Key parameters at a glance
- A radius of 1.41 Earth radii
- A mass of 2.58 Earth masses
- Surface gravity around 1.29 g
- An orbital period of 2.818 days
- Semi-major axis 0.0364 AU
- Equilibrium temperature 1,059 K (786 °C)
- Earth Similarity Index 0.286
- Almost certainly tidally locked to its host star given the close orbit
Kepler-1813 b Planet Profile
Physical Specs
Classification
Planet Type
Super-Earth
Discovery
Size rank in cohort
Rank by radius
#901of 1176
top 76.5%
This planet
1.41R⊕
Super-Earth median
1.60R⊕
Nearest-size peers
| Metric | Earth | Kepler-1813 b | Jupiter |
|---|---|---|---|
| Radius (R⊕) | 1.00 | 1.41 | 11.21 |
| Mass (M⊕) | 1.00 | 2.58 | 317.83 |
| Density (g/cm³) | 5.51 | 5.03 | 1.33 |
| Surface Gravity (g) | 1.00 | 1.29 | 2.53 |
| Insolation (S⊕) | 1.00 | 298.20 | 0.037 |
Star Catalogue Identifiers
TIC
TIC 424864367
Gaia DR2
Gaia DR2 2129660087777589248
System
Kepler-1813
Percentile among Super-Earth cohort
Orbit & Habitability
Orbital Dynamics
Year Length
A year here lasts approximately 2.82 Earth days (0.8% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.0364 AU.
Transit Fingerprint
Depth
0.037 %
Duration
1.776 h
Impact parameter b
0.720
Rp / R★
0.017372
Transit midpoint (BJD)
2,454,965.2513
Photometric dip
Transit produces a flux drop of 370 ppm lasting ≈ 1.78 h.
Extended Orbital Architecture
Planet / star radius ratio
0.017372
Semi-major axis / stellar radius
12.230
Impact parameter (b)
0.720
Transit mid-time (BJD)
2,454,965.2513
Eq. Temperature
1,059K
(786 °C)
Insolation (S⊕)
298.20
Earth = 1.00
Earth Similarity (ESI)
0.286
0 = alien, 1 = Earth-identical
Inside the inner HZ boundary (too hot for liquid water) — the dayside is scorched. 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-1813
Spectral Class
K-type orange
Effective Temperature
5,167 K — cooler than the Sun (5,778 K)
Estimated Age
2.30 Gyr — younger than the Sun (4.6 Gyr)
Stellar Radius
0.787 R☉
Stellar Mass
0.812 M☉
Metallicity [Fe/H]
-0.04
Extended Stellar Properties
Surface gravity (log g)
4.555 dex
Stellar density
3.954 g/cm³
Metallicity ratio
[Fe/H]
Multi-band Host Photometry — 16 bands
Astrometric Data
Total Proper Motion
10.569 mas/yr
PM Right Ascension
-8.75 mas/yr
PM Declination
-5.93 mas/yr
Galactic Cartesian (pc)
x = 0.251 · y = -0.613 · z = 0.749
Equatorial (J2000)
RA 292.23991° · Dec 48.51152°
Galactic ℓ, b
80.537° · 14.210°
Ecliptic λ, β
313.453° · 68.621°
HTM-20 index
-694132638
Similar Worlds
Kepler-1604 b
Super-Earth · K-type orange
Radius 1.41 R⊕ · 1,765.1 ly
Kepler-237 b
Super-Earth · K-type orange
Radius 1.41 R⊕ · 2,145.5 ly
Kepler-62 f
Super-Earth · K-type orange
Radius 1.41 R⊕ · 981.3 ly
Kepler-141 c
Super-Earth · K-type orange
Radius 1.41 R⊕ · 982.3 ly
Kepler-1038 c
Super-Earth · K-type orange
Radius 1.42 R⊕ · 1,905.2 ly
Kepler-1848 b
Super-Earth · K-type orange
Radius 1.41 R⊕ · 1,010.1 ly