Key parameters at a glance
- A radius of 1.02 Earth radii
- A mass of 1.04 Earth masses
- Surface gravity around 1.00 g
- An orbital period of 2.025 days
- Semi-major axis 0.0330 AU
- Equilibrium temperature 1,625 K (1352 °C)
- Distance from Earth 2,507.68 light-years
- Earth Similarity Index 0.186
- Travel time at Voyager 1 speed 44,222,988 years
2 siblings around Kepler-336
Kepler-336 b 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-336 b this | Rocky Terrestrial | 1.02 | 1.04 | 2.025 | 1,625 | 2014 |
| Kepler-336 c | Sub-Neptune | 2.10 | 5.06 | 9.600 | 967 | 2014 |
| Kepler-336 d | Sub-Neptune | 2.37 | 6.21 | 20.679 | 749 | 2014 |
Kepler-336 b Planet Profile
Physical Specs
Classification
Planet Type
Rocky Terrestrial
Discovery
Size rank in cohort
Rank by radius
#311of 570
top 54.4%
This planet
1.02R⊕
Rocky Terrestrial median
1.01R⊕
Nearest-size peers
| Metric | Earth | Kepler-336 b | Jupiter |
|---|---|---|---|
| Radius (R⊕) | 1.00 | 1.02 | 11.21 |
| Mass (M⊕) | 1.00 | 1.04 | 317.83 |
| Density (g/cm³) | 5.51 | 5.39 | 1.33 |
| Surface Gravity (g) | 1.00 | 1.00 | 2.53 |
| Insolation (S⊕) | 1.00 | 1,652.50 | 0.037 |
Star Catalogue Identifiers
TIC
TIC 122298677
Gaia DR2
Gaia DR2 2101792175299215488
Gaia DR3
Gaia DR3 2101792175301394048
System
Kepler-336
Percentile among Rocky Terrestrial cohort
Orbit & Habitability
Orbital Dynamics
Year Length
A year here lasts approximately 2.02 Earth days (0.6% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.0330 AU.
Transit Fingerprint
Depth
0.006 %
Duration
2.762 h
Impact parameter b
0.060
Rp / R★
0.007715
Transit midpoint (BJD)
2,454,965.3561
Photometric dip
Transit produces a flux drop of 63 ppm lasting ≈ 2.76 h.
Extended Orbital Architecture
Planet / star radius ratio
0.007715
Semi-major axis / stellar radius
2.620
Impact parameter (b)
0.060
Transit mid-time (BJD)
2,454,965.3561
Angular separation (arcsec)
0.04290
Eq. Temperature
1,625K
(1352 °C)
Insolation (S⊕)
1,652.50
Earth = 1.00
Earth Similarity (ESI)
0.186
0 = alien, 1 = Earth-identical
Inside the inner HZ boundary (too hot for liquid water) — the dayside is scorched.
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-336
Spectral Class
G-type yellow (Sun-like)
Effective Temperature
5,867 K — hotter than the Sun (5,778 K)
Estimated Age
4.90 Gyr — older than the Sun (4.6 Gyr)
Stellar Radius
1.304 R☉
Stellar Mass
1.090 M☉
Metallicity [Fe/H]
0.34
Extended Stellar Properties
Surface gravity (log g)
4.264 dex
Stellar density
1.045 g/cm³
Metallicity ratio
[M/H]
Multi-band Host Photometry — 16 bands
Astrometric Data
Parallax
0.429 mas
Total Proper Motion
6.714 mas/yr
PM Right Ascension
-2.41 mas/yr
PM Declination
-6.27 mas/yr
Galactic Cartesian (pc)
x = 0.260 · y = -0.705 · z = 0.660
Equatorial (J2000)
RA 290.23762° · Dec 41.33136°
Galactic ℓ, b
73.240° · 12.434°
Ecliptic λ, β
304.092° · 62.396°
HTM-20 index
308780543
Similar Worlds
Kepler-130 b
Rocky Terrestrial · G-type yellow (Sun-like)
Radius 1.02 R⊕ · 1,032.8 ly
Kepler-192 d
Rocky Terrestrial · G-type yellow (Sun-like)
Radius 1.02 R⊕ · 2,125.5 ly
Kepler-1312 c
Rocky Terrestrial · G-type yellow (Sun-like)
Radius 1.03 R⊕ · 975.5 ly
Kepler-1911 b
Rocky Terrestrial · G-type yellow (Sun-like)
Radius 1.01 R⊕ · 880.3 ly
Kepler-1081 b
Rocky Terrestrial · G-type yellow (Sun-like)
Radius 1.01 R⊕ · 1,370.6 ly
Kepler-282 b
Rocky Terrestrial · G-type yellow (Sun-like)
Radius 1.01 R⊕ · 4,362.7 ly