Key parameters at a glance
- A radius of 1.46 Earth radii
- A mass of 2.73 Earth masses
- Surface gravity around 1.28 g
- An orbital period of 3.763 days
- Semi-major axis 0.0450 AU
- Equilibrium temperature 948 K (675 °C)
- Distance from Earth 1,413.52 light-years
- Earth Similarity Index 0.319
- Travel time at Voyager 1 speed 24,927,383 years
- Almost certainly tidally locked to its host star given the close orbit
1 sibling around Kepler-190
Kepler-190 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-190 b | Super-Earth | 1.56 | 3.05 | 2.020 | 1,166 | 2014 |
| Kepler-190 c this | Super-Earth | 1.46 | 2.73 | 3.763 | 948 | 2014 |
Kepler-190 c Planet Profile
Physical Specs
Classification
Planet Type
Super-Earth
Discovery
Size rank in cohort
Rank by radius
#819of 1176
top 69.6%
This planet
1.46R⊕
Super-Earth median
1.60R⊕
Nearest-size peers
| Metric | Earth | Kepler-190 c | Jupiter |
|---|---|---|---|
| Radius (R⊕) | 1.00 | 1.46 | 11.21 |
| Mass (M⊕) | 1.00 | 2.73 | 317.83 |
| Density (g/cm³) | 5.51 | 4.82 | 1.33 |
| Surface Gravity (g) | 1.00 | 1.28 | 2.53 |
| Insolation (S⊕) | 1.00 | 181.70 | 0.037 |
Star Catalogue Identifiers
TIC
TIC 158789380
Gaia DR2
Gaia DR2 2127179245948119424
Gaia DR3
Gaia DR3 2127179245948119424
System
Kepler-190
Percentile among Super-Earth cohort
Orbit & Habitability
Orbital Dynamics
Year Length
A year here lasts approximately 3.76 Earth days (1.0% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.0450 AU.
Transit Fingerprint
Depth
0.036 %
Duration
1.536 h
Impact parameter b
0.160
Rp / R★
0.017050
Transit midpoint (BJD)
2,454,965.5949
Photometric dip
Transit produces a flux drop of 361 ppm lasting ≈ 1.54 h.
Extended Orbital Architecture
Planet / star radius ratio
0.017050
Semi-major axis / stellar radius
19.310
Impact parameter (b)
0.160
Transit mid-time (BJD)
2,454,965.5949
Angular separation (arcsec)
0.10400
Eq. Temperature
948K
(675 °C)
Insolation (S⊕)
181.70
Earth = 1.00
Earth Similarity (ESI)
0.319
0 = alien, 1 = Earth-identical
Inside the inner HZ boundary (too hot for liquid water) — the surface is too hot to retain surface water. Close-orbiting tidally-locked around a cool host.
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-190
Spectral Class
K-type orange
Effective Temperature
5,106 K — cooler than the Sun (5,778 K)
Estimated Age
1.48 Gyr — younger than the Sun (4.6 Gyr)
Stellar Radius
0.795 R☉
Stellar Mass
0.834 M☉
Metallicity [Fe/H]
0.06
Extended Stellar Properties
Surface gravity (log g)
4.561 dex
Stellar density
1.880 g/cm³
Metallicity ratio
[Fe/H]
Multi-band Host Photometry — 16 bands
Astrometric Data
Parallax
2.279 mas
Total Proper Motion
9.915 mas/yr
PM Right Ascension
-8.87 mas/yr
PM Declination
-4.43 mas/yr
Galactic Cartesian (pc)
x = 0.226 · y = -0.673 · z = 0.704
Equatorial (J2000)
RA 288.58398° · Dec 44.73377°
Galactic ℓ, b
75.913° · 14.943°
Ecliptic λ, β
303.825° · 66.004°
HTM-20 index
1287512436
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