Key parameters at a glance
- A radius of 2.90 Earth radii
- A mass of 8.75 Earth masses
- Surface gravity around 1.04 g
- An orbital period of 5.960 days
- Semi-major axis 0.0640 AU
- Equilibrium temperature 890 K (617 °C)
- Distance from Earth 876.97 light-years
- Earth Similarity Index 0.267
- Travel time at Voyager 1 speed 15,465,392 years
1 sibling around Kepler-314
Kepler-314 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-314 b | Rocky Terrestrial | 0.83 | 0.50 | 2.461 | 1,195 | 2014 |
| Kepler-314 c this | Sub-Neptune | 2.90 | 8.75 | 5.960 | 890 | 2014 |
Kepler-314 c Planet Profile
Physical Specs
Classification
Planet Type
Sub-Neptune
Discovery
Size rank in cohort
Rank by radius
#621of 1978
top 31.3%
This planet
2.90R⊕
Sub-Neptune median
2.71R⊕
Nearest-size peers
| Metric | Earth | Kepler-314 c | Jupiter |
|---|---|---|---|
| Radius (R⊕) | 1.00 | 2.90 | 11.21 |
| Mass (M⊕) | 1.00 | 8.75 | 317.83 |
| Density (g/cm³) | 5.51 | 1.97 | 1.33 |
| Surface Gravity (g) | 1.00 | 1.04 | 2.53 |
| Insolation (S⊕) | 1.00 | 149.98 | 0.037 |
Star Catalogue Identifiers
TIC
TIC 271052158
Gaia DR2
Gaia DR2 2077540827141811200
Gaia DR3
Gaia DR3 2077540827141811200
System
Kepler-314
Percentile among Sub-Neptune cohort
Orbit & Habitability
Orbital Dynamics
Year Length
A year here lasts approximately 5.96 Earth days (1.6% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.0640 AU.
Transit Fingerprint
Depth
0.082 %
Duration
2.765 h
Impact parameter b
0.750
Rp / R★
0.025530
Transit midpoint (BJD)
2,454,970.2649
Photometric dip
Transit produces a flux drop of 824 ppm lasting ≈ 2.77 h.
Extended Orbital Architecture
Planet / star radius ratio
0.025530
Semi-major axis / stellar radius
16.400
Impact parameter (b)
0.750
Transit mid-time (BJD)
2,454,970.2649
Angular separation (arcsec)
0.23800
Eq. Temperature
890K
(617 °C)
Insolation (S⊕)
149.98
Earth = 1.00
Earth Similarity (ESI)
0.267
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-314
Spectral Class
G-type yellow (Sun-like)
Effective Temperature
5,378 K — cooler than the Sun (5,778 K)
Estimated Age
0.98 Gyr — younger than the Sun (4.6 Gyr)
Stellar Radius
0.950 R☉
Stellar Mass
0.990 M☉
Metallicity [Fe/H]
0.32
Extended Stellar Properties
Surface gravity (log g)
4.465 dex
Stellar density
1.410 g/cm³
Systemic radial velocity
-21.98 km/s
Metallicity ratio
[M/H]
Multi-band Host Photometry — 16 bands
Astrometric Data
Parallax
3.690 mas
Total Proper Motion
8.782 mas/yr
PM Right Ascension
6.73 mas/yr
PM Declination
5.64 mas/yr
Galactic Cartesian (pc)
x = 0.310 · y = -0.674 · z = 0.670
Equatorial (J2000)
RA 294.67415° · Dec 42.07560°
Galactic ℓ, b
75.429° · 9.805°
Ecliptic λ, β
311.331° · 62.020°
HTM-20 index
-1030056997
Similar Worlds
Kepler-130 c
Sub-Neptune · G-type yellow (Sun-like)
Radius 2.90 R⊕ · 1,032.8 ly
Kepler-178 b
Sub-Neptune · G-type yellow (Sun-like)
Radius 2.90 R⊕ · 2,335.4 ly
Kepler-1554 b
Sub-Neptune · G-type yellow (Sun-like)
Radius 2.90 R⊕ · 3,088.2 ly
Kepler-600 b
Sub-Neptune · G-type yellow (Sun-like)
Radius 2.90 R⊕ · 2,021.3 ly
Kepler-1447 b
Sub-Neptune · G-type yellow (Sun-like)
Radius 2.90 R⊕ · 2,903.8 ly
Kepler-276 c
Sub-Neptune · G-type yellow (Sun-like)
Radius 2.90 R⊕ · 3,734.0 ly