately 13.14 Earth days (3.6% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.1110 AU.
Transit Fingerprint
Depth
0.021 %
Duration
4.768 h
Impact parameter b
0.350
Rp / R★
0.013552
Transit midpoint (BJD)
2,455,003.2278
Photometric dip
Transit produces a flux drop of 213 ppm lasting ≈ 4.77 h.
Extended Orbital Architecture
Planet / star radius ratio
0.013552
Semi-major axis / stellar radius
20.530
Impact parameter (b)
0.350
Transit mid-time (BJD)
2,455,003.2278
Angular separation (arcsec)
0.18700
Eq. Temperature
825K
(552 °C)
Insolation (S⊕)
95.51
Earth = 1.00
Earth Similarity (ESI)
0.347
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-206
Spectral Class
G-type yellow (Sun-like)
Effective Temperature
5,764 K — cooler than the Sun (5,778 K)
Estimated Age
8.32 Gyr — older than the Sun (4.6 Gyr)
Stellar Radius
1.185 R☉
Stellar Mass
0.957 M☉
Metallicity [Fe/H]
0.02
Extended Stellar Properties
Surface gravity (log g)
4.311 dex
Stellar density
0.780 g/cm³
Metallicity ratio
[M/H]
Multi-band Host Photometry — 16 bands
Astrometric Data
Parallax
1.653 mas
Total Proper Motion
5.869 mas/yr
PM Right Ascension
1.11 mas/yr
PM Declination
-5.76 mas/yr
Galactic Cartesian (pc)
x = 0.275 · y = -0.693 · z = 0.667
Equatorial (J2000)
RA 291.63466° · Dec 41.83384°
Galactic ℓ, b
74.167° · 11.710°
Ecliptic λ, β
306.578° · 62.552°
HTM-20 index
-307371590
Similar Worlds
Kepler-286 e
Super-Earth · G-type yellow (Sun-like)
Radius 1.77 R⊕ · 4,001.4 ly
Kepler-822 b
Super-Earth · G-type yellow (Sun-like)
Radius 1.77 R⊕ · 2,806.2 ly
Kepler-82 d
Super-Earth · G-type yellow (Sun-like)
Radius 1.77 R⊕ · 2,949.5 ly
rho CrB e
Super-Earth · G-type yellow (Sun-like)
Radius 1.77 R⊕ · 57.0 ly
Kepler-294 b
Super-Earth · G-type yellow (Sun-like)
Radius 1.77 R⊕ · 4,426.0 ly
Kepler-321 b
Super-Earth · G-type yellow (Sun-like)
Radius 1.77 R⊕ · 1,254.2 ly