Key parameters at a glance
- A radius of 1.41 Earth radii
- A mass of 2.57 Earth masses
- Surface gravity around 1.29 g
- An orbital period of 25.098 days
- Semi-major axis 0.1680 AU
- Equilibrium temperature 656 K (383 °C)
- Distance from Earth 1,391.35 light-years
- Earth Similarity Index 0.469
- Travel time at Voyager 1 speed 24,536,436 years
2 siblings around Kepler-334
Kepler-334 d shares its host star with 2 other confirmed planets. Side-by-side measurements below.
| Planet | Type | Radius (R⊕) | Mass (M⊕) | Period (d) | Eq. T (K) | Year |
|---|---|---|---|---|---|---|
| Kepler-334 b | Rocky Terrestrial | 1.12 | 1.46 | 5.470 | 1,090 | 2014 |
| Kepler-334 c | Super-Earth | 1.43 | 2.63 | 12.758 | 822 | 2014 |
| Kepler-334 d this | Super-Earth | 1.41 | 2.57 | 25.098 | 656 | 2014 |
Kepler-334 d Planet Profile
Physical Specs
Classification
Planet Type
Super-Earth
Discovery
Size rank in cohort
Rank by radius
#902of 1176
top 76.6%
This planet
1.41R⊕
Super-Earth median
1.60R⊕
Nearest-size peers
| Metric | Earth | Kepler-334 d | Jupiter |
|---|---|---|---|
| Radius (R⊕) | 1.00 | 1.41 | 11.21 |
| Mass (M⊕) | 1.00 | 2.57 | 317.83 |
| Density (g/cm³) | 5.51 | 5.04 | 1.33 |
| Surface Gravity (g) | 1.00 | 1.29 | 2.53 |
| Insolation (S⊕) | 1.00 | 39.48 | 0.037 |
Star Catalogue Identifiers
TIC
TIC 158394479
Gaia DR2
Gaia DR2 2130661880308812800
Gaia DR3
Gaia DR3 2130661880308812800
System
Kepler-334
Percentile among Super-Earth cohort
Orbit & Habitability
Orbital Dynamics
Year Length
A year here lasts approximately 25.10 Earth days (6.9% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.1680 AU.
Transit Fingerprint
Depth
0.020 %
Duration
2.767 h
Impact parameter b
0.070
Rp / R★
0.012767
Transit midpoint (BJD)
2,454,978.5695
Photometric dip
Transit produces a flux drop of 197 ppm lasting ≈ 2.77 h.
Extended Orbital Architecture
Planet / star radius ratio
0.012767
Semi-major axis / stellar radius
69.650
Impact parameter (b)
0.070
Transit mid-time (BJD)
2,454,978.5695
Angular separation (arcsec)
0.39400
Eq. Temperature
656K
(383 °C)
Insolation (S⊕)
39.48
Earth = 1.00
Earth Similarity (ESI)
0.469
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
Rowe et al. 2014Instrument
Kepler CCD Array
Publication
2014-03
Observation locale
Space
Discovery cohort
Planets confirmed in 2014 at Kepler (12 shown).
Host System: Kepler-334
Spectral Class
G-type yellow (Sun-like)
Effective Temperature
5,828 K — hotter than the Sun (5,778 K)
Estimated Age
2.75 Gyr — younger than the Sun (4.6 Gyr)
Stellar Radius
1.068 R☉
Stellar Mass
1.022 M☉
Metallicity [Fe/H]
-0.01
Extended Stellar Properties
Surface gravity (log g)
4.385 dex
Stellar density
1.020 g/cm³
Systemic radial velocity
-32.12 km/s
Metallicity ratio
[M/H]
Multi-band Host Photometry — 16 bands
Astrometric Data
Parallax
2.316 mas
Total Proper Motion
20.642 mas/yr
PM Right Ascension
-6.16 mas/yr
PM Declination
-19.70 mas/yr
Galactic Cartesian (pc)
x = 0.201 · y = -0.650 · z = 0.733
Equatorial (J2000)
RA 287.14062° · Dec 47.11512°
Galactic ℓ, b
77.790° · 16.792°
Ecliptic λ, β
303.309° · 68.581°
HTM-20 index
-1639300833
Similar Worlds
Kepler-1205 b
Super-Earth · G-type yellow (Sun-like)
Radius 1.41 R⊕ · 2,278.2 ly
Kepler-537 b
Super-Earth · G-type yellow (Sun-like)
Radius 1.41 R⊕ · 1,433.1 ly
Kepler-656 c
Super-Earth · G-type yellow (Sun-like)
Radius 1.41 R⊕ · 2,903.9 ly
Kepler-1493 b
Super-Earth · G-type yellow (Sun-like)
Radius 1.41 R⊕ · 1,810.3 ly
Kepler-1471 b
Super-Earth · G-type yellow (Sun-like)
Radius 1.41 R⊕ · 3,192.0 ly
Kepler-905 b
Super-Earth · G-type yellow (Sun-like)
Radius 1.41 R⊕ · 1,726.2 ly