Key parameters at a glance
- A radius of 1.29 Earth radii
- A mass of 2.21 Earth masses
- Surface gravity around 1.33 g
- An orbital period of 6.080 days
- Semi-major axis 0.0597 AU
- Equilibrium temperature 808 K (535 °C)
- Earth Similarity Index 0.388
- Almost certainly tidally locked to its host star given the close orbit
Kepler-1945 b Planet Profile
Physical Specs
Classification
Planet Type
Super-Earth
Discovery
Size rank in cohort
Rank by radius
#1111of 1176
top 94.4%
This planet
1.29R⊕
Super-Earth median
1.60R⊕
Nearest-size peers
| Metric | Earth | Kepler-1945 b | Jupiter |
|---|---|---|---|
| Radius (R⊕) | 1.00 | 1.29 | 11.21 |
| Mass (M⊕) | 1.00 | 2.21 | 317.83 |
| Density (g/cm³) | 5.51 | 5.67 | 1.33 |
| Surface Gravity (g) | 1.00 | 1.33 | 2.53 |
| Insolation (S⊕) | 1.00 | 100.72 | 0.037 |
Star Catalogue Identifiers
TIC
TIC 123408849
System
Kepler-1945
Percentile among Super-Earth cohort
Orbit & Habitability
Orbital Dynamics
Year Length
A year here lasts approximately 6.08 Earth days (1.7% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.0597 AU.
Transit Fingerprint
Depth
0.018 %
Duration
1.308 h
Impact parameter b
0.254
Rp / R★
0.012218
Transit midpoint (BJD)
2,454,969.8826
Photometric dip
Transit produces a flux drop of 184 ppm lasting ≈ 1.31 h.
Extended Orbital Architecture
Planet / star radius ratio
0.012218
Semi-major axis / stellar radius
34.800
Impact parameter (b)
0.254
Transit mid-time (BJD)
2,454,969.8826
Eq. Temperature
808K
(535 °C)
Insolation (S⊕)
100.72
Earth = 1.00
Earth Similarity (ESI)
0.388
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-1945
Spectral Class
K-type orange
Effective Temperature
4,991 K — cooler than the Sun (5,778 K)
Estimated Age
—
Stellar Radius
0.804 R☉
Stellar Mass
0.767 M☉
Metallicity [Fe/H]
0.04
Extended Stellar Properties
Surface gravity (log g)
4.513 dex
Stellar density
21.567 g/cm³
Metallicity ratio
[Fe/H]
Multi-band Host Photometry — 15 bands
Astrometric Data
Total Proper Motion
12.054 mas/yr
PM Right Ascension
-7.04 mas/yr
PM Declination
-9.78 mas/yr
Galactic Cartesian (pc)
x = 0.153 · y = -0.724 · z = 0.673
Equatorial (J2000)
RA 281.89808° · Dec 42.28582°
Galactic ℓ, b
71.658° · 18.533°
Ecliptic λ, β
291.035° · 64.858°
HTM-20 index
-1816938093
Similar Worlds
Kepler-211 c
Super-Earth · K-type orange
Radius 1.29 R⊕ · 1,009.0 ly
Kepler-1953 b
Super-Earth · K-type orange
Radius 1.29 R⊕ · 1,975.3 ly
Kepler-1037 b
Super-Earth · K-type orange
Radius 1.28 R⊕ · 1,457.6 ly
Kepler-787 b
Super-Earth · K-type orange
Radius 1.28 R⊕ · 1,642.4 ly
Kepler-776 b
Super-Earth · K-type orange
Radius 1.28 R⊕ · 2,374.1 ly
TOI-431 b
Super-Earth · K-type orange
Radius 1.28 R⊕ · 106.2 ly