Key parameters at a glance
- A radius of 2.74 Earth radii
- A mass of 7.95 Earth masses
- Surface gravity around 1.06 g
- An orbital period of 9.927 days
- Semi-major axis 0.0900 AU
- Equilibrium temperature 803 K (530 °C)
- Distance from Earth 2,125.47 light-years
- Earth Similarity Index 0.304
- Travel time at Voyager 1 speed 37,482,729 years
2 siblings around Kepler-192
Kepler-192 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-192 d | Rocky Terrestrial | 1.02 | 1.04 | 6.470 | 926 | 2016 |
| Kepler-192 b this | Sub-Neptune | 2.74 | 7.95 | 9.927 | 803 | 2014 |
| Kepler-192 c | Sub-Neptune | 2.79 | 8.20 | 21.223 | 623 | 2014 |
Kepler-192 b Planet Profile
Physical Specs
Classification
Planet Type
Sub-Neptune
Discovery
Size rank in cohort
Rank by radius
#815of 1978
top 41.2%
This planet
2.74R⊕
Sub-Neptune median
2.71R⊕
Nearest-size peers
| Metric | Earth | Kepler-192 b | Jupiter |
|---|---|---|---|
| Radius (R⊕) | 1.00 | 2.74 | 11.21 |
| Mass (M⊕) | 1.00 | 7.95 | 317.83 |
| Density (g/cm³) | 5.51 | 2.12 | 1.33 |
| Surface Gravity (g) | 1.00 | 1.06 | 2.53 |
| Insolation (S⊕) | 1.00 | 105.30 | 0.037 |
Star Catalogue Identifiers
TIC
TIC 158626833
Gaia DR2
Gaia DR2 2130243550494676480
Gaia DR3
Gaia DR3 2130243550494676480
System
Kepler-192
Percentile among Sub-Neptune cohort
Orbit & Habitability
Orbital Dynamics
Year Length
A year here lasts approximately 9.93 Earth days (2.7% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.0900 AU.
Transit Fingerprint
Depth
0.073 %
Duration
3.780 h
Impact parameter b
0.380
Rp / R★
0.024821
Transit midpoint (BJD)
2,455,008.6850
Photometric dip
Transit produces a flux drop of 726 ppm lasting ≈ 3.78 h.
Extended Orbital Architecture
Planet / star radius ratio
0.024821
Semi-major axis / stellar radius
19.830
Impact parameter (b)
0.380
Transit mid-time (BJD)
2,455,008.6850
Angular separation (arcsec)
0.13800
Eq. Temperature
803K
(530 °C)
Insolation (S⊕)
105.30
Earth = 1.00
Earth Similarity (ESI)
0.304
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-192
Spectral Class
G-type yellow (Sun-like)
Effective Temperature
5,479 K — cooler than the Sun (5,778 K)
Estimated Age
2.95 Gyr — younger than the Sun (4.6 Gyr)
Stellar Radius
1.007 R☉
Stellar Mass
1.028 M☉
Metallicity [Fe/H]
0.36
Extended Stellar Properties
Surface gravity (log g)
4.428 dex
Stellar density
1.110 g/cm³
Metallicity ratio
[M/H]
Multi-band Host Photometry — 16 bands
Astrometric Data
Parallax
1.506 mas
Total Proper Motion
4.580 mas/yr
PM Right Ascension
3.44 mas/yr
PM Declination
-3.02 mas/yr
Galactic Cartesian (pc)
x = 0.215 · y = -0.666 · z = 0.714
Equatorial (J2000)
RA 287.91794° · Dec 45.59288°
Galactic ℓ, b
76.539° · 15.714°
Ecliptic λ, β
303.379° · 66.967°
HTM-20 index
1211133841
Similar Worlds
Kepler-212 c
Sub-Neptune · G-type yellow (Sun-like)
Radius 2.74 R⊕ · 2,241.3 ly
TOI-251 b
Sub-Neptune · G-type yellow (Sun-like)
Radius 2.74 R⊕ · 324.6 ly
Kepler-1118 b
Sub-Neptune · G-type yellow (Sun-like)
Radius 2.74 R⊕ · 2,897.3 ly
K2-350 c
Sub-Neptune · G-type yellow (Sun-like)
Radius 2.74 R⊕ · 1,596.1 ly
Kepler-1815 b
Sub-Neptune · G-type yellow (Sun-like)
Radius 2.75 R⊕ · 3,283.2 ly
Kepler-221 d
Sub-Neptune · G-type yellow (Sun-like)
Radius 2.73 R⊕ · 1,256.5 ly