Key parameters at a glance
- A radius of 1.62 Earth radii
- A mass of 3.26 Earth masses
- Surface gravity around 1.24 g
- An orbital period of 20.160 days
- Semi-major axis 0.1337 AU
- Equilibrium temperature 510 K (237 °C)
- Distance from Earth 846.83 light-years
- Earth Similarity Index 0.568
- Travel time at Voyager 1 speed 14,933,814 years
- Almost certainly tidally locked to its host star given the close orbit
Kepler-992 b Planet Profile
Physical Specs
Classification
Planet Type
Super-Earth
Discovery
Size rank in cohort
Rank by radius
#532of 1176
top 45.2%
This planet
1.62R⊕
Super-Earth median
1.60R⊕
Nearest-size peers
| Metric | Earth | Kepler-992 b | Jupiter |
|---|---|---|---|
| Radius (R⊕) | 1.00 | 1.62 | 11.21 |
| Mass (M⊕) | 1.00 | 3.26 | 317.83 |
| Density (g/cm³) | 5.51 | 4.21 | 1.33 |
| Surface Gravity (g) | 1.00 | 1.24 | 2.53 |
| Insolation (S⊕) | 1.00 | 15.29 | 0.037 |
Star Catalogue Identifiers
TIC
TIC 164723619
Gaia DR2
Gaia DR2 2131432706679279104
Gaia DR3
Gaia DR3 2131432706679279104
System
Kepler-992
Percentile among Super-Earth cohort
Orbit & Habitability
Orbital Dynamics
Year Length
A year here lasts approximately 20.16 Earth days (5.5% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.1337 AU.
Transit Fingerprint
Depth
0.034 %
Duration
3.822 h
Impact parameter b
0.889
Rp / R★
0.020243
Transit midpoint (BJD)
2,454,977.3439
Photometric dip
Transit produces a flux drop of 336 ppm lasting ≈ 3.82 h.
Extended Orbital Architecture
Planet / star radius ratio
0.020243
Semi-major axis / stellar radius
43.300
Impact parameter (b)
0.889
Transit mid-time (BJD)
2,454,977.3439
Angular separation (arcsec)
0.51500
Eq. Temperature
510K
(237 °C)
Insolation (S⊕)
15.29
Earth = 1.00
Earth Similarity (ESI)
0.568
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-992
Spectral Class
K-type orange
Effective Temperature
4,944 K — cooler than the Sun (5,778 K)
Estimated Age
3.02 Gyr — younger than the Sun (4.6 Gyr)
Stellar Radius
0.740 R☉
Stellar Mass
0.800 M☉
Metallicity [Fe/H]
-0.04
Extended Stellar Properties
Surface gravity (log g)
4.600 dex
Stellar density
2.040 g/cm³
Metallicity ratio
[Fe/H]
Multi-band Host Photometry — 16 bands
Astrometric Data
Parallax
3.823 mas
Total Proper Motion
24.893 mas/yr
PM Right Ascension
17.21 mas/yr
PM Declination
-17.98 mas/yr
Galactic Cartesian (pc)
x = 0.168 · y = -0.653 · z = 0.739
Equatorial (J2000)
RA 284.43041° · Dec 47.64166°
Galactic ℓ, b
77.614° · 18.694°
Ecliptic λ, β
298.851° · 69.640°
HTM-20 index
-867231948
Similar Worlds
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Kepler-1873 b
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HD 219134 d
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Kepler-62 e
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