Key parameters at a glance
- A radius of 3.53 Earth radii
- A mass of 12.20 Earth masses
- Surface gravity around 0.98 g
- An orbital period of 25.563 days
- Semi-major axis 0.1780 AU
- Equilibrium temperature 671 K (398 °C)
- Distance from Earth 4,707.12 light-years
- Earth Similarity Index 0.328
- Travel time at Voyager 1 speed 83,009,986 years
2 siblings around Kepler-359
Kepler-359 b shares its host star with 2 other confirmed planets. Side-by-side measurements below.
| Planet | Type | Radius (R⊕) | Mass (M⊕) | Period (d) | Eq. T (K) | Year |
|---|---|---|---|---|---|---|
| Kepler-359 b this | Sub-Neptune | 3.53 | 12.20 | 25.563 | 671 | 2014 |
| Kepler-359 c | Neptune-like | 4.30 | 2.90 | 57.688 | 512 | 2014 |
| Kepler-359 d | Neptune-like | 4.01 | 2.70 | 77.096 | 464 | 2014 |
Kepler-359 b Planet Profile
Physical Specs
Classification
Planet Type
Sub-Neptune
Discovery
Size rank in cohort
Rank by radius
#164of 1978
top 8.2%
This planet
3.53R⊕
Sub-Neptune median
2.71R⊕
Nearest-size peers
| Metric | Earth | Kepler-359 b | Jupiter |
|---|---|---|---|
| Radius (R⊕) | 1.00 | 3.53 | 11.21 |
| Mass (M⊕) | 1.00 | 12.20 | 317.83 |
| Density (g/cm³) | 5.51 | 1.52 | 1.33 |
| Surface Gravity (g) | 1.00 | 0.98 | 2.53 |
| Insolation (S⊕) | 1.00 | 23.90 | 0.037 |
Star Catalogue Identifiers
TIC
TIC 275568400
Gaia DR2
Gaia DR2 2077683871034907648
Gaia DR3
Gaia DR3 2077683871034907648
System
Kepler-359
Percentile among Sub-Neptune cohort
Orbit & Habitability
Orbital Dynamics
Year Length
A year here lasts approximately 25.56 Earth days (7.0% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.1780 AU.
Transit Fingerprint
Depth
0.112 %
Duration
4.284 h
Impact parameter b
0.210
Rp / R★
0.031200
Transit midpoint (BJD)
2,455,208.2844
Photometric dip
Transit produces a flux drop of 1,125 ppm lasting ≈ 4.28 h.
Extended Orbital Architecture
Planet / star radius ratio
0.031200
Semi-major axis / stellar radius
24.600
Impact parameter (b)
0.210
Transit mid-time (BJD)
2,455,208.2844
Angular separation (arcsec)
0.12300
Eq. Temperature
671K
(398 °C)
Insolation (S⊕)
23.90
Earth = 1.00
Earth Similarity (ESI)
0.328
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-359
Spectral Class
F-type yellow-white
Effective Temperature
6,248 K — hotter than the Sun (5,778 K)
Estimated Age
3.02 Gyr — younger than the Sun (4.6 Gyr)
Stellar Radius
1.086 R☉
Stellar Mass
0.827 M☉
Metallicity [Fe/H]
-0.29
Extended Stellar Properties
Surface gravity (log g)
4.429 dex
Stellar density
0.166 g/cm³
Metallicity ratio
[Fe/H]
Multi-band Host Photometry — 16 bands
Astrometric Data
Parallax
0.666 mas
Total Proper Motion
5.617 mas/yr
PM Right Ascension
-3.11 mas/yr
PM Declination
-4.67 mas/yr
Galactic Cartesian (pc)
x = 0.293 · y = -0.680 · z = 0.672
Equatorial (J2000)
RA 293.29361° · Dec 42.19635°
Galactic ℓ, b
75.059° · 10.770°
Ecliptic λ, β
309.359° · 62.489°
HTM-20 index
-171003219
Similar Worlds
DMPP-4 b
Sub-Neptune · F-type yellow-white
Radius 3.53 R⊕ · 82.6 ly
MOA-2022-BLG-033L b
Sub-Neptune · F-type yellow-white
Radius 3.52 R⊕ · 6,001.3 ly
Kepler-1524 b
Sub-Neptune · F-type yellow-white
Radius 3.54 R⊕ · 1,245.2 ly
HIP 41378 d
Sub-Neptune · F-type yellow-white
Radius 3.54 R⊕ · 346.7 ly
Kepler-812 b
Sub-Neptune · F-type yellow-white
Radius 3.55 R⊕ · 4,836.0 ly
Kepler-234 c
Sub-Neptune · F-type yellow-white
Radius 3.51 R⊕ · 5,652.6 ly