Key parameters at a glance
- A radius of 3.42 Earth radii
- A mass of 13.00 Earth masses
- Surface gravity around 1.11 g
- An orbital period of 11.523 days
- Semi-major axis 0.1023 AU
- Equilibrium temperature 927 K (654 °C)
- Distance from Earth 1,453.53 light-years
- Earth Similarity Index 0.241
- Travel time at Voyager 1 speed 25,633,067 years
Kepler-95 b Planet Profile
Physical Specs
Classification
Planet Type
Sub-Neptune
Discovery
Size rank in cohort
Rank by radius
#210of 1978
top 10.6%
This planet
3.42R⊕
Sub-Neptune median
2.71R⊕
Nearest-size peers
| Metric | Earth | Kepler-95 b | Jupiter |
|---|---|---|---|
| Radius (R⊕) | 1.00 | 3.42 | 11.21 |
| Mass (M⊕) | 1.00 | 13.00 | 317.83 |
| Density (g/cm³) | 5.51 | 1.71 | 1.33 |
| Surface Gravity (g) | 1.00 | 1.11 | 2.53 |
| Insolation (S⊕) | 1.00 | 178.83 | 0.037 |
Alternative Mass Estimates
| Method | Value | Interpretation |
|---|---|---|
| Best measured mass | 13.000 M⊕ | Direct mass measurement (not derived). |
| Minimum mass (M sin i) | 10.222 M⊕ | Lower bound from radial-velocity fitting. |
Star Catalogue Identifiers
TIC
TIC 164726946
Gaia DR2
Gaia DR2 2106705269988803072
Gaia DR3
Gaia DR3 2106705269988803072
System
Kepler-95
Percentile among Sub-Neptune cohort
Orbit & Habitability
Orbital Dynamics
Year Length
A year here lasts approximately 11.52 Earth days (3.2% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.1023 AU.
Transit Fingerprint
Depth
0.050 %
Duration
3.885 h
Impact parameter b
0.740
Rp / R★
0.022166
Transit midpoint (BJD)
2,454,964.9684
Photometric dip
Transit produces a flux drop of 505 ppm lasting ≈ 3.89 h.
Extended Orbital Architecture
Planet / star radius ratio
0.022166
Semi-major axis / stellar radius
23.087
Impact parameter (b)
0.740
RV semi-amplitude (K)
3.360 m/s
Transit mid-time (BJD)
2,454,964.9684
Angular separation (arcsec)
0.23000
Eq. Temperature
927K
(654 °C)
Insolation (S⊕)
178.83
Earth = 1.00
Earth Similarity (ESI)
0.241
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.
Radial velocity
Stellar wobble has been measured spectroscopically.
Discovery Paper
Primary reference
Marcy et al. 2014Instrument
Kepler CCD Array
Publication
2014-02
Observation locale
Space
Discovery cohort
Planets confirmed in 2014 at Kepler (12 shown).
Host System: Kepler-95
Spectral Class
G-type yellow (Sun-like)
Effective Temperature
5,699 K — cooler than the Sun (5,778 K)
Estimated Age
5.63 Gyr — older than the Sun (4.6 Gyr)
Stellar Radius
1.410 R☉
Stellar Mass
1.080 M☉
Metallicity [Fe/H]
0.30
Extended Stellar Properties
Surface gravity (log g)
4.171 dex
Stellar density
0.540 g/cm³
Systemic radial velocity
-29.60 km/s
Rotational v·sin i
0.70 km/s
Metallicity ratio
[Fe/H]
Multi-band Host Photometry — 16 bands
Astrometric Data
Parallax
2.215 mas
Total Proper Motion
26.713 mas/yr
PM Right Ascension
-4.00 mas/yr
PM Declination
-26.41 mas/yr
Galactic Cartesian (pc)
x = 0.179 · y = -0.692 · z = 0.700
Equatorial (J2000)
RA 284.48243° · Dec 44.39789°
Galactic ℓ, b
74.433° · 17.518°
Ecliptic λ, β
296.623° · 66.504°
HTM-20 index
1035492433
Similar Worlds
TOI-132 b
Sub-Neptune · G-type yellow (Sun-like)
Radius 3.42 R⊕ · 533.8 ly
HIP 9618 c
Sub-Neptune · G-type yellow (Sun-like)
Radius 3.43 R⊕ · 220.3 ly
HD 191939 b
Sub-Neptune · G-type yellow (Sun-like)
Radius 3.41 R⊕ · 174.8 ly
Kepler-616 c
Sub-Neptune · G-type yellow (Sun-like)
Radius 3.41 R⊕ · 3,084.7 ly
HD 20003 b
Sub-Neptune · G-type yellow (Sun-like)
Radius 3.43 R⊕ · 136.4 ly
TOI-469.01
Sub-Neptune · G-type yellow (Sun-like)
Radius 3.41 R⊕ · 222.4 ly