Key parameters at a glance
- A radius of 1.60 Earth radii
- A mass of 3.19 Earth masses
- Surface gravity around 1.25 g
- An orbital period of 1.151 days
- Semi-major axis 0.0177 AU
- Equilibrium temperature 957 K (684 °C)
- Distance from Earth 613.69 light-years
- Earth Similarity Index 0.307
- Travel time at Voyager 1 speed 10,822,398 years
- Almost certainly tidally locked to its host star given the close orbit
Kepler-994 b Planet Profile
Physical Specs
Classification
Planet Type
Super-Earth
Discovery
Size rank in cohort
Rank by radius
#570of 1176
top 48.4%
This planet
1.60R⊕
Super-Earth median
1.60R⊕
Nearest-size peers
| Metric | Earth | Kepler-994 b | Jupiter |
|---|---|---|---|
| Radius (R⊕) | 1.00 | 1.60 | 11.21 |
| Mass (M⊕) | 1.00 | 3.19 | 317.83 |
| Density (g/cm³) | 5.51 | 4.28 | 1.33 |
| Surface Gravity (g) | 1.00 | 1.25 | 2.53 |
| Insolation (S⊕) | 1.00 | 243.98 | 0.037 |
Star Catalogue Identifiers
TIC
TIC 158983792
Gaia DR2
Gaia DR2 2127904992341848960
Gaia DR3
Gaia DR3 2127904992341848960
System
Kepler-994
Percentile among Super-Earth cohort
Orbit & Habitability
Orbital Dynamics
Year Length
A year here lasts approximately 1.15 Earth days (0.3% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.0177 AU.
Transit Fingerprint
Depth
0.061 %
Duration
1.188 h
Impact parameter b
0.029
Rp / R★
0.027026
Transit midpoint (BJD)
2,454,966.2319
Photometric dip
Transit produces a flux drop of 606 ppm lasting ≈ 1.19 h.
Extended Orbital Architecture
Planet / star radius ratio
0.027026
Semi-major axis / stellar radius
8.257
Impact parameter (b)
0.029
Transit mid-time (BJD)
2,454,966.2319
Angular separation (arcsec)
0.09410
Eq. Temperature
957K
(684 °C)
Insolation (S⊕)
243.98
Earth = 1.00
Earth Similarity (ESI)
0.307
0 = alien, 1 = Earth-identical
Inside the inner HZ boundary (too hot for liquid water) — the surface is too hot to retain surface water. Close-orbiting tidally-locked around a cool host.
Discovery Paper
Primary reference
Morton et al. 2016Instrument
Kepler CCD Array
Publication
2016-05
Observation locale
Space
Discovery cohort
Planets confirmed in 2016 at Kepler (12 shown).
Host System: Kepler-994
Spectral Class
K-type orange
Effective Temperature
3,934 K — cooler than the Sun (5,778 K)
Estimated Age
3.24 Gyr — younger than the Sun (4.6 Gyr)
Stellar Radius
0.540 R☉
Stellar Mass
0.560 M☉
Metallicity [Fe/H]
-0.13
Extended Stellar Properties
Surface gravity (log g)
4.720 dex
Stellar density
3.883 g/cm³
Metallicity ratio
[Fe/H]
Multi-band Host Photometry — 16 bands
Astrometric Data
Parallax
5.286 mas
Total Proper Motion
36.462 mas/yr
PM Right Ascension
-17.96 mas/yr
PM Declination
-31.73 mas/yr
Galactic Cartesian (pc)
x = 0.221 · y = -0.640 · z = 0.736
Equatorial (J2000)
RA 289.07208° · Dec 47.40692°
Galactic ℓ, b
78.596° · 15.694°
Ecliptic λ, β
306.944° · 68.414°
HTM-20 index
1652357445
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