Key parameters at a glance
- A radius of 2.21 Earth radii
- A mass of 5.52 Earth masses
- Surface gravity around 1.13 g
- An orbital period of 31.720 days
- Semi-major axis 0.1980 AU
- Equilibrium temperature 743 K (470 °C)
- Distance from Earth 1,913.01 light-years
- Earth Similarity Index 0.357
- Travel time at Voyager 1 speed 33,735,860 years
1 sibling around Kepler-110
Kepler-110 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-110 b | Super-Earth | 1.83 | 4.01 | 12.691 | 1,008 | 2014 |
| Kepler-110 c this | Sub-Neptune | 2.21 | 5.52 | 31.720 | 743 | 2014 |
Kepler-110 c Planet Profile
Physical Specs
Classification
Planet Type
Sub-Neptune
Discovery
Size rank in cohort
Rank by radius
#1658of 1978
top 83.8%
This planet
2.21R⊕
Sub-Neptune median
2.71R⊕
Nearest-size peers
| Metric | Earth | Kepler-110 c | Jupiter |
|---|---|---|---|
| Radius (R⊕) | 1.00 | 2.21 | 11.21 |
| Mass (M⊕) | 1.00 | 5.52 | 317.83 |
| Density (g/cm³) | 5.51 | 2.81 | 1.33 |
| Surface Gravity (g) | 1.00 | 1.13 | 2.53 |
| Insolation (S⊕) | 1.00 | 45.34 | 0.037 |
Star Catalogue Identifiers
TIC
TIC 26751563
Gaia DR2
Gaia DR2 2128925579652377472
Gaia DR3
Gaia DR3 2128925579652377472
System
Kepler-110
Percentile among Sub-Neptune cohort
Orbit & Habitability
Orbital Dynamics
Year Length
A year here lasts approximately 31.72 Earth days (8.7% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.1980 AU.
Transit Fingerprint
Depth
0.036 %
Duration
4.823 h
Impact parameter b
0.010
Rp / R★
0.017582
Transit midpoint (BJD)
2,454,975.8206
Photometric dip
Transit produces a flux drop of 363 ppm lasting ≈ 4.82 h.
Extended Orbital Architecture
Planet / star radius ratio
0.017582
Semi-major axis / stellar radius
20.200
Impact parameter (b)
0.010
Transit mid-time (BJD)
2,454,975.8206
Angular separation (arcsec)
0.33800
Eq. Temperature
743K
(470 °C)
Insolation (S⊕)
45.34
Earth = 1.00
Earth Similarity (ESI)
0.357
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-110
Spectral Class
G-type yellow (Sun-like)
Effective Temperature
5,960 K — hotter than the Sun (5,778 K)
Estimated Age
4.47 Gyr — younger than the Sun (4.6 Gyr)
Stellar Radius
1.149 R☉
Stellar Mass
0.989 M☉
Metallicity [Fe/H]
-0.15
Extended Stellar Properties
Surface gravity (log g)
4.327 dex
Stellar density
0.530 g/cm³
Systemic radial velocity
0.04 km/s
Metallicity ratio
[M/H]
Multi-band Host Photometry — 16 bands
Astrometric Data
Parallax
1.676 mas
Total Proper Motion
6.916 mas/yr
PM Right Ascension
5.52 mas/yr
PM Declination
4.17 mas/yr
Galactic Cartesian (pc)
x = 0.258 · y = -0.609 · z = 0.750
Equatorial (J2000)
RA 292.92917° · Dec 48.60283°
Galactic ℓ, b
80.823° · 13.836°
Ecliptic λ, β
314.692° · 68.513°
HTM-20 index
-560018101
Similar Worlds
Kepler-632 b
Sub-Neptune · G-type yellow (Sun-like)
Radius 2.21 R⊕ · 1,138.3 ly
Kepler-862 b
Sub-Neptune · G-type yellow (Sun-like)
Radius 2.21 R⊕ · 3,388.9 ly
Kepler-1980 b
Sub-Neptune · G-type yellow (Sun-like)
Radius 2.21 R⊕ · 5,575.3 ly
Kepler-1162 b
Sub-Neptune · G-type yellow (Sun-like)
Radius 2.21 R⊕ · 3,066.6 ly
Kepler-19 b
Sub-Neptune · G-type yellow (Sun-like)
Radius 2.21 R⊕ · 712.9 ly
Kepler-1655 b
Sub-Neptune · G-type yellow (Sun-like)
Radius 2.21 R⊕ · 695.6 ly