Key parameters at a glance
- A radius of 1.44 Earth radii
- A mass of 2.67 Earth masses
- Surface gravity around 1.29 g
- An orbital period of 9.459 days
- Semi-major axis 0.0795 AU
- Equilibrium temperature 631 K (358 °C)
- Distance from Earth 405.85 light-years
- Earth Similarity Index 0.484
- Travel time at Voyager 1 speed 7,157,088 years
- Almost certainly tidally locked to its host star given the close orbit
K2-162 b Planet Profile
Physical Specs
Classification
Planet Type
Super-Earth
Discovery
Size rank in cohort
Rank by radius
#850of 1176
top 72.2%
This planet
1.44R⊕
Super-Earth median
1.60R⊕
Nearest-size peers
| Metric | Earth | K2-162 b | Jupiter |
|---|---|---|---|
| Radius (R⊕) | 1.00 | 1.44 | 11.21 |
| Mass (M⊕) | 1.00 | 2.67 | 317.83 |
| Density (g/cm³) | 5.51 | 4.91 | 1.33 |
| Surface Gravity (g) | 1.00 | 1.29 | 2.53 |
| Insolation (S⊕) | 1.00 | — | 0.037 |
Star Catalogue Identifiers
TIC
TIC 94892940
Gaia DR2
Gaia DR2 3694878833385971840
Gaia DR3
Gaia DR3 3694878833385971840
System
K2-162
Percentile among Super-Earth cohort
Orbit & Habitability
Orbital Dynamics
Year Length
A year here lasts approximately 9.46 Earth days (2.6% of a terrestrial year) at a mean orbital distance of 0.0795 AU.
Transit Fingerprint
Depth
0.027 %
Duration
3.000 h
Impact parameter b
0.410
Rp / R★
0.019000
Transit midpoint (BJD)
2,457,583.9076
Photometric dip
Transit produces a flux drop of 267 ppm lasting ≈ 3.00 h.
Extended Orbital Architecture
Planet / star radius ratio
0.019000
Semi-major axis / stellar radius
23.600
Impact parameter (b)
0.410
Transit mid-time (BJD)
2,457,583.9076
Angular separation (arcsec)
0.63900
Eq. Temperature
631K
(358 °C)
Insolation (S⊕)
—
Earth = 1.00
Earth Similarity (ESI)
0.484
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
Mayo et al. 2018Instrument
Kepler CCD Array
Publication
2018-03
Observation locale
Space
Discovery cohort
Planets confirmed in 2018 at K2 (12 shown).
Host System: K2-162
Spectral Class
K-type orange
Effective Temperature
4,842 K — cooler than the Sun (5,778 K)
Estimated Age
—
Stellar Radius
0.690 R☉
Stellar Mass
0.750 M☉
Metallicity [Fe/H]
-0.17
Extended Stellar Properties
Surface gravity (log g)
4.630 dex
Stellar density
1.977 g/cm³
Systemic radial velocity
-30.70 km/s
Metallicity ratio
[Fe/H]
Multi-band Host Photometry — 17 bands
Astrometric Data
Parallax
8.008 mas
Total Proper Motion
70.031 mas/yr
PM Right Ascension
-63.17 mas/yr
PM Declination
-30.24 mas/yr
Galactic Cartesian (pc)
x = -0.994 · y = -0.105 · z = -0.019
Equatorial (J2000)
RA 186.03839° · Dec -1.11148°
Galactic ℓ, b
288.751° · 61.007°
Ecliptic λ, β
185.980° · 1.377°
HTM-20 index
2071789538
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