Key parameters at a glance
- A radius of 2.95 Earth radii
- A mass of 9.01 Earth masses
- Surface gravity around 1.04 g
- An orbital period of 11.515 days
- Semi-major axis 0.0965 AU
- Equilibrium temperature 657 K (384 °C)
- Distance from Earth 2,266.98 light-years
- Earth Similarity Index 0.361
- Travel time at Voyager 1 speed 39,978,131 years
- Almost certainly tidally locked to its host star given the close orbit
Kepler-735 b Planet Profile
Physical Specs
Classification
Planet Type
Sub-Neptune
Discovery
Size rank in cohort
Rank by radius
#557of 1978
top 28.1%
This planet
2.95R⊕
Sub-Neptune median
2.71R⊕
Nearest-size peers
| Metric | Earth | Kepler-735 b | Jupiter |
|---|---|---|---|
| Radius (R⊕) | 1.00 | 2.95 | 11.21 |
| Mass (M⊕) | 1.00 | 9.01 | 317.83 |
| Density (g/cm³) | 5.51 | 1.93 | 1.33 |
| Surface Gravity (g) | 1.00 | 1.04 | 2.53 |
| Insolation (S⊕) | 1.00 | 32.68 | 0.037 |
Star Catalogue Identifiers
TIC
TIC 164780824
Gaia DR2
Gaia DR2 2107285644626768640
Gaia DR3
Gaia DR3 2107285644626768640
System
Kepler-735
Percentile among Sub-Neptune cohort
Orbit & Habitability
Orbital Dynamics
Year Length
A year here lasts approximately 11.52 Earth days (3.2% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.0965 AU.
Transit Fingerprint
Depth
0.143 %
Duration
2.019 h
Impact parameter b
0.244
Rp / R★
0.033984
Transit midpoint (BJD)
2,455,007.8588
Photometric dip
Transit produces a flux drop of 1,430 ppm lasting ≈ 2.02 h.
Extended Orbital Architecture
Planet / star radius ratio
0.033984
Semi-major axis / stellar radius
43.790
Impact parameter (b)
0.244
Transit mid-time (BJD)
2,455,007.8588
Angular separation (arcsec)
0.13900
Eq. Temperature
657K
(384 °C)
Insolation (S⊕)
32.68
Earth = 1.00
Earth Similarity (ESI)
0.361
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
Morton et al. 2016Instrument
Kepler CCD Array
Publication
2016-05
Observation locale
Space
Discovery cohort
Planets confirmed in 2016 at Kepler (12 shown).
Host System: Kepler-735
Spectral Class
K-type orange
Effective Temperature
5,107 K — cooler than the Sun (5,778 K)
Estimated Age
4.37 Gyr — younger than the Sun (4.6 Gyr)
Stellar Radius
0.800 R☉
Stellar Mass
0.850 M☉
Metallicity [Fe/H]
0.07
Extended Stellar Properties
Surface gravity (log g)
4.570 dex
Stellar density
11.978 g/cm³
Metallicity ratio
[Fe/H]
Multi-band Host Photometry — 16 bands
Astrometric Data
Parallax
1.410 mas
Total Proper Motion
25.183 mas/yr
PM Right Ascension
-11.24 mas/yr
PM Declination
-22.54 mas/yr
Galactic Cartesian (pc)
x = 0.176 · y = -0.670 · z = 0.721
Equatorial (J2000)
RA 284.68883° · Dec 46.17214°
Galactic ℓ, b
76.227° · 18.016°
Ecliptic λ, β
298.186° · 68.179°
HTM-20 index
-1357367268
Similar Worlds
K2-270 c
Sub-Neptune · K-type orange
Radius 2.95 R⊕ · 914.9 ly
TOI-2459 b
Sub-Neptune · K-type orange
Radius 2.95 R⊕ · 119.4 ly
Kepler-1728 b
Sub-Neptune · K-type orange
Radius 2.96 R⊕ · 2,125.8 ly
TOI-815 b
Sub-Neptune · K-type orange
Radius 2.94 R⊕ · 194.8 ly
Kepler-1086 c
Sub-Neptune · K-type orange
Radius 2.94 R⊕ · 1,520.2 ly
TOI-178 g
Sub-Neptune · K-type orange
Radius 2.94 R⊕ · 204.5 ly