Key parameters at a glance
- A radius of 3.25 Earth radii
- A mass of 10.60 Earth masses
- Surface gravity around 1.00 g
- An orbital period of 35.968 days
- Semi-major axis 0.2244 AU
- Equilibrium temperature 667 K (394 °C)
- Distance from Earth 2,992.41 light-years
- Earth Similarity Index 0.342
- Travel time at Voyager 1 speed 52,771,082 years
1 sibling around Kepler-430
Kepler-430 b 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-430 b this | Sub-Neptune | 3.25 | 10.60 | 35.968 | 667 | 2015 |
| Kepler-430 c | Super-Earth | 1.75 | 3.71 | 110.979 | 458 | 2015 |
Kepler-430 b Planet Profile
Physical Specs
Classification
Planet Type
Sub-Neptune
Discovery
Size rank in cohort
Rank by radius
#312of 1978
top 15.7%
This planet
3.25R⊕
Sub-Neptune median
2.71R⊕
Nearest-size peers
| Metric | Earth | Kepler-430 b | Jupiter |
|---|---|---|---|
| Radius (R⊕) | 1.00 | 3.25 | 11.21 |
| Mass (M⊕) | 1.00 | 10.60 | 317.83 |
| Density (g/cm³) | 5.51 | 1.70 | 1.33 |
| Surface Gravity (g) | 1.00 | 1.00 | 2.53 |
| Insolation (S⊕) | 1.00 | 40.84 | 0.037 |
Star Catalogue Identifiers
TIC
TIC 26748113
Gaia DR2
Gaia DR2 2129833810615727488
Gaia DR3
Gaia DR3 2129833810615727488
System
Kepler-430
Percentile among Sub-Neptune cohort
Orbit & Habitability
Orbital Dynamics
Year Length
A year here lasts approximately 35.97 Earth days (9.8% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.2244 AU.
Transit Fingerprint
Depth
0.027 %
Duration
2.839 h
Impact parameter b
0.954
Rp / R★
0.020030
Transit midpoint (BJD)
2,454,971.6689
Photometric dip
Transit produces a flux drop of 270 ppm lasting ≈ 2.84 h.
Extended Orbital Architecture
Planet / star radius ratio
0.020030
Semi-major axis / stellar radius
102.460
Impact parameter (b)
0.954
Transit mid-time (BJD)
2,454,971.6689
Angular separation (arcsec)
0.24500
Eq. Temperature
667K
(394 °C)
Insolation (S⊕)
40.84
Earth = 1.00
Earth Similarity (ESI)
0.342
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
Everett et al. 2015Instrument
Kepler CCD Array
Publication
2015-02
Observation locale
Space
Discovery cohort
Planets confirmed in 2015 at Kepler (12 shown).
Host System: Kepler-430
Spectral Class
G-type yellow (Sun-like)
Effective Temperature
5,884 K — hotter than the Sun (5,778 K)
Estimated Age
4.68 Gyr — older than the Sun (4.6 Gyr)
Stellar Radius
1.485 R☉
Stellar Mass
1.166 M☉
Metallicity [Fe/H]
0.20
Extended Stellar Properties
Surface gravity (log g)
4.150 dex
Stellar density
0.480 g/cm³
Metallicity ratio
[Fe/H]
Multi-band Host Photometry — 16 bands
Astrometric Data
Parallax
1.061 mas
Total Proper Motion
8.761 mas/yr
PM Right Ascension
-1.80 mas/yr
PM Declination
-8.57 mas/yr
Galactic Cartesian (pc)
x = 0.251 · y = -0.598 · z = 0.761
Equatorial (J2000)
RA 292.80860° · Dec 49.57942°
Galactic ℓ, b
81.698° · 14.326°
Ecliptic λ, β
315.666° · 69.428°
HTM-20 index
782993170
Similar Worlds
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Sub-Neptune · G-type yellow (Sun-like)
Radius 3.25 R⊕ · 1,699.4 ly
K2-164 b
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Kepler-1097 b
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Kepler-726 b
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Kepler-368 b
Sub-Neptune · G-type yellow (Sun-like)
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Kepler-987 b
Sub-Neptune · G-type yellow (Sun-like)
Radius 3.26 R⊕ · 2,981.5 ly