Key parameters at a glance
- A radius of 1.61 Earth radii
- A mass of 597.80 Earth masses
- Surface gravity around 230.62 g
- An orbital period of 4.458 days
- Semi-major axis 0.0533 AU
- Equilibrium temperature 1,212 K (939 °C)
- Distance from Earth 3,161.27 light-years
- Earth Similarity Index 0.086
- Travel time at Voyager 1 speed 55,749,056 years
3 siblings around Kepler-58
Kepler-58 e shares its host star with 3 other confirmed planets. Side-by-side measurements below.
| Planet | Type | Radius (R⊕) | Mass (M⊕) | Period (d) | Eq. T (K) | Year |
|---|---|---|---|---|---|---|
| Kepler-58 e this | Super-Earth | 1.61 | 597.80 | 4.458 | 1,212 | 2023 |
| Kepler-58 b | Sub-Neptune | 2.78 | 35.50 | 10.218 | 920 | 2012 |
| Kepler-58 c | Sub-Neptune | 2.86 | 53.00 | 15.574 | 799 | 2012 |
| Kepler-58 d | Sub-Neptune | 2.94 | 245.34 | 40.101 | 583 | 2014 |
Kepler-58 e 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-58 e | Jupiter |
|---|---|---|---|
| Radius (R⊕) | 1.00 | 1.61 | 11.21 |
| Mass (M⊕) | 1.00 | 597.80 | 317.83 |
| Density (g/cm³) | 5.51 | 131.00 | 1.33 |
| Surface Gravity (g) | 1.00 | 230.62 | 2.53 |
| Insolation (S⊕) | 1.00 | 511.60 | 0.037 |
Alternative Mass Estimates
| Method | Value | Interpretation |
|---|---|---|
| Best measured mass | 597.796 M⊕ | Direct mass measurement (not derived). |
Star Catalogue Identifiers
TIC
TIC 184471242
Gaia DR2
Gaia DR2 2073274618947678464
Gaia DR3
Gaia DR3 2073274618947678464
System
Kepler-58
Percentile among Super-Earth cohort
Orbit & Habitability
Orbital Dynamics
Year Length
A year here lasts approximately 4.46 Earth days (1.2% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.0533 AU.
Transit Fingerprint
Depth
0.019 %
Duration
2.867 h
Impact parameter b
0.754
Rp / R★
0.013643
Transit midpoint (BJD)
2,454,967.3974
Photometric dip
Transit produces a flux drop of 188 ppm lasting ≈ 2.87 h.
Extended Orbital Architecture
Planet / star radius ratio
0.013643
Semi-major axis / stellar radius
8.090
Impact parameter (b)
0.754
Transit mid-time (BJD)
2,454,967.3974
Angular separation (arcsec)
0.05500
Eq. Temperature
1,212K
(939 °C)
Insolation (S⊕)
511.60
Earth = 1.00
Earth Similarity (ESI)
0.086
0 = alien, 1 = Earth-identical
Inside the inner HZ boundary (too hot for liquid water) — the dayside is scorched.
Discovery Paper
Primary reference
Valizadegan et al. 2023Instrument
Kepler CCD Array
Publication
2023-05
Observation locale
Space
Discovery cohort
Planets confirmed in 2023 at Kepler (12 shown).
Host System: Kepler-58
Spectral Class
F-type yellow-white
Effective Temperature
6,100 K — hotter than the Sun (5,778 K)
Estimated Age
2.14 Gyr — younger than the Sun (4.6 Gyr)
Stellar Radius
1.083 R☉
Stellar Mass
1.017 M☉
Metallicity [Fe/H]
-0.12
Extended Stellar Properties
Surface gravity (log g)
4.376 dex
Stellar density
0.504 g/cm³
Metallicity ratio
[Fe/H]
Multi-band Host Photometry — 16 bands
Astrometric Data
Parallax
1.004 mas
Total Proper Motion
4.187 mas/yr
PM Right Ascension
-4.18 mas/yr
PM Declination
0.14 mas/yr
Galactic Cartesian (pc)
x = 0.344 · y = -0.695 · z = 0.631
Equatorial (J2000)
RA 296.35863° · Dec 39.11520°
Galactic ℓ, b
73.419° · 7.266°
Ecliptic λ, β
311.677° · 58.800°
HTM-20 index
-1154929470
Similar Worlds
Kepler-1584 b
Super-Earth · F-type yellow-white
Radius 1.61 R⊕ · 4,619.4 ly
Kepler-1620 b
Super-Earth · F-type yellow-white
Radius 1.61 R⊕ · 2,919.3 ly
Kepler-140 b
Super-Earth · F-type yellow-white
Radius 1.61 R⊕ · 1,904.3 ly
Kepler-750 c
Super-Earth · F-type yellow-white
Radius 1.62 R⊕ · 4,227.0 ly
Kepler-394 b
Super-Earth · F-type yellow-white
Radius 1.60 R⊕ · 3,453.1 ly
Kepler-864 c
Super-Earth · F-type yellow-white
Radius 1.62 R⊕ · 6,597.8 ly