Key parameters at a glance
- A radius of 1.75 Earth radii
- A mass of 3.71 Earth masses
- Surface gravity around 1.21 g
- An orbital period of 68.161 days
- Semi-major axis 0.3140 AU
- Equilibrium temperature 405 K (132 °C)
- Distance from Earth 1,585.11 light-years
- Earth Similarity Index 0.675
- Travel time at Voyager 1 speed 27,953,385 years
3 siblings around Kepler-215
Kepler-215 e 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 | 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 this | Super-Earth | 1.75 | 3.71 | 68.161 | 405 | 2014 |
Kepler-215 e Planet Profile
Physical Specs
Classification
Planet Type
Super-Earth
Discovery
Size rank in cohort
Rank by radius
#326of 1176
top 27.6%
This planet
1.75R⊕
Super-Earth median
1.60R⊕
Nearest-size peers
| Metric | Earth | Kepler-215 e | Jupiter |
|---|---|---|---|
| Radius (R⊕) | 1.00 | 1.75 | 11.21 |
| Mass (M⊕) | 1.00 | 3.71 | 317.83 |
| Density (g/cm³) | 5.51 | 3.80 | 1.33 |
| Surface Gravity (g) | 1.00 | 1.21 | 2.53 |
| Insolation (S⊕) | 1.00 | 7.44 | 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 68.16 Earth days (18.7% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.3140 AU.
Transit Fingerprint
Depth
0.030 %
Duration
5.654 h
Impact parameter b
0.280
Rp / R★
0.015986
Transit midpoint (BJD)
2,455,020.0325
Photometric dip
Transit produces a flux drop of 296 ppm lasting ≈ 5.65 h.
Extended Orbital Architecture
Planet / star radius ratio
0.015986
Semi-major axis / stellar radius
82.454
Impact parameter (b)
0.280
Transit mid-time (BJD)
2,455,020.0325
Angular separation (arcsec)
0.64600
Eq. Temperature
405K
(132 °C)
Insolation (S⊕)
7.44
Earth = 1.00
Earth Similarity (ESI)
0.675
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
HD 28471 b
Super-Earth · G-type yellow (Sun-like)
Radius 1.75 R⊕ · 142.4 ly
Kepler-301 d
Super-Earth · G-type yellow (Sun-like)
Radius 1.75 R⊕ · 2,345.6 ly
Kepler-1516 b
Super-Earth · G-type yellow (Sun-like)
Radius 1.75 R⊕ · 4,432.3 ly
Kepler-939 b
Super-Earth · G-type yellow (Sun-like)
Radius 1.75 R⊕ · 6,828.5 ly
Kepler-430 c
Super-Earth · G-type yellow (Sun-like)
Radius 1.75 R⊕ · 2,992.4 ly
K2-244 b
Super-Earth · G-type yellow (Sun-like)
Radius 1.75 R⊕ · 694.4 ly