Key parameters at a glance
- A radius of 1.19 Earth radii
- A mass of 1.81 Earth masses
- Surface gravity around 1.28 g
- An orbital period of 13.931 days
- Semi-major axis 0.1110 AU
- Equilibrium temperature 665 K (392 °C)
- Distance from Earth 1,964.33 light-years
- Earth Similarity Index 0.475
- Travel time at Voyager 1 speed 34,641,014 years
2 siblings around Kepler-310
Kepler-310 b shares its host star with 2 other confirmed planets. Side-by-side measurements below.
| Planet | Type | Radius (R⊕) | Mass (M⊕) | Period (d) | Eq. T (K) | Year |
|---|---|---|---|---|---|---|
| Kepler-310 b this | Rocky Terrestrial | 1.19 | 1.81 | 13.931 | 665 | 2014 |
| Kepler-310 c | Sub-Neptune | 3.38 | 11.40 | 56.475 | 417 | 2014 |
| Kepler-310 d | Sub-Neptune | 2.47 | 7.00 | 92.876 | 353 | 2014 |
Kepler-310 b Planet Profile
Physical Specs
Classification
Planet Type
Rocky Terrestrial
Discovery
Size rank in cohort
Rank by radius
#101of 570
top 17.5%
This planet
1.19R⊕
Rocky Terrestrial median
1.01R⊕
Nearest-size peers
| Metric | Earth | Kepler-310 b | Jupiter |
|---|---|---|---|
| Radius (R⊕) | 1.00 | 1.19 | 11.21 |
| Mass (M⊕) | 1.00 | 1.81 | 317.83 |
| Density (g/cm³) | 5.51 | 5.90 | 1.33 |
| Surface Gravity (g) | 1.00 | 1.28 | 2.53 |
| Insolation (S⊕) | 1.00 | 45.97 | 0.037 |
Star Catalogue Identifiers
TIC
TIC 158840828
Gaia DR2
Gaia DR2 2127798442794047104
Gaia DR3
Gaia DR3 2127798442794047104
System
Kepler-310
Percentile among Rocky Terrestrial cohort
Orbit & Habitability
Orbital Dynamics
Year Length
A year here lasts approximately 13.93 Earth days (3.8% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.1110 AU.
Transit Fingerprint
Depth
0.019 %
Duration
2.104 h
Impact parameter b
0.210
Rp / R★
0.012991
Transit midpoint (BJD)
2,454,967.4267
Photometric dip
Transit produces a flux drop of 187 ppm lasting ≈ 2.10 h.
Extended Orbital Architecture
Planet / star radius ratio
0.012991
Semi-major axis / stellar radius
18.500
Impact parameter (b)
0.210
Transit mid-time (BJD)
2,454,967.4267
Angular separation (arcsec)
0.18400
Eq. Temperature
665K
(392 °C)
Insolation (S⊕)
45.97
Earth = 1.00
Earth Similarity (ESI)
0.475
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
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-310
Spectral Class
G-type yellow (Sun-like)
Effective Temperature
5,797 K — hotter than the Sun (5,778 K)
Estimated Age
1.90 Gyr — younger than the Sun (4.6 Gyr)
Stellar Radius
0.876 R☉
Stellar Mass
0.854 M☉
Metallicity [Fe/H]
-0.12
Extended Stellar Properties
Surface gravity (log g)
4.521 dex
Stellar density
1.460 g/cm³
Metallicity ratio
[Fe/H]
Multi-band Host Photometry — 16 bands
Astrometric Data
Parallax
1.632 mas
Total Proper Motion
7.268 mas/yr
PM Right Ascension
-7.27 mas/yr
PM Declination
-0.19 mas/yr
Galactic Cartesian (pc)
x = 0.220 · y = -0.646 · z = 0.731
Equatorial (J2000)
RA 288.83928° · Dec 46.98675°
Galactic ℓ, b
78.130° · 15.674°
Ecliptic λ, β
306.149° · 68.075°
HTM-20 index
1862303311
Similar Worlds
Kepler-953 c
Rocky Terrestrial · G-type yellow (Sun-like)
Radius 1.19 R⊕ · 844.4 ly
Kepler-407 b
Rocky Terrestrial · G-type yellow (Sun-like)
Radius 1.19 R⊕ · 1,103.6 ly
Kepler-775 b
Rocky Terrestrial · G-type yellow (Sun-like)
Radius 1.19 R⊕ · 1,300.3 ly
Kepler-206 d
Rocky Terrestrial · G-type yellow (Sun-like)
Radius 1.19 R⊕ · 1,938.8 ly
Kepler-1139 b
Rocky Terrestrial · G-type yellow (Sun-like)
Radius 1.19 R⊕ · 1,615.0 ly
Kepler-409 b
Rocky Terrestrial · G-type yellow (Sun-like)
Radius 1.20 R⊕ · 222.4 ly