Key parameters at a glance
- A radius of 4.24 Earth radii
- A mass of 16.70 Earth masses
- Surface gravity around 0.93 g
- An orbital period of 94.887 days
- Semi-major axis 0.4025 AU
- Equilibrium temperature 429 K (156 °C)
- Distance from Earth 2,905.26 light-years
- Earth Similarity Index 0.455
- Travel time at Voyager 1 speed 51,234,269 years
3 siblings around Kepler-164
Kepler-164 e shares its host star with 3 other confirmed planets. Side-by-side measurements below.
| Planet | Type | Radius (R⊕) | Mass (M⊕) | Period (d) | Eq. T (K) | Year |
|---|---|---|---|---|---|---|
| Kepler-164 b | Super-Earth | 1.41 | 2.57 | 5.035 | 1,141 | 2014 |
| Kepler-164 c | Sub-Neptune | 2.73 | 7.90 | 10.946 | 881 | 2014 |
| Kepler-164 d | Sub-Neptune | 2.45 | 6.57 | 28.987 | 637 | 2014 |
| Kepler-164 e this | Neptune-like | 4.24 | 16.70 | 94.887 | 429 | 2023 |
Kepler-164 e Planet Profile
Physical Specs
Classification
Planet Type
Neptune-like
Discovery
Size rank in cohort
Rank by radius
#512of 574
top 89.0%
This planet
4.24R⊕
Neptune-like median
6.39R⊕
Nearest-size peers
| Metric | Earth | Kepler-164 e | Jupiter |
|---|---|---|---|
| Radius (R⊕) | 1.00 | 4.24 | 11.21 |
| Mass (M⊕) | 1.00 | 16.70 | 317.83 |
| Density (g/cm³) | 5.51 | 1.20 | 1.33 |
| Surface Gravity (g) | 1.00 | 0.93 | 2.53 |
| Insolation (S⊕) | 1.00 | 7.99 | 0.037 |
Star Catalogue Identifiers
TIC
TIC 158561894
Gaia DR2
Gaia DR2 2130889204338693504
Gaia DR3
Gaia DR3 2130889204338693504
System
Kepler-164
Percentile among Neptune-like cohort
Orbit & Habitability
Orbital Dynamics
Year Length
A year here lasts approximately 94.89 Earth days (26.0% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.4025 AU.
Transit Fingerprint
Depth
0.064 %
Duration
6.923 h
Impact parameter b
0.982
Rp / R★
0.035401
Transit midpoint (BJD)
2,455,047.8288
Photometric dip
Transit produces a flux drop of 642 ppm lasting ≈ 6.92 h.
Extended Orbital Architecture
Planet / star radius ratio
0.035401
Semi-major axis / stellar radius
34.400
Impact parameter (b)
0.982
Transit mid-time (BJD)
2,455,047.8288
Angular separation (arcsec)
0.45200
Eq. Temperature
429K
(156 °C)
Insolation (S⊕)
7.99
Earth = 1.00
Earth Similarity (ESI)
0.455
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
Valizadegan et al. 2023Instrument
Kepler CCD Array
Publication
2023-05
Observation locale
Space
Discovery cohort
Planets confirmed in 2023 at Kepler (12 shown).
Host System: Kepler-164
Spectral Class
G-type yellow (Sun-like)
Effective Temperature
5,888 K — hotter than the Sun (5,778 K)
Estimated Age
0.62 Gyr — younger than the Sun (4.6 Gyr)
Stellar Radius
1.097 R☉
Stellar Mass
0.966 M☉
Metallicity [Fe/H]
-0.10
Extended Stellar Properties
Surface gravity (log g)
4.342 dex
Stellar density
0.086 g/cm³
Metallicity ratio
[Fe/H]
Multi-band Host Photometry — 16 bands
Astrometric Data
Parallax
1.094 mas
Total Proper Motion
12.425 mas/yr
PM Right Ascension
-1.71 mas/yr
PM Declination
-12.31 mas/yr
Galactic Cartesian (pc)
x = 0.206 · y = -0.642 · z = 0.739
Equatorial (J2000)
RA 287.78081° · Dec 47.62985°
Galactic ℓ, b
78.459° · 16.585°
Ecliptic λ, β
304.907° · 68.924°
HTM-20 index
-1853093457
Similar Worlds
TOI-1439 b
Neptune-like · G-type yellow (Sun-like)
Radius 4.24 R⊕ · 751.2 ly
Kepler-230 b
Neptune-like · G-type yellow (Sun-like)
Radius 4.26 R⊕ · 2,416.0 ly
HD 34445 e
Neptune-like · G-type yellow (Sun-like)
Radius 4.26 R⊕ · 150.3 ly
Kepler-1747 b
Neptune-like · G-type yellow (Sun-like)
Radius 4.27 R⊕ · 4,309.8 ly
Kepler-953 b
Neptune-like · G-type yellow (Sun-like)
Radius 4.21 R⊕ · 844.4 ly
Kepler-149 b
Neptune-like · G-type yellow (Sun-like)
Radius 4.21 R⊕ · 1,862.5 ly