Key parameters at a glance
- A radius of 2.52 Earth radii
- A mass of 6.90 Earth masses
- Surface gravity around 1.09 g
- An orbital period of 4.497 days
- Semi-major axis 0.0413 AU
- Equilibrium temperature 535 K (262 °C)
- Distance from Earth 1,111.18 light-years
- Earth Similarity Index 0.466
- Travel time at Voyager 1 speed 19,595,731 years
- Almost certainly tidally locked to its host star given the close orbit
1 sibling around Kepler-1350
Kepler-1350 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-1350 c | Super-Earth | 1.73 | 3.64 | 1.767 | 730 | 2016 |
| Kepler-1350 b this | Sub-Neptune | 2.52 | 6.90 | 4.497 | 535 | 2016 |
Kepler-1350 b Planet Profile
Physical Specs
Classification
Planet Type
Sub-Neptune
Discovery
Size rank in cohort
Rank by radius
#1147of 1978
top 57.9%
This planet
2.52R⊕
Sub-Neptune median
2.71R⊕
Nearest-size peers
| Metric | Earth | Kepler-1350 b | Jupiter |
|---|---|---|---|
| Radius (R⊕) | 1.00 | 2.52 | 11.21 |
| Mass (M⊕) | 1.00 | 6.90 | 317.83 |
| Density (g/cm³) | 5.51 | 2.37 | 1.33 |
| Surface Gravity (g) | 1.00 | 1.09 | 2.53 |
| Insolation (S⊕) | 1.00 | 27.18 | 0.037 |
Star Catalogue Identifiers
TIC
TIC 158664221
Gaia DR2
Gaia DR2 2130405728459739520
Gaia DR3
Gaia DR3 2130405728459739520
System
Kepler-1350
Percentile among Sub-Neptune cohort
Orbit & Habitability
Orbital Dynamics
Year Length
A year here lasts approximately 4.50 Earth days (1.2% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.0413 AU.
Transit Fingerprint
Depth
0.193 %
Duration
1.786 h
Impact parameter b
0.323
Rp / R★
0.044016
Transit midpoint (BJD)
2,454,967.2064
Photometric dip
Transit produces a flux drop of 1,933 ppm lasting ≈ 1.79 h.
Extended Orbital Architecture
Planet / star radius ratio
0.044016
Semi-major axis / stellar radius
20.650
Impact parameter (b)
0.323
Transit mid-time (BJD)
2,454,967.2064
Angular separation (arcsec)
0.12100
Eq. Temperature
535K
(262 °C)
Insolation (S⊕)
27.18
Earth = 1.00
Earth Similarity (ESI)
0.466
0 = alien, 1 = Earth-identical
Inside the inner HZ boundary (too hot for liquid water) — the surface is too hot to retain surface water. Close-orbiting tidally-locked around a cool host.
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-1350
Spectral Class
K-type orange
Effective Temperature
3,827 K — cooler than the Sun (5,778 K)
Estimated Age
4.57 Gyr — younger than the Sun (4.6 Gyr)
Stellar Radius
0.530 R☉
Stellar Mass
0.550 M☉
Metallicity [Fe/H]
-0.06
Extended Stellar Properties
Surface gravity (log g)
4.740 dex
Stellar density
4.982 g/cm³
Metallicity ratio
[Fe/H]
Multi-band Host Photometry — 16 bands
Astrometric Data
Parallax
2.908 mas
Total Proper Motion
24.696 mas/yr
PM Right Ascension
3.73 mas/yr
PM Declination
-24.41 mas/yr
Galactic Cartesian (pc)
x = 0.215 · y = -0.652 · z = 0.728
Equatorial (J2000)
RA 288.25061° · Dec 46.67948°
Galactic ℓ, b
77.672° · 15.925°
Ecliptic λ, β
304.860° · 67.922°
HTM-20 index
1715379503
Similar Worlds
HD 15337 c
Sub-Neptune · K-type orange
Radius 2.53 R⊕ · 146.2 ly
K2-179 b
Sub-Neptune · K-type orange
Radius 2.51 R⊕ · 622.3 ly
Kepler-239 c
Sub-Neptune · K-type orange
Radius 2.51 R⊕ · 2,113.8 ly
K2-119 b
Sub-Neptune · K-type orange
Radius 2.53 R⊕ · 1,192.4 ly
TOI-1648 b
Sub-Neptune · K-type orange
Radius 2.54 R⊕ · 227.8 ly
Kepler-1521 b
Sub-Neptune · K-type orange
Radius 2.50 R⊕ · 675.1 ly