Key parameters at a glance
- A radius of 2.13 Earth radii
- A mass of 5.18 Earth masses
- Surface gravity around 1.14 g
- An orbital period of 6.877 days
- Semi-major axis 0.0600 AU
- Equilibrium temperature 484 K (211 °C)
- Distance from Earth 864.29 light-years
- Earth Similarity Index 0.542
- Travel time at Voyager 1 speed 15,241,763 years
- Almost certainly tidally locked to its host star given the close orbit
2 siblings around Kepler-267
Kepler-267 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-267 b | Super-Earth | 1.98 | 37.90 | 3.354 | 615 | 2014 |
| Kepler-267 c this | Sub-Neptune | 2.13 | 5.18 | 6.877 | 484 | 2014 |
| Kepler-267 d | Sub-Neptune | 2.27 | 5.77 | 28.465 | 301 | 2014 |
Kepler-267 c Planet Profile
Physical Specs
Classification
Planet Type
Sub-Neptune
Discovery
Size rank in cohort
Rank by radius
#1765of 1978
top 89.2%
This planet
2.13R⊕
Sub-Neptune median
2.71R⊕
Nearest-size peers
| Metric | Earth | Kepler-267 c | Jupiter |
|---|---|---|---|
| Radius (R⊕) | 1.00 | 2.13 | 11.21 |
| Mass (M⊕) | 1.00 | 5.18 | 317.83 |
| Density (g/cm³) | 5.51 | 2.95 | 1.33 |
| Surface Gravity (g) | 1.00 | 1.14 | 2.53 |
| Insolation (S⊕) | 1.00 | 17.58 | 0.037 |
Star Catalogue Identifiers
TIC
TIC 269357457
Gaia DR2
Gaia DR2 2085626983551485440
Gaia DR3
Gaia DR3 2085626983551485440
System
Kepler-267
Percentile among Sub-Neptune cohort
Orbit & Habitability
Orbital Dynamics
Year Length
A year here lasts approximately 6.88 Earth days (1.9% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.0600 AU.
Transit Fingerprint
Depth
0.163 %
Duration
1.350 h
Impact parameter b
0.190
Rp / R★
0.039291
Transit midpoint (BJD)
2,454,965.0830
Photometric dip
Transit produces a flux drop of 1,632 ppm lasting ≈ 1.35 h.
Extended Orbital Architecture
Planet / star radius ratio
0.039291
Semi-major axis / stellar radius
22.000
Impact parameter (b)
0.190
Transit mid-time (BJD)
2,454,965.0830
Angular separation (arcsec)
0.22600
Eq. Temperature
484K
(211 °C)
Insolation (S⊕)
17.58
Earth = 1.00
Earth Similarity (ESI)
0.542
0 = alien, 1 = Earth-identical
Inside the inner HZ boundary (too hot for liquid water) — the surface is too hot to retain surface water. Close-orbiting tidally-locked around a cool host.
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-267
Spectral Class
M-type red dwarf
Effective Temperature
4,258 K — cooler than the Sun (5,778 K)
Estimated Age
3.06 Gyr — younger than the Sun (4.6 Gyr)
Stellar Radius
0.555 R☉
Stellar Mass
0.542 M☉
Metallicity [Fe/H]
-0.18
Extended Stellar Properties
Surface gravity (log g)
4.729 dex
Stellar density
4.693 g/cm³
Metallicity ratio
[Fe/H]
Multi-band Host Photometry — 16 bands
Astrometric Data
Parallax
3.745 mas
Total Proper Motion
37.232 mas/yr
PM Right Ascension
28.59 mas/yr
PM Declination
23.86 mas/yr
Galactic Cartesian (pc)
x = 0.338 · y = -0.590 · z = 0.733
Equatorial (J2000)
RA 299.83057° · Dec 47.15757°
Galactic ℓ, b
81.738° · 9.073°
Ecliptic λ, β
323.577° · 65.144°
HTM-20 index
988276124
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