Key parameters at a glance
- A radius of 1.49 Earth radii
- A mass of 2.83 Earth masses
- Surface gravity around 1.27 g
- An orbital period of 16.753 days
- Semi-major axis 0.1262 AU
- Equilibrium temperature 801 K (528 °C)
- Distance from Earth 1,081.38 light-years
- Earth Similarity Index 0.378
- Travel time at Voyager 1 speed 19,070,135 years
- Almost certainly tidally locked to its host star given the close orbit
Kepler-1492 b Planet Profile
Physical Specs
Classification
Planet Type
Super-Earth
Discovery
Size rank in cohort
Rank by radius
#766of 1176
top 65.1%
This planet
1.49R⊕
Super-Earth median
1.60R⊕
Nearest-size peers
| Metric | Earth | Kepler-1492 b | Jupiter |
|---|---|---|---|
| Radius (R⊕) | 1.00 | 1.49 | 11.21 |
| Mass (M⊕) | 1.00 | 2.83 | 317.83 |
| Density (g/cm³) | 5.51 | 4.70 | 1.33 |
| Surface Gravity (g) | 1.00 | 1.27 | 2.53 |
| Insolation (S⊕) | 1.00 | 11.52 | 0.037 |
Star Catalogue Identifiers
TIC
TIC 121660826
Gaia DR2
Gaia DR2 2102111102390564864
Gaia DR3
Gaia DR3 2102111102390564864
System
Kepler-1492
Percentile among Super-Earth cohort
Orbit & Habitability
Orbital Dynamics
Year Length
A year here lasts approximately 16.75 Earth days (4.6% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.1262 AU.
Transit Fingerprint
Depth
0.037 %
Duration
3.184 h
Impact parameter b
0.710
Rp / R★
0.018741
Transit midpoint (BJD)
2,454,964.5952
Photometric dip
Transit produces a flux drop of 365 ppm lasting ≈ 3.18 h.
Extended Orbital Architecture
Planet / star radius ratio
0.018741
Semi-major axis / stellar radius
29.400
Impact parameter (b)
0.710
Transit mid-time (BJD)
2,454,964.5952
Angular separation (arcsec)
0.38100
Eq. Temperature
801K
(528 °C)
Insolation (S⊕)
11.52
Earth = 1.00
Earth Similarity (ESI)
0.378
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-1492
Spectral Class
K-type orange
Effective Temperature
4,712 K — cooler than the Sun (5,778 K)
Estimated Age
2.82 Gyr — younger than the Sun (4.6 Gyr)
Stellar Radius
0.720 R☉
Stellar Mass
0.770 M☉
Metallicity [Fe/H]
0.06
Extended Stellar Properties
Surface gravity (log g)
4.620 dex
Stellar density
1.712 g/cm³
Metallicity ratio
[Fe/H]
Multi-band Host Photometry — 16 bands
Astrometric Data
Parallax
2.987 mas
Total Proper Motion
29.763 mas/yr
PM Right Ascension
-9.65 mas/yr
PM Declination
-28.16 mas/yr
Galactic Cartesian (pc)
x = 0.241 · y = -0.715 · z = 0.657
Equatorial (J2000)
RA 288.59707° · Dec 41.03633°
Galactic ℓ, b
72.433° · 13.430°
Ecliptic λ, β
301.353° · 62.466°
HTM-20 index
-1322306829
Similar Worlds
KMT-2021-BLG-0912L b
Super-Earth · K-type orange
Radius 1.49 R⊕ · 18,134.3 ly
Kepler-1614 b
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Radius 1.49 R⊕ · 3,885.1 ly
TOI-431 c
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Kepler-898 b
Super-Earth · K-type orange
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Kepler-174 c
Super-Earth · K-type orange
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K2-268 d
Super-Earth · K-type orange
Radius 1.49 R⊕ · 1,069.1 ly