Key parameters at a glance
- A radius of 1.74 Earth radii
- A mass of 3.68 Earth masses
- Surface gravity around 1.22 g
- An orbital period of 10.356 days
- Semi-major axis 0.0850 AU
- Equilibrium temperature 620 K (347 °C)
- Distance from Earth 1,076.31 light-years
- Earth Similarity Index 0.464
- Travel time at Voyager 1 speed 18,980,810 years
- Almost certainly tidally locked to its host star given the close orbit
Kepler-615 b Planet Profile
Physical Specs
Classification
Planet Type
Super-Earth
Discovery
Size rank in cohort
Rank by radius
#344of 1176
top 29.2%
This planet
1.74R⊕
Super-Earth median
1.60R⊕
Nearest-size peers
| Metric | Earth | Kepler-615 b | Jupiter |
|---|---|---|---|
| Radius (R⊕) | 1.00 | 1.74 | 11.21 |
| Mass (M⊕) | 1.00 | 3.68 | 317.83 |
| Density (g/cm³) | 5.51 | 3.84 | 1.33 |
| Surface Gravity (g) | 1.00 | 1.22 | 2.53 |
| Insolation (S⊕) | 1.00 | 19.18 | 0.037 |
Star Catalogue Identifiers
TIC
TIC 123492903
Gaia DR2
Gaia DR2 2107111749991029248
Gaia DR3
Gaia DR3 2107111749991684992
System
Kepler-615
Percentile among Super-Earth cohort
Orbit & Habitability
Orbital Dynamics
Year Length
A year here lasts approximately 10.36 Earth days (2.8% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.0850 AU.
Transit Fingerprint
Depth
0.068 %
Duration
2.812 h
Impact parameter b
0.921
Rp / R★
0.023079
Transit midpoint (BJD)
2,455,008.6817
Photometric dip
Transit produces a flux drop of 681 ppm lasting ≈ 2.81 h.
Extended Orbital Architecture
Planet / star radius ratio
0.023079
Semi-major axis / stellar radius
28.300
Impact parameter (b)
0.921
Transit mid-time (BJD)
2,455,008.6817
Angular separation (arcsec)
0.25800
Eq. Temperature
620K
(347 °C)
Insolation (S⊕)
19.18
Earth = 1.00
Earth Similarity (ESI)
0.464
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
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-615
Spectral Class
K-type orange
Effective Temperature
4,655 K — cooler than the Sun (5,778 K)
Estimated Age
3.72 Gyr — younger than the Sun (4.6 Gyr)
Stellar Radius
0.690 R☉
Stellar Mass
0.730 M☉
Metallicity [Fe/H]
-0.07
Extended Stellar Properties
Surface gravity (log g)
4.620 dex
Stellar density
3.999 g/cm³
Metallicity ratio
[Fe/H]
Multi-band Host Photometry — 16 bands
Astrometric Data
Parallax
0.608 mas
Total Proper Motion
7.355 mas/yr
PM Right Ascension
4.94 mas/yr
PM Declination
-5.45 mas/yr
Galactic Cartesian (pc)
x = 0.149 · y = -0.674 · z = 0.723
Equatorial (J2000)
RA 282.45069° · Dec 46.32137°
Galactic ℓ, b
75.817° · 19.522°
Ecliptic λ, β
294.213° · 68.716°
HTM-20 index
1655233184
Similar Worlds
K2-252 b
Super-Earth · K-type orange
Radius 1.74 R⊕ · 746.4 ly
Kepler-1856 b
Super-Earth · K-type orange
Radius 1.73 R⊕ · 2,768.3 ly
Kepler-245 e
Super-Earth · K-type orange
Radius 1.75 R⊕ · 2,809.9 ly
Kepler-1059 b
Super-Earth · K-type orange
Radius 1.73 R⊕ · 2,326.0 ly
Kepler-124 c
Super-Earth · K-type orange
Radius 1.75 R⊕ · 1,370.0 ly
K2-216 b
Super-Earth · K-type orange
Radius 1.75 R⊕ · 376.6 ly