Key parameters at a glance
- A radius of 6.35 Earth radii
- A mass of 33.10 Earth masses
- Surface gravity around 0.82 g
- An orbital period of 296.638 days
- Semi-major axis 0.8567 AU
- Equilibrium temperature 332 K (59 °C)
- Distance from Earth 2,126.53 light-years
- Earth Similarity Index 0.463
- Travel time at Voyager 1 speed 37,501,423 years
1 sibling around Kepler-511
Kepler-511 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-511 c | Neptune-like | 4.21 | 16.50 | 26.629 | 742 | 2021 |
| Kepler-511 b this | Neptune-like | 6.35 | 33.10 | 296.638 | 332 | 2016 |
Kepler-511 b Planet Profile
Physical Specs
Classification
Planet Type
Neptune-like
Discovery
Size rank in cohort
Rank by radius
#252of 574
top 43.7%
This planet
6.35R⊕
Neptune-like median
6.39R⊕
Nearest-size peers
| Metric | Earth | Kepler-511 b | Jupiter |
|---|---|---|---|
| Radius (R⊕) | 1.00 | 6.35 | 11.21 |
| Mass (M⊕) | 1.00 | 33.10 | 317.83 |
| Density (g/cm³) | 5.51 | 0.71 | 1.33 |
| Surface Gravity (g) | 1.00 | 0.82 | 2.53 |
| Insolation (S⊕) | 1.00 | 4.21 | 0.037 |
Star Catalogue Identifiers
TIC
TIC 164456037
Gaia DR2
Gaia DR2 2107644188496163200
Gaia DR3
Gaia DR3 2107644188496163200
System
Kepler-511
Percentile among Neptune-like cohort
Orbit & Habitability
Orbital Dynamics
Year Length
A year here lasts approximately 296.64 Earth days (81.2% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.8567 AU.
Transit Fingerprint
Depth
0.281 %
Duration
16.223 h
Impact parameter b
0.423
Rp / R★
0.048438
Transit midpoint (BJD)
2,455,236.6728
Photometric dip
Transit produces a flux drop of 2,810 ppm lasting ≈ 16.22 h.
Extended Orbital Architecture
Planet / star radius ratio
0.048438
Semi-major axis / stellar radius
132.393
Impact parameter (b)
0.423
Transit mid-time (BJD)
2,455,236.6728
Angular separation (arcsec)
1.31000
Eq. Temperature
332K
(59 °C)
Insolation (S⊕)
4.21
Earth = 1.00
Earth Similarity (ESI)
0.463
0 = alien, 1 = Earth-identical
Inside the inner HZ boundary (too hot for liquid water) — liquid water is physically possible with adequate atmospheric pressure.
Discovery Paper
Primary reference
Morton et al. 2016Instrument
Kepler CCD Array
Publication
2016-05
Observation locale
Space
Discovery cohort
Planets confirmed in 2016 at Kepler (12 shown).
Host System: Kepler-511
Spectral Class
G-type yellow (Sun-like)
Effective Temperature
5,770 K — cooler than the Sun (5,778 K)
Estimated Age
7.94 Gyr — older than the Sun (4.6 Gyr)
Stellar Radius
1.200 R☉
Stellar Mass
1.000 M☉
Metallicity [Fe/H]
0.01
Extended Stellar Properties
Surface gravity (log g)
4.280 dex
Stellar density
0.200 g/cm³
Systemic radial velocity
2.62 km/s
Metallicity ratio
[Fe/H]
Multi-band Host Photometry — 15 bands
Astrometric Data
Parallax
1.505 mas
Total Proper Motion
25.293 mas/yr
PM Right Ascension
-24.26 mas/yr
PM Declination
7.17 mas/yr
Galactic Cartesian (pc)
x = 0.151 · y = -0.657 · z = 0.738
Equatorial (J2000)
RA 282.94554° · Dec 47.57492°
Galactic ℓ, b
77.192° · 19.614°
Ecliptic λ, β
296.016° · 69.847°
HTM-20 index
1610354275
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