Key parameters at a glance
- A radius of 1.76 Earth radii
- A mass of 3.76 Earth masses
- Surface gravity around 1.21 g
- An orbital period of 14.820 days
- Semi-major axis 0.1105 AU
- Equilibrium temperature 552 K (279 °C)
- Distance from Earth 1,221.83 light-years
- Earth Similarity Index 0.515
- Travel time at Voyager 1 speed 21,546,958 years
- Almost certainly tidally locked to its host star given the close orbit
Kepler-1846 b Planet Profile
Physical Specs
Classification
Planet Type
Super-Earth
Discovery
Size rank in cohort
Rank by radius
#314of 1176
top 26.6%
This planet
1.76R⊕
Super-Earth median
1.60R⊕
Nearest-size peers
| Metric | Earth | Kepler-1846 b | Jupiter |
|---|---|---|---|
| Radius (R⊕) | 1.00 | 1.76 | 11.21 |
| Mass (M⊕) | 1.00 | 3.76 | 317.83 |
| Density (g/cm³) | 5.51 | 3.77 | 1.33 |
| Surface Gravity (g) | 1.00 | 1.21 | 2.53 |
| Insolation (S⊕) | 1.00 | 24.50 | 0.037 |
Star Catalogue Identifiers
TIC
TIC 271044777
Gaia DR2
Gaia DR2 2079893820684922112
Gaia DR3
Gaia DR3 2079893820684922112
System
Kepler-1846
Percentile among Super-Earth cohort
Orbit & Habitability
Orbital Dynamics
Year Length
A year here lasts approximately 14.82 Earth days (4.1% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.1105 AU.
Transit Fingerprint
Depth
0.018 %
Duration
3.902 h
Impact parameter b
0.059
Rp / R★
0.011998
Transit midpoint (BJD)
2,454,966.3993
Photometric dip
Transit produces a flux drop of 185 ppm lasting ≈ 3.90 h.
Extended Orbital Architecture
Planet / star radius ratio
0.011998
Semi-major axis / stellar radius
29.320
Impact parameter (b)
0.059
Transit mid-time (BJD)
2,454,966.3993
Angular separation (arcsec)
0.29500
Eq. Temperature
552K
(279 °C)
Insolation (S⊕)
24.50
Earth = 1.00
Earth Similarity (ESI)
0.515
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-1846
Spectral Class
K-type orange
Effective Temperature
4,825 K — cooler than the Sun (5,778 K)
Estimated Age
14.00 Gyr — older than the Sun (4.6 Gyr)
Stellar Radius
0.732 R☉
Stellar Mass
0.785 M☉
Metallicity [Fe/H]
0.08
Extended Stellar Properties
Surface gravity (log g)
4.603 dex
Stellar density
2.170 g/cm³
Metallicity ratio
[Fe/H]
Multi-band Host Photometry — 16 bands
Astrometric Data
Parallax
2.641 mas
Total Proper Motion
18.086 mas/yr
PM Right Ascension
-17.66 mas/yr
PM Declination
3.92 mas/yr
Galactic Cartesian (pc)
x = 0.293 · y = -0.647 · z = 0.704
Equatorial (J2000)
RA 294.39095° · Dec 44.76295°
Galactic ℓ, b
77.756° · 11.231°
Ecliptic λ, β
313.109° · 64.594°
HTM-20 index
-1708528415
Similar Worlds
Kepler-1062 b
Super-Earth · K-type orange
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Kepler-1814 c
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Kepler-755 b
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HD 15337 b
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Kepler-1465 b
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Kepler-1389 b
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Radius 1.77 R⊕ · 1,621.3 ly