Key parameters at a glance
- A radius of 1.38 Earth radii
- A mass of 2.48 Earth masses
- Surface gravity around 1.30 g
- An orbital period of 9.032 days
- Equilibrium temperature 518 K (245 °C)
- Distance from Earth 1,479.34 light-years
- Earth Similarity Index 0.589
- Travel time at Voyager 1 speed 26,088,089 years
- Almost certainly tidally locked to its host star given the close orbit
K2-349 b Planet Profile
Physical Specs
Classification
Planet Type
Super-Earth
Discovery
Size rank in cohort
Rank by radius
#953of 1176
top 81.0%
This planet
1.38R⊕
Super-Earth median
1.60R⊕
Nearest-size peers
| Metric | Earth | K2-349 b | Jupiter |
|---|---|---|---|
| Radius (R⊕) | 1.00 | 1.38 | 11.21 |
| Mass (M⊕) | 1.00 | 2.48 | 317.83 |
| Density (g/cm³) | 5.51 | 5.19 | 1.33 |
| Surface Gravity (g) | 1.00 | 1.30 | 2.53 |
| Insolation (S⊕) | 1.00 | — | 0.037 |
Star Catalogue Identifiers
TIC
TIC 347812320
Gaia DR2
Gaia DR2 3608708904525885440
Gaia DR3
Gaia DR3 3608708904525885440
System
K2-349
Percentile among Super-Earth cohort
Orbit & Habitability
Orbital Dynamics
Year Length
A year here lasts approximately 9.03 Earth days (2.5% of a terrestrial year).
Transit Fingerprint
Depth
0.103 %
Duration
3.250 h
Impact parameter b
0.400
Rp / R★
0.025500
Transit midpoint (BJD)
2,457,219.1274
Photometric dip
Transit produces a flux drop of 1,028 ppm lasting ≈ 3.25 h.
Extended Orbital Architecture
Planet / star radius ratio
0.025500
Semi-major axis / stellar radius
19.990
Impact parameter (b)
0.400
Transit mid-time (BJD)
2,457,219.1274
Eq. Temperature
518K
(245 °C)
Insolation (S⊕)
—
Earth = 1.00
Earth Similarity (ESI)
0.589
0 = alien, 1 = Earth-identical
Insufficient insolation data — the surface is too hot to retain surface water. Close-orbiting tidally-locked around a cool host.
Discovery Paper
Primary reference
De Leon et al. 2021Instrument
Kepler CCD Array
Publication
2021-08
Observation locale
Space
Discovery cohort
Planets confirmed in 2021 at K2 (12 shown).
Host System: K2-349
Spectral Class
K-type orange
Effective Temperature
4,385 K — cooler than the Sun (5,778 K)
Estimated Age
—
Stellar Radius
0.490 R☉
Stellar Mass
0.540 M☉
Metallicity [Fe/H]
-0.66
Extended Stellar Properties
Surface gravity (log g)
4.780 dex
Stellar density
2.612 g/cm³
Metallicity ratio
[Fe/H]
Multi-band Host Photometry — 12 bands
Astrometric Data
Parallax
2.176 mas
Total Proper Motion
30.642 mas/yr
PM Right Ascension
-13.80 mas/yr
PM Declination
-27.36 mas/yr
Galactic Cartesian (pc)
x = -0.915 · y = -0.317 · z = -0.249
Equatorial (J2000)
RA 199.09965° · Dec -14.44475°
Galactic ℓ, b
311.981° · 47.988°
Ecliptic λ, β
203.077° · -5.902°
HTM-20 index
-1024010297
Similar Worlds
Kepler-1315 b
Super-Earth · K-type orange
Radius 1.38 R⊕ · 1,568.4 ly
Kepler-1120 b
Super-Earth · K-type orange
Radius 1.38 R⊕ · 2,006.6 ly
K2-270 b
Super-Earth · K-type orange
Radius 1.38 R⊕ · 914.9 ly
Kepler-353 c
Super-Earth · K-type orange
Radius 1.38 R⊕ · 1,254.7 ly
Kepler-224 b
Super-Earth · K-type orange
Radius 1.39 R⊕ · 2,550.8 ly
Kepler-240 b
Super-Earth · K-type orange
Radius 1.37 R⊕ · 2,436.1 ly