Key parameters at a glance
- A radius of 2.73 Earth radii
- A mass of 7.90 Earth masses
- Surface gravity around 1.06 g
- An orbital period of 10.946 days
- Semi-major axis 0.0970 AU
- Equilibrium temperature 881 K (608 °C)
- Distance from Earth 2,905.26 light-years
- Earth Similarity Index 0.277
- Travel time at Voyager 1 speed 51,234,269 years
3 siblings around Kepler-164
Kepler-164 c 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 this | 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 | Neptune-like | 4.24 | 16.70 | 94.887 | 429 | 2023 |
Kepler-164 c Planet Profile
Physical Specs
Classification
Planet Type
Sub-Neptune
Discovery
Size rank in cohort
Rank by radius
#823of 1978
top 41.6%
This planet
2.73R⊕
Sub-Neptune median
2.71R⊕
Nearest-size peers
| Metric | Earth | Kepler-164 c | Jupiter |
|---|---|---|---|
| Radius (R⊕) | 1.00 | 2.73 | 11.21 |
| Mass (M⊕) | 1.00 | 7.90 | 317.83 |
| Density (g/cm³) | 5.51 | 2.13 | 1.33 |
| Surface Gravity (g) | 1.00 | 1.06 | 2.53 |
| Insolation (S⊕) | 1.00 | 131.49 | 0.037 |
Star Catalogue Identifiers
TIC
TIC 158561894
Gaia DR2
Gaia DR2 2130889204338693504
Gaia DR3
Gaia DR3 2130889204338693504
System
Kepler-164
Percentile among Sub-Neptune cohort
Orbit & Habitability
Orbital Dynamics
Year Length
A year here lasts approximately 10.95 Earth days (3.0% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.0970 AU.
Transit Fingerprint
Depth
0.053 %
Duration
3.004 h
Impact parameter b
0.510
Rp / R★
0.021665
Transit midpoint (BJD)
2,455,009.7205
Photometric dip
Transit produces a flux drop of 533 ppm lasting ≈ 3.00 h.
Extended Orbital Architecture
Planet / star radius ratio
0.021665
Semi-major axis / stellar radius
27.700
Impact parameter (b)
0.510
Transit mid-time (BJD)
2,455,009.7205
Angular separation (arcsec)
0.10900
Eq. Temperature
881K
(608 °C)
Insolation (S⊕)
131.49
Earth = 1.00
Earth Similarity (ESI)
0.277
0 = alien, 1 = Earth-identical
Inside the inner HZ boundary (too hot for liquid water) — the surface is too hot to retain surface water.
Discovery Paper
Primary reference
Rowe et al. 2014Instrument
Kepler CCD Array
Publication
2014-03
Observation locale
Space
Discovery cohort
Planets confirmed in 2014 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
1.148 R☉
Stellar Mass
1.036 M☉
Metallicity [Fe/H]
0.00
Extended Stellar Properties
Surface gravity (log g)
4.331 dex
Stellar density
1.000 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
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Kepler-836 b
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Kepler-838 b
Sub-Neptune · G-type yellow (Sun-like)
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Kepler-1129 c
Sub-Neptune · G-type yellow (Sun-like)
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Kepler-1567 b
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K2-380 b
Sub-Neptune · G-type yellow (Sun-like)
Radius 2.73 R⊕ · 813.1 ly