Key parameters at a glance
- A radius of 1.99 Earth radii
- A mass of 4.62 Earth masses
- Surface gravity around 1.17 g
- An orbital period of 16.197 days
- Semi-major axis 0.1148 AU
- Equilibrium temperature 495 K (222 °C)
- Distance from Earth 366.82 light-years
- Earth Similarity Index 0.545
- Travel time at Voyager 1 speed 6,468,833 years
- Almost certainly tidally locked to its host star given the close orbit
1 sibling around K2-62
K2-62 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 |
|---|---|---|---|---|---|---|
| K2-62 b | Sub-Neptune | 2.02 | 4.74 | 6.672 | 666 | 2016 |
| K2-62 c this | Super-Earth | 1.99 | 4.62 | 16.197 | 495 | 2016 |
K2-62 c Planet Profile
Physical Specs
Classification
Planet Type
Super-Earth
Discovery
Size rank in cohort
Rank by radius
#4of 1176
top 0.3%
This planet
1.99R⊕
Super-Earth median
1.60R⊕
Nearest-size peers
| Metric | Earth | K2-62 c | Jupiter |
|---|---|---|---|
| Radius (R⊕) | 1.00 | 1.99 | 11.21 |
| Mass (M⊕) | 1.00 | 4.62 | 317.83 |
| Density (g/cm³) | 5.51 | 3.22 | 1.33 |
| Surface Gravity (g) | 1.00 | 1.17 | 2.53 |
| Insolation (S⊕) | 1.00 | 14.30 | 0.037 |
Star Catalogue Identifiers
TIC
TIC 434094657
Gaia DR2
Gaia DR2 2612830229101544704
Gaia DR3
Gaia DR3 2612830229101544704
System
K2-62
Percentile among Super-Earth cohort
Orbit & Habitability
Orbital Dynamics
Year Length
A year here lasts approximately 16.20 Earth days (4.4% of a terrestrial year) at a mean orbital distance of 0.1148 AU.
Transit Fingerprint
Depth
0.083 %
Duration
1.290 h
Impact parameter b
0.220
Rp / R★
0.026900
Transit midpoint (BJD)
2,456,991.5453
Photometric dip
Transit produces a flux drop of 828 ppm lasting ≈ 1.29 h.
Extended Orbital Architecture
Planet / star radius ratio
0.026900
Semi-major axis / stellar radius
76.726
Impact parameter (b)
0.220
Transit mid-time (BJD)
2,456,991.5453
Angular separation (arcsec)
1.02000
Eq. Temperature
495K
(222 °C)
Insolation (S⊕)
14.30
Earth = 1.00
Earth Similarity (ESI)
0.545
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
Crossfield et al. 2016Instrument
Kepler CCD Array
Publication
2016-09
Observation locale
Space
Discovery cohort
Planets confirmed in 2016 at K2 (12 shown).
Host System: K2-62
Spectral Class
K-type orange
Effective Temperature
4,455 K — cooler than the Sun (5,778 K)
Estimated Age
—
Stellar Radius
0.696 R☉
Stellar Mass
0.670 M☉
Metallicity [Fe/H]
-0.10
Extended Stellar Properties
Surface gravity (log g)
4.570 dex
Stellar density
3.007 g/cm³
Systemic radial velocity
4.93 km/s
Activity index (log R'HK)
-4.972
Metallicity ratio
[Fe/H]
Multi-band Host Photometry — 12 bands
Astrometric Data
Parallax
8.863 mas
Total Proper Motion
75.689 mas/yr
PM Right Ascension
75.45 mas/yr
PM Declination
5.98 mas/yr
Galactic Cartesian (pc)
x = 0.881 · y = -0.423 · z = -0.211
Equatorial (J2000)
RA 334.36451° · Dec -12.18748°
Galactic ℓ, b
47.750° · -50.998°
Ecliptic λ, β
331.824° · -1.460°
HTM-20 index
78159660
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