Key parameters at a glance
- A radius of 2.23 Earth radii
- A mass of 5.59 Earth masses
- Surface gravity around 1.13 g
- An orbital period of 16.005 days
- Semi-major axis 0.1179 AU
- Equilibrium temperature 583 K (310 °C)
- Distance from Earth 2,308.17 light-years
- Earth Similarity Index 0.451
- Travel time at Voyager 1 speed 40,704,521 years
- Almost certainly tidally locked to its host star given the close orbit
Kepler-1753 b Planet Profile
Physical Specs
Classification
Planet Type
Sub-Neptune
Discovery
Size rank in cohort
Rank by radius
#1638of 1978
top 82.8%
This planet
2.23R⊕
Sub-Neptune median
2.71R⊕
Nearest-size peers
| Metric | Earth | Kepler-1753 b | Jupiter |
|---|---|---|---|
| Radius (R⊕) | 1.00 | 2.23 | 11.21 |
| Mass (M⊕) | 1.00 | 5.59 | 317.83 |
| Density (g/cm³) | 5.51 | 2.78 | 1.33 |
| Surface Gravity (g) | 1.00 | 1.13 | 2.53 |
| Insolation (S⊕) | 1.00 | 27.41 | 0.037 |
Star Catalogue Identifiers
TIC
TIC 158664331
Gaia DR2
Gaia DR2 2130405075624683136
Gaia DR3
Gaia DR3 2130405075624683136
System
Kepler-1753
Percentile among Sub-Neptune cohort
Orbit & Habitability
Orbital Dynamics
Year Length
A year here lasts approximately 16.00 Earth days (4.4% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.1179 AU.
Transit Fingerprint
Depth
0.083 %
Duration
3.948 h
Impact parameter b
0.025
Rp / R★
0.025580
Transit midpoint (BJD)
2,454,973.4828
Photometric dip
Transit produces a flux drop of 832 ppm lasting ≈ 3.95 h.
Extended Orbital Architecture
Planet / star radius ratio
0.025580
Semi-major axis / stellar radius
31.900
Impact parameter (b)
0.025
Transit mid-time (BJD)
2,454,973.4828
Angular separation (arcsec)
0.16700
Eq. Temperature
583K
(310 °C)
Insolation (S⊕)
27.41
Earth = 1.00
Earth Similarity (ESI)
0.451
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-1753
Spectral Class
K-type orange
Effective Temperature
5,180 K — cooler than the Sun (5,778 K)
Estimated Age
6.20 Gyr — older than the Sun (4.6 Gyr)
Stellar Radius
0.769 R☉
Stellar Mass
0.860 M☉
Metallicity [Fe/H]
0.00
Extended Stellar Properties
Surface gravity (log g)
4.597 dex
Stellar density
1.614 g/cm³
Metallicity ratio
[Fe/H]
Multi-band Host Photometry — 16 bands
Astrometric Data
Parallax
1.385 mas
Total Proper Motion
8.250 mas/yr
PM Right Ascension
-2.20 mas/yr
PM Declination
-7.95 mas/yr
Galactic Cartesian (pc)
x = 0.215 · y = -0.653 · z = 0.727
Equatorial (J2000)
RA 288.23666° · Dec 46.60587°
Galactic ℓ, b
77.598° · 15.905°
Ecliptic λ, β
304.772° · 67.855°
HTM-20 index
1726545731
Similar Worlds
Kepler-1782 b
Sub-Neptune · K-type orange
Radius 2.23 R⊕ · 997.4 ly
TOI-1453 c
Sub-Neptune · K-type orange
Radius 2.22 R⊕ · 256.8 ly
K2-17 b
Sub-Neptune · K-type orange
Radius 2.23 R⊕ · 408.0 ly
K2-268 f
Sub-Neptune · K-type orange
Radius 2.23 R⊕ · 1,069.1 ly
TOI-1346 c
Sub-Neptune · K-type orange
Radius 2.23 R⊕ · 376.5 ly
Kepler-1701 b
Sub-Neptune · K-type orange
Radius 2.22 R⊕ · 1,905.2 ly