Key parameters at a glance
- A radius of 2.09 Earth radii
- A mass of 5.02 Earth masses
- Surface gravity around 1.15 g
- An orbital period of 55.674 days
- Semi-major axis 0.2658 AU
- Equilibrium temperature 384 K (111 °C)
- Distance from Earth 1,985.44 light-years
- Earth Similarity Index 0.662
- Travel time at Voyager 1 speed 35,013,153 years
Kepler-934 b Planet Profile
Physical Specs
Classification
Planet Type
Sub-Neptune
Discovery
Size rank in cohort
Rank by radius
#1832of 1978
top 92.6%
This planet
2.09R⊕
Sub-Neptune median
2.71R⊕
Nearest-size peers
| Metric | Earth | Kepler-934 b | Jupiter |
|---|---|---|---|
| Radius (R⊕) | 1.00 | 2.09 | 11.21 |
| Mass (M⊕) | 1.00 | 5.02 | 317.83 |
| Density (g/cm³) | 5.51 | 3.02 | 1.33 |
| Surface Gravity (g) | 1.00 | 1.15 | 2.53 |
| Insolation (S⊕) | 1.00 | 4.72 | 0.037 |
Star Catalogue Identifiers
TIC
TIC 159379942
Gaia DR2
Gaia DR2 2126835717285958912
Gaia DR3
Gaia DR3 2126835717285958912
System
Kepler-934
Percentile among Sub-Neptune cohort
Orbit & Habitability
Orbital Dynamics
Year Length
A year here lasts approximately 55.67 Earth days (15.2% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.2658 AU.
Transit Fingerprint
Depth
0.077 %
Duration
3.805 h
Impact parameter b
0.274
Rp / R★
0.024816
Transit midpoint (BJD)
2,454,969.5435
Photometric dip
Transit produces a flux drop of 765 ppm lasting ≈ 3.81 h.
Extended Orbital Architecture
Planet / star radius ratio
0.024816
Semi-major axis / stellar radius
114.480
Impact parameter (b)
0.274
Transit mid-time (BJD)
2,454,969.5435
Angular separation (arcsec)
0.43700
Eq. Temperature
384K
(111 °C)
Insolation (S⊕)
4.72
Earth = 1.00
Earth Similarity (ESI)
0.662
0 = alien, 1 = Earth-identical
Inside the inner HZ boundary (too hot for liquid water) — the surface is too hot to retain surface water.
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-934
Spectral Class
K-type orange
Effective Temperature
5,001 K — cooler than the Sun (5,778 K)
Estimated Age
4.47 Gyr — younger than the Sun (4.6 Gyr)
Stellar Radius
0.770 R☉
Stellar Mass
0.810 M☉
Metallicity [Fe/H]
0.01
Extended Stellar Properties
Surface gravity (log g)
4.590 dex
Stellar density
9.156 g/cm³
Metallicity ratio
[Fe/H]
Multi-band Host Photometry — 16 bands
Astrometric Data
Parallax
1.614 mas
Total Proper Motion
15.800 mas/yr
PM Right Ascension
-3.24 mas/yr
PM Declination
-15.46 mas/yr
Galactic Cartesian (pc)
x = 0.250 · y = -0.677 · z = 0.692
Equatorial (J2000)
RA 290.28845° · Dec 43.75526°
Galactic ℓ, b
75.509° · 13.429°
Ecliptic λ, β
305.857° · 64.689°
HTM-20 index
922103589
Similar Worlds
TOI-500 c
Sub-Neptune · K-type orange
Radius 2.09 R⊕ · 154.6 ly
Kepler-691 b
Sub-Neptune · K-type orange
Radius 2.09 R⊕ · 910.4 ly
EPIC 206317286 c
Sub-Neptune · K-type orange
Radius 2.09 R⊕ · 1,025.3 ly
Kepler-237 c
Sub-Neptune · K-type orange
Radius 2.08 R⊕ · 2,145.5 ly
Kepler-1529 b
Sub-Neptune · K-type orange
Radius 2.10 R⊕ · 2,155.9 ly
Kepler-900 b
Sub-Neptune · K-type orange
Radius 2.08 R⊕ · 1,590.1 ly