Key parameters at a glance
- A radius of 4.30 Earth radii
- A mass of 2.90 Earth masses
- Surface gravity around 0.16 g
- An orbital period of 57.688 days
- Semi-major axis 0.3070 AU
- Equilibrium temperature 512 K (239 °C)
- Distance from Earth 4,707.12 light-years
- Earth Similarity Index 0.222
- Travel time at Voyager 1 speed 83,009,986 years
2 siblings around Kepler-359
Kepler-359 c 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 | Sub-Neptune | 3.53 | 12.20 | 25.563 | 671 | 2014 |
| Kepler-359 c this | 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 c Planet Profile
Physical Specs
Classification
Planet Type
Neptune-like
Discovery
Size rank in cohort
Rank by radius
#494of 574
top 85.9%
This planet
4.30R⊕
Neptune-like median
6.39R⊕
Nearest-size peers
| Metric | Earth | Kepler-359 c | Jupiter |
|---|---|---|---|
| Radius (R⊕) | 1.00 | 4.30 | 11.21 |
| Mass (M⊕) | 1.00 | 2.90 | 317.83 |
| Density (g/cm³) | 5.51 | 0.10 | 1.33 |
| Surface Gravity (g) | 1.00 | 0.16 | 2.53 |
| Insolation (S⊕) | 1.00 | 8.10 | 0.037 |
Alternative Mass Estimates
| Method | Value | Interpretation |
|---|---|---|
| Best measured mass | 2.900 M⊕ | Direct mass measurement (not derived). |
Star Catalogue Identifiers
TIC
TIC 275568400
Gaia DR2
Gaia DR2 2077683871034907648
Gaia DR3
Gaia DR3 2077683871034907648
System
Kepler-359
Percentile among Neptune-like cohort
Orbit & Habitability
Orbital Dynamics
Year Length
A year here lasts approximately 57.69 Earth days (15.8% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.3070 AU.
Transit Fingerprint
Depth
0.163 %
Duration
4.161 h
Impact parameter b
0.060
Rp / R★
0.045656
Transit midpoint (BJD)
2,454,972.9414
Photometric dip
Transit produces a flux drop of 1,627 ppm lasting ≈ 4.16 h.
Extended Orbital Architecture
Planet / star radius ratio
0.045656
Semi-major axis / stellar radius
42.100
Impact parameter (b)
0.060
Transit mid-time (BJD)
2,454,972.9414
Angular separation (arcsec)
0.21300
Eq. Temperature
512K
(239 °C)
Insolation (S⊕)
8.10
Earth = 1.00
Earth Similarity (ESI)
0.222
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
Kepler-279 c
Neptune-like · F-type yellow-white
Radius 4.30 R⊕ · 3,383.5 ly
Kepler-145 c
Neptune-like · F-type yellow-white
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KOI-94 c
Neptune-like · F-type yellow-white
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TOI-333 b
Neptune-like · F-type yellow-white
Radius 4.26 R⊕ · 1,148.9 ly
DMPP-1 b
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HD 106315 c
Neptune-like · F-type yellow-white
Radius 4.35 R⊕ · 356.7 ly