Key parameters at a glance
- A radius of 1.61 Earth radii
- A mass of 3.22 Earth masses
- Surface gravity around 1.24 g
- An orbital period of 55.328 days
- Semi-major axis 0.2810 AU
- Equilibrium temperature 436 K (163 °C)
- Distance from Earth 1,862.46 light-years
- Earth Similarity Index 0.652
- Travel time at Voyager 1 speed 32,844,509 years
2 siblings around Kepler-149
Kepler-149 c 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-149 b | Neptune-like | 4.21 | 16.50 | 29.199 | 540 | 2014 |
| Kepler-149 c this | Super-Earth | 1.61 | 3.22 | 55.328 | 436 | 2014 |
| Kepler-149 d | Sub-Neptune | 3.96 | 14.90 | 160.018 | 306 | 2014 |
Kepler-149 c Planet Profile
Physical Specs
Classification
Planet Type
Super-Earth
Discovery
Size rank in cohort
Rank by radius
#550of 1176
top 46.7%
This planet
1.61R⊕
Super-Earth median
1.60R⊕
Nearest-size peers
| Metric | Earth | Kepler-149 c | Jupiter |
|---|---|---|---|
| Radius (R⊕) | 1.00 | 1.61 | 11.21 |
| Mass (M⊕) | 1.00 | 3.22 | 317.83 |
| Density (g/cm³) | 5.51 | 4.24 | 1.33 |
| Surface Gravity (g) | 1.00 | 1.24 | 2.53 |
| Insolation (S⊕) | 1.00 | 10.08 | 0.037 |
Star Catalogue Identifiers
TIC
TIC 120638033
Gaia DR2
Gaia DR2 2100015089629466112
Gaia DR3
Gaia DR3 2100015089629466112
System
Kepler-149
Percentile among Super-Earth cohort
Orbit & Habitability
Orbital Dynamics
Year Length
A year here lasts approximately 55.33 Earth days (15.1% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.2810 AU.
Transit Fingerprint
Depth
0.033 %
Duration
6.948 h
Impact parameter b
0.500
Rp / R★
0.016221
Transit midpoint (BJD)
2,455,019.3267
Photometric dip
Transit produces a flux drop of 326 ppm lasting ≈ 6.95 h.
Extended Orbital Architecture
Planet / star radius ratio
0.016221
Semi-major axis / stellar radius
60.800
Impact parameter (b)
0.500
Transit mid-time (BJD)
2,455,019.3267
Angular separation (arcsec)
0.49200
Eq. Temperature
436K
(163 °C)
Insolation (S⊕)
10.08
Earth = 1.00
Earth Similarity (ESI)
0.652
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-149
Spectral Class
G-type yellow (Sun-like)
Effective Temperature
5,381 K — cooler than the Sun (5,778 K)
Estimated Age
14.00 Gyr — older than the Sun (4.6 Gyr)
Stellar Radius
0.953 R☉
Stellar Mass
1.013 M☉
Metallicity [Fe/H]
0.38
Extended Stellar Properties
Surface gravity (log g)
4.465 dex
Stellar density
1.120 g/cm³
Metallicity ratio
[M/H]
Multi-band Host Photometry — 17 bands
Astrometric Data
Parallax
1.722 mas
Total Proper Motion
5.538 mas/yr
PM Right Ascension
-1.96 mas/yr
PM Declination
-5.18 mas/yr
Galactic Cartesian (pc)
x = 0.214 · y = -0.754 · z = 0.621
Equatorial (J2000)
RA 285.85370° · Dec 38.38409°
Galactic ℓ, b
69.054° · 14.282°
Ecliptic λ, β
295.702° · 60.416°
HTM-20 index
772216789
Similar Worlds
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Super-Earth · G-type yellow (Sun-like)
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Kepler-1448 b
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Kepler-1322 b
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Kepler-1610 b
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Kepler-1555 b
Super-Earth · G-type yellow (Sun-like)
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