Key parameters at a glance
- A radius of 2.85 Earth radii
- A mass of 8.50 Earth masses
- Surface gravity around 1.05 g
- An orbital period of 83.488 days
- Semi-major axis 0.3810 AU
- Equilibrium temperature 411 K (138 °C)
- Distance from Earth 3,591.30 light-years
- Earth Similarity Index 0.558
- Travel time at Voyager 1 speed 63,332,638 years
1 sibling around Kepler-358
Kepler-358 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 |
|---|---|---|---|---|---|---|
| Kepler-358 b | Sub-Neptune | 2.72 | 7.85 | 34.060 | 554 | 2014 |
| Kepler-358 c this | Sub-Neptune | 2.85 | 8.50 | 83.488 | 411 | 2014 |
Kepler-358 c Planet Profile
Physical Specs
Classification
Planet Type
Sub-Neptune
Discovery
Size rank in cohort
Rank by radius
#685of 1978
top 34.6%
This planet
2.85R⊕
Sub-Neptune median
2.71R⊕
Nearest-size peers
| Metric | Earth | Kepler-358 c | Jupiter |
|---|---|---|---|
| Radius (R⊕) | 1.00 | 2.85 | 11.21 |
| Mass (M⊕) | 1.00 | 8.50 | 317.83 |
| Density (g/cm³) | 5.51 | 2.02 | 1.33 |
| Surface Gravity (g) | 1.00 | 1.05 | 2.53 |
| Insolation (S⊕) | 1.00 | 6.60 | 0.037 |
Star Catalogue Identifiers
TIC
TIC 26815908
Gaia DR2
Gaia DR2 2128902558627267200
Gaia DR3
Gaia DR3 2128902558627267200
System
Kepler-358
Percentile among Sub-Neptune cohort
Orbit & Habitability
Orbital Dynamics
Year Length
A year here lasts approximately 83.49 Earth days (22.9% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.3810 AU.
Transit Fingerprint
Depth
0.096 %
Duration
6.088 h
Impact parameter b
0.250
Rp / R★
0.027700
Transit midpoint (BJD)
2,455,021.5381
Photometric dip
Transit produces a flux drop of 955 ppm lasting ≈ 6.09 h.
Extended Orbital Architecture
Planet / star radius ratio
0.027700
Semi-major axis / stellar radius
107.300
Impact parameter (b)
0.250
Transit mid-time (BJD)
2,455,021.5381
Angular separation (arcsec)
0.34600
Eq. Temperature
411K
(138 °C)
Insolation (S⊕)
6.60
Earth = 1.00
Earth Similarity (ESI)
0.558
0 = alien, 1 = Earth-identical
Inside the inner HZ boundary (too hot for liquid water) — the surface is too hot to retain surface water.
Detection Signatures
Transit photometry
A transit dip has been observed from at least one telescope.
Transit timing variations
Gravitational interactions from neighbours have been detected.
Discovery Paper
Primary reference
Rowe et al. 2014Instrument
Kepler CCD Array
Publication
2014-03
Observation locale
Space
Discovery cohort
Planets confirmed in 2014 at Kepler (12 shown).
Host System: Kepler-358
Spectral Class
G-type yellow (Sun-like)
Effective Temperature
5,908 K — hotter than the Sun (5,778 K)
Estimated Age
0.40 Gyr — younger than the Sun (4.6 Gyr)
Stellar Radius
0.954 R☉
Stellar Mass
0.940 M☉
Metallicity [Fe/H]
0.04
Extended Stellar Properties
Surface gravity (log g)
4.504 dex
Stellar density
2.434 g/cm³
Metallicity ratio
[M/H]
Multi-band Host Photometry — 16 bands
Astrometric Data
Parallax
0.880 mas
Total Proper Motion
2.187 mas/yr
PM Right Ascension
-0.46 mas/yr
PM Declination
-2.14 mas/yr
Galactic Cartesian (pc)
x = 0.262 · y = -0.612 · z = 0.746
Equatorial (J2000)
RA 293.23023° · Dec 48.28139°
Galactic ℓ, b
80.613° · 13.517°
Ecliptic λ, β
314.814° · 68.137°
HTM-20 index
-580377710
Similar Worlds
Kepler-288 c
Sub-Neptune · G-type yellow (Sun-like)
Radius 2.85 R⊕ · 3,894.8 ly
HD 39855 b
Sub-Neptune · G-type yellow (Sun-like)
Radius 2.85 R⊕ · 75.9 ly
Kepler-800 b
Sub-Neptune · G-type yellow (Sun-like)
Radius 2.85 R⊕ · 3,324.4 ly
Kepler-466 b
Sub-Neptune · G-type yellow (Sun-like)
Radius 2.85 R⊕ · 1,729.0 ly
HD 189567 b
Sub-Neptune · G-type yellow (Sun-like)
Radius 2.85 R⊕ · 58.4 ly
HD 135694 b
Sub-Neptune · G-type yellow (Sun-like)
Radius 2.86 R⊕ · 240.9 ly