Key parameters at a glance
- A radius of 1.79 Earth radii
- A mass of 3.87 Earth masses
- Surface gravity around 1.20 g
- An orbital period of 9.763 days
- Semi-major axis 0.0821 AU
- Equilibrium temperature 703 K (430 °C)
- Distance from Earth 1,830.48 light-years
- Earth Similarity Index 0.406
- Travel time at Voyager 1 speed 32,280,549 years
- Almost certainly tidally locked to its host star given the close orbit
Kepler-1794 b Planet Profile
Physical Specs
Classification
Planet Type
Super-Earth
Discovery
Size rank in cohort
Rank by radius
#267of 1176
top 22.6%
This planet
1.79R⊕
Super-Earth median
1.60R⊕
Nearest-size peers
| Metric | Earth | Kepler-1794 b | Jupiter |
|---|---|---|---|
| Radius (R⊕) | 1.00 | 1.79 | 11.21 |
| Mass (M⊕) | 1.00 | 3.87 | 317.83 |
| Density (g/cm³) | 5.51 | 3.68 | 1.33 |
| Surface Gravity (g) | 1.00 | 1.20 | 2.53 |
| Insolation (S⊕) | 1.00 | 57.59 | 0.037 |
Star Catalogue Identifiers
TIC
TIC 240219049
Gaia DR2
Gaia DR2 2082304396854334720
Gaia DR3
Gaia DR3 2082304396854334720
System
Kepler-1794
Percentile among Super-Earth cohort
Orbit & Habitability
Orbital Dynamics
Year Length
A year here lasts approximately 9.76 Earth days (2.7% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.0821 AU.
Transit Fingerprint
Depth
0.055 %
Duration
3.064 h
Impact parameter b
0.499
Rp / R★
0.021757
Transit midpoint (BJD)
2,454,972.1574
Photometric dip
Transit produces a flux drop of 553 ppm lasting ≈ 3.06 h.
Extended Orbital Architecture
Planet / star radius ratio
0.021757
Semi-major axis / stellar radius
24.380
Impact parameter (b)
0.499
Transit mid-time (BJD)
2,454,972.1574
Angular separation (arcsec)
0.14600
Eq. Temperature
703K
(430 °C)
Insolation (S⊕)
57.59
Earth = 1.00
Earth Similarity (ESI)
0.406
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
Valizadegan et al. 2022Instrument
Kepler CCD Array
Publication
2022-02
Observation locale
Space
Discovery cohort
Planets confirmed in 2021 at Kepler (12 shown).
Host System: Kepler-1794
Spectral Class
K-type orange
Effective Temperature
5,052 K — cooler than the Sun (5,778 K)
Estimated Age
14.00 Gyr — older than the Sun (4.6 Gyr)
Stellar Radius
0.816 R☉
Stellar Mass
0.773 M☉
Metallicity [Fe/H]
0.02
Extended Stellar Properties
Surface gravity (log g)
4.503 dex
Stellar density
2.033 g/cm³
Metallicity ratio
[Fe/H]
Multi-band Host Photometry — 16 bands
Astrometric Data
Parallax
1.754 mas
Total Proper Motion
22.596 mas/yr
PM Right Ascension
-5.49 mas/yr
PM Declination
-21.92 mas/yr
Galactic Cartesian (pc)
x = 0.355 · y = -0.600 · z = 0.717
Equatorial (J2000)
RA 300.61966° · Dec 45.78881°
Galactic ℓ, b
80.831° · 7.905°
Ecliptic λ, β
323.222° · 63.679°
HTM-20 index
-1230319073
Similar Worlds
Kepler-305 e
Super-Earth · K-type orange
Radius 1.79 R⊕ · 2,832.6 ly
TOI-1075 b
Super-Earth · K-type orange
Radius 1.79 R⊕ · 200.5 ly
Kepler-768 b
Super-Earth · K-type orange
Radius 1.79 R⊕ · 2,558.9 ly
K2-155 b
Super-Earth · K-type orange
Radius 1.80 R⊕ · 237.4 ly
TOI-2427 b
Super-Earth · K-type orange
Radius 1.80 R⊕ · 93.0 ly
Kepler-1353 b
Super-Earth · K-type orange
Radius 1.80 R⊕ · 1,935.4 ly