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 14.667 days
- Semi-major axis 0.1130 AU
- Equilibrium temperature 675 K (402 °C)
- Distance from Earth 1,585.11 light-years
- Earth Similarity Index 0.425
- Travel time at Voyager 1 speed 27,953,385 years
3 siblings around Kepler-215
Kepler-215 c shares its host star with 3 other confirmed planets. Side-by-side measurements below.
| Planet | Type | Radius (R⊕) | Mass (M⊕) | Period (d) | Eq. T (K) | Year |
|---|---|---|---|---|---|---|
| Kepler-215 b | Super-Earth | 1.62 | 3.26 | 9.361 | 784 | 2014 |
| Kepler-215 c this | Super-Earth | 1.77 | 3.78 | 14.667 | 675 | 2014 |
| Kepler-215 d | Sub-Neptune | 2.39 | 23.60 | 30.864 | 527 | 2014 |
| Kepler-215 e | Super-Earth | 1.75 | 3.71 | 68.161 | 405 | 2014 |
Kepler-215 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-215 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 | 57.69 | 0.037 |
Star Catalogue Identifiers
TIC
TIC 271352188
Gaia DR2
Gaia DR2 2079885608708649344
Gaia DR3
Gaia DR3 2079885608708649344
System
Kepler-215
Percentile among Super-Earth cohort
Orbit & Habitability
Orbital Dynamics
Year Length
A year here lasts approximately 14.67 Earth days (4.0% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.1130 AU.
Transit Fingerprint
Depth
0.020 %
Duration
3.855 h
Impact parameter b
0.850
Rp / R★
0.013500
Transit midpoint (BJD)
2,454,978.4238
Photometric dip
Transit produces a flux drop of 198 ppm lasting ≈ 3.86 h.
Extended Orbital Architecture
Planet / star radius ratio
0.013500
Semi-major axis / stellar radius
29.609
Impact parameter (b)
0.850
Transit mid-time (BJD)
2,454,978.4238
Angular separation (arcsec)
0.23300
Eq. Temperature
675K
(402 °C)
Insolation (S⊕)
57.69
Earth = 1.00
Earth Similarity (ESI)
0.425
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-215
Spectral Class
G-type yellow (Sun-like)
Effective Temperature
5,739 K — cooler than the Sun (5,778 K)
Estimated Age
1.62 Gyr — younger than the Sun (4.6 Gyr)
Stellar Radius
1.027 R☉
Stellar Mass
0.788 M☉
Metallicity [Fe/H]
-0.44
Extended Stellar Properties
Surface gravity (log g)
4.364 dex
Stellar density
1.120 g/cm³
Metallicity ratio
[M/H]
Multi-band Host Photometry — 16 bands
Astrometric Data
Parallax
2.029 mas
Total Proper Motion
5.860 mas/yr
PM Right Ascension
4.87 mas/yr
PM Declination
3.26 mas/yr
Galactic Cartesian (pc)
x = 0.297 · y = -0.639 · z = 0.710
Equatorial (J2000)
RA 294.97353° · Dec 45.21369°
Galactic ℓ, b
78.357° · 11.073°
Ecliptic λ, β
314.409° · 64.849°
HTM-20 index
-1202227853
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