Key parameters at a glance
- A radius of 1.52 Earth radii
- A mass of 2.92 Earth masses
- Surface gravity around 1.27 g
- An orbital period of 48.888 days
- Semi-major axis 0.2395 AU
- Equilibrium temperature 386 K (113 °C)
- Distance from Earth 1,834.13 light-years
- Earth Similarity Index 0.734
- Travel time at Voyager 1 speed 32,344,911 years
- Almost certainly tidally locked to its host star given the close orbit
Kepler-1853 b Planet Profile
Physical Specs
Classification
Planet Type
Super-Earth
Discovery
Size rank in cohort
Rank by radius
#723of 1176
top 61.4%
This planet
1.52R⊕
Super-Earth median
1.60R⊕
Nearest-size peers
| Metric | Earth | Kepler-1853 b | Jupiter |
|---|---|---|---|
| Radius (R⊕) | 1.00 | 1.52 | 11.21 |
| Mass (M⊕) | 1.00 | 2.92 | 317.83 |
| Density (g/cm³) | 5.51 | 4.58 | 1.33 |
| Surface Gravity (g) | 1.00 | 1.27 | 2.53 |
| Insolation (S⊕) | 1.00 | 5.23 | 0.037 |
Star Catalogue Identifiers
TIC
TIC 164784178
Gaia DR2
Gaia DR2 2107294505140214784
Gaia DR3
Gaia DR3 2107294505140214784
System
Kepler-1853
Percentile among Super-Earth cohort
Orbit & Habitability
Orbital Dynamics
Year Length
A year here lasts approximately 48.89 Earth days (13.4% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.2395 AU.
Transit Fingerprint
Depth
0.037 %
Duration
6.468 h
Impact parameter b
0.268
Rp / R★
0.017299
Transit midpoint (BJD)
2,454,986.8116
Photometric dip
Transit produces a flux drop of 372 ppm lasting ≈ 6.47 h.
Extended Orbital Architecture
Planet / star radius ratio
0.017299
Semi-major axis / stellar radius
17.770
Impact parameter (b)
0.268
Transit mid-time (BJD)
2,454,986.8116
Angular separation (arcsec)
0.42600
Eq. Temperature
386K
(113 °C)
Insolation (S⊕)
5.23
Earth = 1.00
Earth Similarity (ESI)
0.734
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-1853
Spectral Class
K-type orange
Effective Temperature
4,821 K — cooler than the Sun (5,778 K)
Estimated Age
14.00 Gyr — older than the Sun (4.6 Gyr)
Stellar Radius
0.788 R☉
Stellar Mass
0.765 M☉
Metallicity [Fe/H]
0.16
Extended Stellar Properties
Surface gravity (log g)
4.529 dex
Stellar density
0.044 g/cm³
Metallicity ratio
[Fe/H]
Multi-band Host Photometry — 16 bands
Astrometric Data
Parallax
1.750 mas
Total Proper Motion
4.808 mas/yr
PM Right Ascension
-0.34 mas/yr
PM Declination
-4.80 mas/yr
Galactic Cartesian (pc)
x = 0.176 · y = -0.667 · z = 0.724
Equatorial (J2000)
RA 284.74788° · Dec 46.37354°
Galactic ℓ, b
76.441° · 18.049°
Ecliptic λ, β
298.441° · 68.361°
HTM-20 index
-1386467236
Similar Worlds
Kepler-326 b
Super-Earth · K-type orange
Radius 1.52 R⊕ · 1,590.6 ly
Kepler-306 b
Super-Earth · K-type orange
Radius 1.52 R⊕ · 2,529.9 ly
Kepler-1809 b
Super-Earth · K-type orange
Radius 1.51 R⊕ · 1,335.9 ly
HD 219134 c
Super-Earth · K-type orange
Radius 1.51 R⊕ · 21.3 ly
Kepler-828 b
Super-Earth · K-type orange
Radius 1.51 R⊕ · 1,876.4 ly
Kepler-1324 b
Super-Earth · K-type orange
Radius 1.51 R⊕ · 1,571.0 ly