Key parameters at a glance
- A radius of 2.90 Earth radii
- A mass of 8.75 Earth masses
- Surface gravity around 1.04 g
- An orbital period of 10.372 days
- Semi-major axis 0.0863 AU
- Equilibrium temperature 720 K (447 °C)
- Distance from Earth 2,071.12 light-years
- Earth Similarity Index 0.332
- Travel time at Voyager 1 speed 36,524,198 years
- Almost certainly tidally locked to its host star given the close orbit
1 sibling around Kepler-716
Kepler-716 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-716 c | Super-Earth | 1.39 | 2.52 | 3.970 | 992 | 2020 |
| Kepler-716 b this | Sub-Neptune | 2.90 | 8.75 | 10.372 | 720 | 2016 |
Kepler-716 b Planet Profile
Physical Specs
Classification
Planet Type
Sub-Neptune
Discovery
Size rank in cohort
Rank by radius
#621of 1978
top 31.3%
This planet
2.90R⊕
Sub-Neptune median
2.71R⊕
Nearest-size peers
| Metric | Earth | Kepler-716 b | Jupiter |
|---|---|---|---|
| Radius (R⊕) | 1.00 | 2.90 | 11.21 |
| Mass (M⊕) | 1.00 | 8.75 | 317.83 |
| Density (g/cm³) | 5.51 | 1.97 | 1.33 |
| Surface Gravity (g) | 1.00 | 1.04 | 2.53 |
| Insolation (S⊕) | 1.00 | 42.49 | 0.037 |
Star Catalogue Identifiers
TIC
TIC 159377404
Gaia DR2
Gaia DR2 2126073961886389888
Gaia DR3
Gaia DR3 2126073961886389888
System
Kepler-716
Percentile among Sub-Neptune cohort
Orbit & Habitability
Orbital Dynamics
Year Length
A year here lasts approximately 10.37 Earth days (2.8% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.0863 AU.
Transit Fingerprint
Depth
0.125 %
Duration
3.048 h
Impact parameter b
0.537
Rp / R★
0.033999
Transit midpoint (BJD)
2,455,005.6180
Photometric dip
Transit produces a flux drop of 1,255 ppm lasting ≈ 3.05 h.
Extended Orbital Architecture
Planet / star radius ratio
0.033999
Semi-major axis / stellar radius
23.470
Impact parameter (b)
0.537
Transit mid-time (BJD)
2,455,005.6180
Angular separation (arcsec)
0.13600
Eq. Temperature
720K
(447 °C)
Insolation (S⊕)
42.49
Earth = 1.00
Earth Similarity (ESI)
0.332
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-716
Spectral Class
K-type orange
Effective Temperature
5,099 K — cooler than the Sun (5,778 K)
Estimated Age
4.57 Gyr — younger than the Sun (4.6 Gyr)
Stellar Radius
0.780 R☉
Stellar Mass
0.830 M☉
Metallicity [Fe/H]
0.00
Extended Stellar Properties
Surface gravity (log g)
4.580 dex
Stellar density
1.960 g/cm³
Metallicity ratio
[Fe/H]
Multi-band Host Photometry — 16 bands
Astrometric Data
Parallax
1.546 mas
Total Proper Motion
5.545 mas/yr
PM Right Ascension
-3.73 mas/yr
PM Declination
-4.10 mas/yr
Galactic Cartesian (pc)
x = 0.253 · y = -0.681 · z = 0.687
Equatorial (J2000)
RA 290.39318° · Dec 43.36386°
Galactic ℓ, b
75.177° · 13.195°
Ecliptic λ, β
305.732° · 64.294°
HTM-20 index
1054350018
Similar Worlds
K2-255 b
Sub-Neptune · K-type orange
Radius 2.90 R⊕ · 624.9 ly
KOBE-1 b
Sub-Neptune · K-type orange
Radius 2.91 R⊕ · 78.2 ly
Kepler-781 b
Sub-Neptune · K-type orange
Radius 2.89 R⊕ · 3,471.8 ly
Kepler-391 c
Sub-Neptune · K-type orange
Radius 2.88 R⊕ · 2,835.1 ly
K2-378 b
Sub-Neptune · K-type orange
Radius 2.88 R⊕ · 2,243.9 ly
Kepler-709 b
Sub-Neptune · K-type orange
Radius 2.92 R⊕ · 2,168.4 ly