Key parameters at a glance
- A radius of 2.48 Earth radii
- A mass of 58.20 Earth masses
- Surface gravity around 9.46 g
- An orbital period of 6.319 days
- Semi-major axis 0.0674 AU
- Equilibrium temperature 986 K (713 °C)
- Distance from Earth 2,253.15 light-years
- Earth Similarity Index 0.200
- Travel time at Voyager 1 speed 39,734,256 years
2 siblings around Kepler-416
Kepler-416 b 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-416 d | Super-Earth | 1.61 | 3.22 | 3.076 | 1,253 | 2023 |
| Kepler-416 b this | Sub-Neptune | 2.48 | 58.20 | 6.319 | 986 | 2014 |
| Kepler-416 c | Sub-Neptune | 2.35 | 6.13 | 12.209 | 791 | 2014 |
Kepler-416 b Planet Profile
Physical Specs
Classification
Planet Type
Sub-Neptune
Discovery
Size rank in cohort
Rank by radius
#1212of 1978
top 61.2%
This planet
2.48R⊕
Sub-Neptune median
2.71R⊕
Nearest-size peers
| Metric | Earth | Kepler-416 b | Jupiter |
|---|---|---|---|
| Radius (R⊕) | 1.00 | 2.48 | 11.21 |
| Mass (M⊕) | 1.00 | 58.20 | 317.83 |
| Density (g/cm³) | 5.51 | 21.00 | 1.33 |
| Surface Gravity (g) | 1.00 | 9.46 | 2.53 |
| Insolation (S⊕) | 1.00 | 224.09 | 0.037 |
Alternative Mass Estimates
| Method | Value | Interpretation |
|---|---|---|
| Best measured mass | 58.200 M⊕ | Direct mass measurement (not derived). |
Star Catalogue Identifiers
TIC
TIC 137217372
Gaia DR2
Gaia DR2 2052975370856687744
Gaia DR3
Gaia DR3 2052975370856687744
System
Kepler-416
Percentile among Sub-Neptune cohort
Orbit & Habitability
Orbital Dynamics
Year Length
A year here lasts approximately 6.32 Earth days (1.7% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.0674 AU.
Transit Fingerprint
Depth
0.060 %
Duration
3.202 h
Impact parameter b
0.460
Rp / R★
0.022347
Transit midpoint (BJD)
2,454,965.2306
Photometric dip
Transit produces a flux drop of 598 ppm lasting ≈ 3.20 h.
Extended Orbital Architecture
Planet / star radius ratio
0.022347
Semi-major axis / stellar radius
15.409
Impact parameter (b)
0.460
Transit mid-time (BJD)
2,454,965.2306
Angular separation (arcsec)
0.09760
Eq. Temperature
986K
(713 °C)
Insolation (S⊕)
224.09
Earth = 1.00
Earth Similarity (ESI)
0.200
0 = alien, 1 = Earth-identical
Inside the inner HZ boundary (too hot for liquid water) — the surface is too hot to retain surface water.
Detection Signatures
Transit photometry
A transit dip has been observed from at least one telescope.
Transit timing variations
Gravitational interactions from neighbours have been detected.
Discovery Paper
Primary reference
Hadden et al. 2014Instrument
Kepler CCD Array
Publication
2014-05
Observation locale
Space
Discovery cohort
Planets confirmed in 2014 at Kepler (12 shown).
Host System: Kepler-416
Spectral Class
G-type yellow (Sun-like)
Effective Temperature
5,718 K — cooler than the Sun (5,778 K)
Estimated Age
2.69 Gyr — younger than the Sun (4.6 Gyr)
Stellar Radius
1.075 R☉
Stellar Mass
1.000 M☉
Metallicity [Fe/H]
0.13
Extended Stellar Properties
Surface gravity (log g)
4.420 dex
Stellar density
1.080 g/cm³
Metallicity ratio
[M/H]
Multi-band Host Photometry — 11 bands
Astrometric Data
Parallax
1.419 mas
Total Proper Motion
2.202 mas/yr
PM Right Ascension
-2.05 mas/yr
PM Declination
-0.80 mas/yr
Galactic Cartesian (pc)
x = 0.285 · y = -0.720 · z = 0.632
Equatorial (J2000)
RA 291.55696° · Dec 39.22729°
Galactic ℓ, b
71.758° · 10.609°
Ecliptic λ, β
304.800° · 60.088°
HTM-20 index
1525631769
Similar Worlds
K2-15 b
Sub-Neptune · G-type yellow (Sun-like)
Radius 2.48 R⊕ · 1,611.2 ly
Kepler-846 b
Sub-Neptune · G-type yellow (Sun-like)
Radius 2.48 R⊕ · 3,676.2 ly
Kepler-256 d
Sub-Neptune · G-type yellow (Sun-like)
Radius 2.48 R⊕ · 3,347.8 ly
Kepler-266 b
Sub-Neptune · G-type yellow (Sun-like)
Radius 2.48 R⊕ · 4,470.9 ly
Kepler-713 b
Sub-Neptune · G-type yellow (Sun-like)
Radius 2.48 R⊕ · 3,554.7 ly
Kepler-1829 b
Sub-Neptune · G-type yellow (Sun-like)
Radius 2.48 R⊕ · 2,217.6 ly