Key parameters at a glance
- A radius of 1.25 Earth radii
- A mass of 2.10 Earth masses
- Surface gravity around 1.34 g
- An orbital period of 2.494 days
- Semi-major axis 0.0320 AU
- Distance from Earth 384.90 light-years
- Earth Similarity Index 0.935
- Travel time at Voyager 1 speed 6,787,710 years
- Almost certainly tidally locked to its host star given the close orbit
K2-130 b Planet Profile
Physical Specs
Classification
Planet Type
Super-Earth
Discovery
Size rank in cohort
Rank by radius
#1161of 1176
top 98.6%
This planet
1.25R⊕
Super-Earth median
1.60R⊕
Nearest-size peers
| Metric | Earth | K2-130 b | Jupiter |
|---|---|---|---|
| Radius (R⊕) | 1.00 | 1.25 | 11.21 |
| Mass (M⊕) | 1.00 | 2.10 | 317.83 |
| Density (g/cm³) | 5.51 | 5.91 | 1.33 |
| Surface Gravity (g) | 1.00 | 1.34 | 2.53 |
| Insolation (S⊕) | 1.00 | 136.40 | 0.037 |
Star Catalogue Identifiers
TIC
TIC 12181371
Gaia DR2
Gaia DR2 4083382672829717504
Gaia DR3
Gaia DR3 4083382672829717504
System
K2-130
Percentile among Super-Earth cohort
Orbit & Habitability
Orbital Dynamics
Year Length
A year here lasts approximately 2.49 Earth days (0.7% of a terrestrial year) on a mildly elliptical path at a mean orbital distance of 0.0320 AU.
Transit Fingerprint
Depth
0.030 %
Duration
1.704 h
Rp / R★
0.015399
Transit midpoint (BJD)
2,457,340.6120
Photometric dip
Transit produces a flux drop of 304 ppm lasting ≈ 1.70 h.
Extended Orbital Architecture
Planet / star radius ratio
0.015399
Semi-major axis / stellar radius
9.260
Transit mid-time (BJD)
2,457,340.6120
Long. of periastron (ω)
49.80°
Angular separation (arcsec)
0.27100
Eq. Temperature
—
Insolation (S⊕)
136.40
Earth = 1.00
Earth Similarity (ESI)
0.935
0 = alien, 1 = Earth-identical
Inside the inner HZ boundary (too hot for liquid water). Close-orbiting tidally-locked around a cool host.
Discovery Paper
Primary reference
Dressing et al. 2017Instrument
Kepler CCD Array
Publication
2017-11
Observation locale
Space
Discovery cohort
Planets confirmed in 2017 at K2 (12 shown).
Host System: K2-130
Spectral Class
K-type orange
Effective Temperature
4,356 K — cooler than the Sun (5,778 K)
Estimated Age
—
Stellar Radius
0.744 R☉
Stellar Mass
0.696 M☉
Metallicity [Fe/H]
-0.24
Extended Stellar Properties
Surface gravity (log g)
4.620 dex
Stellar density
2.722 g/cm³
Systemic radial velocity
-49.60 km/s
Metallicity ratio
[Fe/H]
Multi-band Host Photometry — 12 bands
Astrometric Data
Parallax
8.445 mas
Total Proper Motion
62.900 mas/yr
PM Right Ascension
61.01 mas/yr
PM Declination
-15.32 mas/yr
Galactic Cartesian (pc)
x = 0.326 · y = -0.883 · z = -0.337
Equatorial (J2000)
RA 290.27054° · Dec -19.69087°
Galactic ℓ, b
18.257° · -15.172°
Ecliptic λ, β
289.052° · 2.417°
HTM-20 index
363580186
Similar Worlds
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Super-Earth · K-type orange
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Kepler-169 d
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Kepler-1363 b
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Kepler-1697 b
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Kepler-755 c
Super-Earth · K-type orange
Radius 1.26 R⊕ · 1,301.5 ly