Key parameters at a glance
- A radius of 1.64 Earth radii
- A mass of 3.33 Earth masses
- Surface gravity around 1.24 g
- An orbital period of 1.217 days
- Semi-major axis 0.0201 AU
- Equilibrium temperature 1,314 K (1041 °C)
- Distance from Earth 2,485.37 light-years
- Earth Similarity Index 0.214
- Travel time at Voyager 1 speed 43,829,510 years
- Almost certainly tidally locked to its host star given the close orbit
Kepler-1206 b Planet Profile
Physical Specs
Classification
Planet Type
Super-Earth
Discovery
Size rank in cohort
Rank by radius
#495of 1176
top 42.0%
This planet
1.64R⊕
Super-Earth median
1.60R⊕
Nearest-size peers
| Metric | Earth | Kepler-1206 b | Jupiter |
|---|---|---|---|
| Radius (R⊕) | 1.00 | 1.64 | 11.21 |
| Mass (M⊕) | 1.00 | 3.33 | 317.83 |
| Density (g/cm³) | 5.51 | 4.15 | 1.33 |
| Surface Gravity (g) | 1.00 | 1.24 | 2.53 |
| Insolation (S⊕) | 1.00 | 588.02 | 0.037 |
Star Catalogue Identifiers
TIC
TIC 27649203
Gaia DR2
Gaia DR2 2134907747540447232
Gaia DR3
Gaia DR3 2134907747540447232
System
Kepler-1206
Percentile among Super-Earth cohort
Orbit & Habitability
Orbital Dynamics
Year Length
A year here lasts approximately 1.22 Earth days (0.3% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.0201 AU.
Transit Fingerprint
Depth
0.046 %
Duration
1.310 h
Impact parameter b
0.028
Rp / R★
0.019827
Transit midpoint (BJD)
2,454,965.0326
Photometric dip
Transit produces a flux drop of 460 ppm lasting ≈ 1.31 h.
Extended Orbital Architecture
Planet / star radius ratio
0.019827
Semi-major axis / stellar radius
7.150
Impact parameter (b)
0.028
Transit mid-time (BJD)
2,454,965.0326
Angular separation (arcsec)
0.02640
Eq. Temperature
1,314K
(1041 °C)
Insolation (S⊕)
588.02
Earth = 1.00
Earth Similarity (ESI)
0.214
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-1206
Spectral Class
K-type orange
Effective Temperature
4,877 K — cooler than the Sun (5,778 K)
Estimated Age
3.55 Gyr — younger than the Sun (4.6 Gyr)
Stellar Radius
0.750 R☉
Stellar Mass
0.800 M☉
Metallicity [Fe/H]
0.07
Extended Stellar Properties
Surface gravity (log g)
4.600 dex
Stellar density
4.710 g/cm³
Metallicity ratio
[Fe/H]
Multi-band Host Photometry — 16 bands
Astrometric Data
Parallax
1.285 mas
Total Proper Motion
2.620 mas/yr
PM Right Ascension
-2.21 mas/yr
PM Declination
-1.41 mas/yr
Galactic Cartesian (pc)
x = 0.282 · y = -0.581 · z = 0.764
Equatorial (J2000)
RA 295.93837° · Dec 49.79113°
Galactic ℓ, b
82.814° · 12.604°
Ecliptic λ, β
320.973° · 68.686°
HTM-20 index
-417383205
Similar Worlds
Kepler-247 b
Super-Earth · K-type orange
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Kepler-441 b
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Kepler-1136 b
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Kepler-331 d
Super-Earth · K-type orange
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K2-148 d
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Kepler-658 b
Super-Earth · K-type orange
Radius 1.63 R⊕ · 1,266.7 ly