Key parameters at a glance
- A radius of 3.69 Earth radii
- A mass of 13.20 Earth masses
- Surface gravity around 0.97 g
- An orbital period of 7.382 days
- Semi-major axis 0.0730 AU
- Equilibrium temperature 876 K (603 °C)
- Distance from Earth 2,906.35 light-years
- Earth Similarity Index 0.246
- Travel time at Voyager 1 speed 51,253,480 years
4 siblings around Kepler-150
Kepler-150 c shares its host star with 4 other confirmed planets. Side-by-side measurements below.
| Planet | Type | Radius (R⊕) | Mass (M⊕) | Period (d) | Eq. T (K) | Year |
|---|---|---|---|---|---|---|
| Kepler-150 b | Super-Earth | 1.25 | 2.10 | 3.428 | 1,131 | 2014 |
| Kepler-150 c this | Sub-Neptune | 3.69 | 13.20 | 7.382 | 876 | 2014 |
| Kepler-150 d | Sub-Neptune | 2.79 | 8.20 | 12.561 | 734 | 2014 |
| Kepler-150 e | Sub-Neptune | 3.12 | 9.91 | 30.827 | 544 | 2014 |
| Kepler-150 f | Sub-Neptune | 3.64 | 12.90 | 637.209 | — | 2017 |
Kepler-150 c Planet Profile
Physical Specs
Classification
Planet Type
Sub-Neptune
Discovery
Size rank in cohort
Rank by radius
#92of 1978
top 4.6%
This planet
3.69R⊕
Sub-Neptune median
2.71R⊕
Nearest-size peers
| Metric | Earth | Kepler-150 c | Jupiter |
|---|---|---|---|
| Radius (R⊕) | 1.00 | 3.69 | 11.21 |
| Mass (M⊕) | 1.00 | 13.20 | 317.83 |
| Density (g/cm³) | 5.51 | 1.44 | 1.33 |
| Surface Gravity (g) | 1.00 | 0.97 | 2.53 |
| Insolation (S⊕) | 1.00 | 132.09 | 0.037 |
Star Catalogue Identifiers
TIC
TIC 121598758
Gaia DR2
Gaia DR2 2102063136195478656
Gaia DR3
Gaia DR3 2102063136195478656
System
Kepler-150
Percentile among Sub-Neptune cohort
Orbit & Habitability
Orbital Dynamics
Year Length
A year here lasts approximately 7.38 Earth days (2.0% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.0730 AU.
Transit Fingerprint
Depth
0.151 %
Duration
3.124 h
Impact parameter b
0.530
Rp / R★
0.034222
Transit midpoint (BJD)
2,455,006.0712
Photometric dip
Transit produces a flux drop of 1,512 ppm lasting ≈ 3.12 h.
Extended Orbital Architecture
Planet / star radius ratio
0.034222
Semi-major axis / stellar radius
18.652
Impact parameter (b)
0.530
Transit mid-time (BJD)
2,455,006.0712
Angular separation (arcsec)
0.08190
Eq. Temperature
876K
(603 °C)
Insolation (S⊕)
132.09
Earth = 1.00
Earth Similarity (ESI)
0.246
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-150
Spectral Class
G-type yellow (Sun-like)
Effective Temperature
5,560 K — cooler than the Sun (5,778 K)
Estimated Age
1.74 Gyr — younger than the Sun (4.6 Gyr)
Stellar Radius
0.939 R☉
Stellar Mass
0.956 M☉
Metallicity [Fe/H]
0.12
Extended Stellar Properties
Surface gravity (log g)
4.466 dex
Stellar density
1.390 g/cm³
Metallicity ratio
[Fe/H]
Multi-band Host Photometry — 16 bands
Astrometric Data
Parallax
1.094 mas
Total Proper Motion
1.466 mas/yr
PM Right Ascension
0.66 mas/yr
PM Declination
1.31 mas/yr
Galactic Cartesian (pc)
x = 0.238 · y = -0.722 · z = 0.650
Equatorial (J2000)
RA 288.23410° · Dec 40.52090°
Galactic ℓ, b
71.833° · 13.468°
Ecliptic λ, β
300.485° · 62.044°
HTM-20 index
-1329079056
Similar Worlds
Kepler-1627 b
Sub-Neptune · G-type yellow (Sun-like)
Radius 3.69 R⊕ · 1,035.3 ly
Kepler-222 d
Sub-Neptune · G-type yellow (Sun-like)
Radius 3.69 R⊕ · 2,475.0 ly
Kepler-19 c
Sub-Neptune · G-type yellow (Sun-like)
Radius 3.68 R⊕ · 712.9 ly
Kepler-1016 c
Sub-Neptune · G-type yellow (Sun-like)
Radius 3.68 R⊕ · 4,575.4 ly
Kepler-582 b
Sub-Neptune · G-type yellow (Sun-like)
Radius 3.68 R⊕ · 1,999.9 ly
Kepler-698 b
Sub-Neptune · G-type yellow (Sun-like)
Radius 3.68 R⊕ · 6,508.7 ly