Key parameters at a glance
- A radius of 12.50 Earth radii
- A mass of 3,126.00 Earth masses
- Surface gravity around 20.01 g
- An orbital period of 820.300 days
- Semi-major axis 1.5968 AU
- Distance from Earth 625.91 light-years
- Earth Similarity Index 0.386
- Travel time at Voyager 1 speed 11,037,859 years
1 sibling around Kepler-94
Kepler-94 c 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-94 b | Sub-Neptune | 3.51 | 10.84 | 2.508 | 997 | 2014 |
| Kepler-94 c this | Gas Giant | 12.50 | 3,126.00 | 820.300 | — | 2014 |
Kepler-94 c Planet Profile
Physical Specs
Classification
Planet Type
Gas Giant
Discovery
Size rank in cohort
Rank by radius
#1235of 1771
top 69.7%
This planet
12.50R⊕
Gas Giant median
13.52R⊕
Nearest-size peers
| Metric | Earth | Kepler-94 c | Jupiter |
|---|---|---|---|
| Radius (R⊕) | 1.00 | 12.50 | 11.21 |
| Mass (M⊕) | 1.00 | 3,126.00 | 317.83 |
| Density (g/cm³) | 5.51 | 8.79 | 1.33 |
| Surface Gravity (g) | 1.00 | 20.01 | 2.53 |
| Insolation (S⊕) | 1.00 | — | 0.037 |
Alternative Mass Estimates
| Method | Value | Interpretation |
|---|---|---|
| Best measured mass | 3,126.000 M⊕ | Direct mass measurement (not derived). |
| Minimum mass (M sin i) | 2,823.911 M⊕ | Lower bound from radial-velocity fitting. |
Star Catalogue Identifiers
TIC
TIC 123309556
Gaia DR2
Gaia DR2 2119602202081351168
Gaia DR3
Gaia DR3 2119602202081351168
System
Kepler-94
Percentile among Gas Giant cohort
Orbit & Habitability
Orbital Dynamics
Year Length
A year here lasts about 2.25 Earth years on a highly eccentric trajectory at a mean orbital distance of 1.5968 AU.
Eq. Temperature
—
Insolation (S⊕)
—
Earth = 1.00
Earth Similarity (ESI)
0.386
0 = alien, 1 = Earth-identical
Discovery Paper
Primary reference
Marcy et al. 2014Instrument
HIRES Spectrometer
Publication
2014-02
Observation locale
Ground
Discovery cohort
Planets confirmed in 2014 at W. M. Keck Observatory (11 shown).
Host System: Kepler-94
Spectral Class
M-type red dwarf
Effective Temperature
4,781 K — cooler than the Sun (5,778 K)
Estimated Age
1.41 Gyr — younger than the Sun (4.6 Gyr)
Stellar Radius
0.760 R☉
Stellar Mass
0.810 M☉
Metallicity [Fe/H]
0.34
Extended Stellar Properties
Surface gravity (log g)
4.590 dex
Stellar density
2.900 g/cm³
Systemic radial velocity
-50.48 km/s
Rotational v·sin i
0.50 km/s
Metallicity ratio
[Fe/H]
Multi-band Host Photometry — 16 bands
Astrometric Data
Parallax
5.182 mas
Total Proper Motion
25.863 mas/yr
PM Right Ascension
-5.58 mas/yr
PM Declination
25.25 mas/yr
Galactic Cartesian (pc)
x = 0.131 · y = -0.663 · z = 0.737
Equatorial (J2000)
RA 281.19473° · Dec 47.49726°
Galactic ℓ, b
76.713° · 20.710°
Ecliptic λ, β
292.615° · 70.059°
HTM-20 index
1961503284
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