Key parameters at a glance
- A radius of 1.58 Earth radii
- A mass of 3.12 Earth masses
- Surface gravity around 1.25 g
- An orbital period of 3.342 days
- Semi-major axis 0.0460 AU
- Equilibrium temperature 1,356 K (1083 °C)
- Distance from Earth 2,143.57 light-years
- Earth Similarity Index 0.209
- Travel time at Voyager 1 speed 37,801,894 years
1 sibling around Kepler-111
Kepler-111 b 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-111 b this | Super-Earth | 1.58 | 3.12 | 3.342 | 1,356 | 2014 |
| Kepler-111 c | Neptune-like | 7.08 | 222.48 | 224.778 | 352 | 2014 |
Kepler-111 b Planet Profile
Physical Specs
Classification
Planet Type
Super-Earth
Discovery
Size rank in cohort
Rank by radius
#603of 1176
top 51.2%
This planet
1.58R⊕
Super-Earth median
1.60R⊕
Nearest-size peers
| Metric | Earth | Kepler-111 b | Jupiter |
|---|---|---|---|
| Radius (R⊕) | 1.00 | 1.58 | 11.21 |
| Mass (M⊕) | 1.00 | 3.12 | 317.83 |
| Density (g/cm³) | 5.51 | 4.35 | 1.33 |
| Surface Gravity (g) | 1.00 | 1.25 | 2.53 |
| Insolation (S⊕) | 1.00 | 677.50 | 0.037 |
Star Catalogue Identifiers
TIC
TIC 63001143
Gaia DR2
Gaia DR2 2126569051355142656
Gaia DR3
Gaia DR3 2126569051355142656
System
Kepler-111
Percentile among Super-Earth cohort
Orbit & Habitability
Orbital Dynamics
Year Length
A year here lasts approximately 3.34 Earth days (0.9% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.0460 AU.
Transit Fingerprint
Depth
0.018 %
Duration
2.769 h
Impact parameter b
0.010
Rp / R★
0.011790
Transit midpoint (BJD)
2,454,974.3557
Photometric dip
Transit produces a flux drop of 178 ppm lasting ≈ 2.77 h.
Extended Orbital Architecture
Planet / star radius ratio
0.011790
Semi-major axis / stellar radius
7.350
Impact parameter (b)
0.010
Transit mid-time (BJD)
2,454,974.3557
Angular separation (arcsec)
0.07000
Eq. Temperature
1,356K
(1083 °C)
Insolation (S⊕)
677.50
Earth = 1.00
Earth Similarity (ESI)
0.209
0 = alien, 1 = Earth-identical
Inside the inner HZ boundary (too hot for liquid water) — the dayside is scorched.
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-111
Spectral Class
G-type yellow (Sun-like)
Effective Temperature
5,952 K — hotter than the Sun (5,778 K)
Estimated Age
2.30 Gyr — younger than the Sun (4.6 Gyr)
Stellar Radius
1.157 R☉
Stellar Mass
1.171 M☉
Metallicity [Fe/H]
0.22
Extended Stellar Properties
Surface gravity (log g)
4.377 dex
Stellar density
0.432 g/cm³
Metallicity ratio
[Fe/H]
Multi-band Host Photometry — 16 bands
Astrometric Data
Parallax
1.493 mas
Total Proper Motion
3.827 mas/yr
PM Right Ascension
-1.14 mas/yr
PM Declination
-3.65 mas/yr
Galactic Cartesian (pc)
x = 0.262 · y = -0.661 · z = 0.703
Equatorial (J2000)
RA 291.65316° · Dec 44.68826°
Galactic ℓ, b
76.803° · 12.941°
Ecliptic λ, β
308.775° · 65.239°
HTM-20 index
597305021
Similar Worlds
Kepler-784 b
Super-Earth · G-type yellow (Sun-like)
Radius 1.58 R⊕ · 4,252.2 ly
Kepler-1523 b
Super-Earth · G-type yellow (Sun-like)
Radius 1.58 R⊕ · 2,823.2 ly
K2-65 b
Super-Earth · G-type yellow (Sun-like)
Radius 1.58 R⊕ · 235.5 ly
K2-396 b
Super-Earth · G-type yellow (Sun-like)
Radius 1.58 R⊕ · 896.5 ly
Kepler-1001 c
Super-Earth · G-type yellow (Sun-like)
Radius 1.58 R⊕ · 3,029.9 ly
Kepler-1865 b
Super-Earth · G-type yellow (Sun-like)
Radius 1.58 R⊕ · 3,008.0 ly