Key parameters at a glance
- A radius of 3.01 Earth radii
- A mass of 29.90 Earth masses
- Surface gravity around 3.30 g
- An orbital period of 7.171 days
- Semi-major axis 0.0720 AU
- Equilibrium temperature 890 K (617 °C)
- Distance from Earth 1,348.52 light-years
- Earth Similarity Index 0.290
- Travel time at Voyager 1 speed 23,781,230 years
1 sibling around Kepler-414
Kepler-414 c shares its host star with 1 other confirmed planet. Side-by-side measurements below.
| Planet | Type | Radius (R⊕) | Mass (M⊕) | Period (d) | Eq. T (K) | Year |
|---|---|---|---|---|---|---|
| Kepler-414 b | Super-Earth | 1.71 | 3.50 | 4.700 | 1,024 | 2014 |
| Kepler-414 c this | Sub-Neptune | 3.01 | 29.90 | 7.171 | 890 | 2014 |
Kepler-414 c Planet Profile
Physical Specs
Classification
Planet Type
Sub-Neptune
Discovery
Size rank in cohort
Rank by radius
#509of 1978
top 25.7%
This planet
3.01R⊕
Sub-Neptune median
2.71R⊕
Nearest-size peers
| Metric | Earth | Kepler-414 c | Jupiter |
|---|---|---|---|
| Radius (R⊕) | 1.00 | 3.01 | 11.21 |
| Mass (M⊕) | 1.00 | 29.90 | 317.83 |
| Density (g/cm³) | 5.51 | 6.02 | 1.33 |
| Surface Gravity (g) | 1.00 | 3.30 | 2.53 |
| Insolation (S⊕) | 1.00 | 137.09 | 0.037 |
Alternative Mass Estimates
| Method | Value | Interpretation |
|---|---|---|
| Best measured mass | 29.900 M⊕ | Direct mass measurement (not derived). |
Star Catalogue Identifiers
TIC
TIC 28357724
Gaia DR2
Gaia DR2 2086519821353411456
Gaia DR3
Gaia DR3 2086519821353411456
System
Kepler-414
Percentile among Sub-Neptune cohort
Orbit & Habitability
Orbital Dynamics
Year Length
A year here lasts approximately 7.17 Earth days (2.0% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.0720 AU.
Transit Fingerprint
Depth
0.086 %
Duration
2.923 h
Impact parameter b
0.740
Rp / R★
0.026573
Transit midpoint (BJD)
2,455,009.6668
Photometric dip
Transit produces a flux drop of 863 ppm lasting ≈ 2.92 h.
Extended Orbital Architecture
Planet / star radius ratio
0.026573
Semi-major axis / stellar radius
18.930
Impact parameter (b)
0.740
Transit mid-time (BJD)
2,455,009.6668
Angular separation (arcsec)
0.17400
Eq. Temperature
890K
(617 °C)
Insolation (S⊕)
137.09
Earth = 1.00
Earth Similarity (ESI)
0.290
0 = alien, 1 = Earth-identical
Inside the inner HZ boundary (too hot for liquid water) — the surface is too hot to retain surface water.
Detection Signatures
Transit photometry
A transit dip has been observed from at least one telescope.
Transit timing variations
Gravitational interactions from neighbours have been detected.
Discovery Paper
Primary reference
Hadden et al. 2014Instrument
Kepler CCD Array
Publication
2014-05
Observation locale
Space
Discovery cohort
Planets confirmed in 2014 at Kepler (12 shown).
Host System: Kepler-414
Spectral Class
G-type yellow (Sun-like)
Effective Temperature
5,536 K — cooler than the Sun (5,778 K)
Estimated Age
1.55 Gyr — younger than the Sun (4.6 Gyr)
Stellar Radius
0.946 R☉
Stellar Mass
0.890 M☉
Metallicity [Fe/H]
0.18
Extended Stellar Properties
Surface gravity (log g)
4.470 dex
Stellar density
1.410 g/cm³
Systemic radial velocity
-28.20 km/s
Rotational v·sin i
6.10 km/s
Metallicity ratio
[Fe/H]
Multi-band Host Photometry — 16 bands
Astrometric Data
Parallax
2.390 mas
Total Proper Motion
8.781 mas/yr
PM Right Ascension
2.81 mas/yr
PM Declination
-8.32 mas/yr
Galactic Cartesian (pc)
x = 0.312 · y = -0.588 · z = 0.746
Equatorial (J2000)
RA 297.96156° · Dec 48.24434°
Galactic ℓ, b
82.062° · 10.704°
Ecliptic λ, β
322.113° · 66.695°
HTM-20 index
2076957661
Similar Worlds
Kepler-530 b
Sub-Neptune · G-type yellow (Sun-like)
Radius 3.01 R⊕ · 1,492.8 ly
Kepler-679 b
Sub-Neptune · G-type yellow (Sun-like)
Radius 3.01 R⊕ · 3,008.0 ly
Kepler-180 c
Sub-Neptune · G-type yellow (Sun-like)
Radius 3.01 R⊕ · 2,268.9 ly
Kepler-809 b
Sub-Neptune · G-type yellow (Sun-like)
Radius 3.01 R⊕ · 3,135.7 ly
Kepler-623 b
Sub-Neptune · G-type yellow (Sun-like)
Radius 3.01 R⊕ · 2,406.1 ly
Kepler-1036 b
Sub-Neptune · G-type yellow (Sun-like)
Radius 3.01 R⊕ · 1,596.3 ly