Key parameters at a glance
- A radius of 4.01 Earth radii
- A mass of 2.70 Earth masses
- Surface gravity around 0.17 g
- An orbital period of 77.096 days
- Semi-major axis 0.3720 AU
- Equilibrium temperature 464 K (191 °C)
- Distance from Earth 4,707.12 light-years
- Earth Similarity Index 0.243
- Travel time at Voyager 1 speed 83,009,986 years
2 siblings around Kepler-359
Kepler-359 d 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 | Neptune-like | 4.30 | 2.90 | 57.688 | 512 | 2014 |
| Kepler-359 d this | Neptune-like | 4.01 | 2.70 | 77.096 | 464 | 2014 |
Kepler-359 d Planet Profile
Physical Specs
Classification
Planet Type
Neptune-like
Discovery
Size rank in cohort
Rank by radius
#568of 574
top 98.8%
This planet
4.01R⊕
Neptune-like median
6.39R⊕
Nearest-size peers
| Metric | Earth | Kepler-359 d | Jupiter |
|---|---|---|---|
| Radius (R⊕) | 1.00 | 4.01 | 11.21 |
| Mass (M⊕) | 1.00 | 2.70 | 317.83 |
| Density (g/cm³) | 5.51 | 0.10 | 1.33 |
| Surface Gravity (g) | 1.00 | 0.17 | 2.53 |
| Insolation (S⊕) | 1.00 | 5.50 | 0.037 |
Alternative Mass Estimates
| Method | Value | Interpretation |
|---|---|---|
| Best measured mass | 2.700 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 77.10 Earth days (21.1% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.3720 AU.
Transit Fingerprint
Depth
0.094 %
Duration
3.476 h
Impact parameter b
0.920
Rp / R★
0.268926
Transit midpoint (BJD)
2,455,035.6739
Photometric dip
Transit produces a flux drop of 943 ppm lasting ≈ 3.48 h.
Extended Orbital Architecture
Planet / star radius ratio
0.268926
Semi-major axis / stellar radius
37.300
Impact parameter (b)
0.920
Transit mid-time (BJD)
2,455,035.6739
Angular separation (arcsec)
0.25800
Eq. Temperature
464K
(191 °C)
Insolation (S⊕)
5.50
Earth = 1.00
Earth Similarity (ESI)
0.243
0 = alien, 1 = Earth-identical
Inside the inner HZ boundary (too hot for liquid water) — the surface is too hot to retain surface water.
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-590 b
Neptune-like · F-type yellow-white
Radius 4.02 R⊕ · 4,637.3 ly
TOI-4495 c
Neptune-like · F-type yellow-white
Radius 4.03 R⊕ · 431.2 ly
Kepler-228 d
Neptune-like · F-type yellow-white
Radius 4.04 R⊕ · 5,364.0 ly
KIC 8540376 b
Neptune-like · F-type yellow-white
Radius 4.10 R⊕ · 3,497.4 ly
HD 156098 b
Neptune-like · F-type yellow-white
Radius 4.12 R⊕ · 157.4 ly
Kepler-279 e
Neptune-like · F-type yellow-white
Radius 4.13 R⊕ · 3,383.5 ly