Key parameters at a glance
- A radius of 1.35 Earth radii
- A mass of 2.39 Earth masses
- Surface gravity around 1.31 g
- An orbital period of 8.260 days
- Semi-major axis 0.0750 AU
- Equilibrium temperature 714 K (441 °C)
- Distance from Earth 2,340.26 light-years
- Earth Similarity Index 0.438
- Travel time at Voyager 1 speed 41,270,436 years
- Almost certainly tidally locked to its host star given the close orbit
1 sibling around Kepler-330
Kepler-330 b shares its host star with 1 other confirmed planet. Side-by-side measurements below.
| Planet | Type | Radius (R⊕) | Mass (M⊕) | Period (d) | Eq. T (K) | Year |
|---|---|---|---|---|---|---|
| Kepler-330 b this | Super-Earth | 1.35 | 2.39 | 8.260 | 714 | 2014 |
| Kepler-330 c | Super-Earth | 1.95 | 4.46 | 15.955 | 573 | 2014 |
Kepler-330 b Planet Profile
Physical Specs
Classification
Planet Type
Super-Earth
Discovery
Size rank in cohort
Rank by radius
#996of 1176
top 84.6%
This planet
1.35R⊕
Super-Earth median
1.60R⊕
Nearest-size peers
| Metric | Earth | Kepler-330 b | Jupiter |
|---|---|---|---|
| Radius (R⊕) | 1.00 | 1.35 | 11.21 |
| Mass (M⊕) | 1.00 | 2.39 | 317.83 |
| Density (g/cm³) | 5.51 | 5.34 | 1.33 |
| Surface Gravity (g) | 1.00 | 1.31 | 2.53 |
| Insolation (S⊕) | 1.00 | 66.58 | 0.037 |
Star Catalogue Identifiers
TIC
TIC 158727691
Gaia DR2
Gaia DR2 2127181926007695744
Gaia DR3
Gaia DR3 2127181926007695744
System
Kepler-330
Percentile among Super-Earth cohort
Orbit & Habitability
Orbital Dynamics
Year Length
A year here lasts approximately 8.26 Earth days (2.3% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.0750 AU.
Transit Fingerprint
Depth
0.030 %
Duration
3.005 h
Impact parameter b
0.640
Rp / R★
0.015322
Transit midpoint (BJD)
2,454,986.9831
Photometric dip
Transit produces a flux drop of 298 ppm lasting ≈ 3.01 h.
Extended Orbital Architecture
Planet / star radius ratio
0.015322
Semi-major axis / stellar radius
20.500
Impact parameter (b)
0.640
Transit mid-time (BJD)
2,454,986.9831
Angular separation (arcsec)
0.10500
Eq. Temperature
714K
(441 °C)
Insolation (S⊕)
66.58
Earth = 1.00
Earth Similarity (ESI)
0.438
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
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-330
Spectral Class
K-type orange
Effective Temperature
5,117 K — cooler than the Sun (5,778 K)
Estimated Age
3.47 Gyr — younger than the Sun (4.6 Gyr)
Stellar Radius
0.722 R☉
Stellar Mass
0.848 M☉
Metallicity [Fe/H]
0.16
Extended Stellar Properties
Surface gravity (log g)
4.636 dex
Stellar density
1.730 g/cm³
Metallicity ratio
[Fe/H]
Multi-band Host Photometry — 16 bands
Astrometric Data
Parallax
1.365 mas
Total Proper Motion
11.911 mas/yr
PM Right Ascension
2.64 mas/yr
PM Declination
11.61 mas/yr
Galactic Cartesian (pc)
x = 0.225 · y = -0.673 · z = 0.705
Equatorial (J2000)
RA 288.44740° · Dec 44.80176°
Galactic ℓ, b
75.937° · 15.059°
Ecliptic λ, β
303.650° · 66.099°
HTM-20 index
1288690904
Similar Worlds
Kepler-935 b
Super-Earth · K-type orange
Radius 1.35 R⊕ · 1,538.7 ly
Kepler-1265 b
Super-Earth · K-type orange
Radius 1.35 R⊕ · 1,903.6 ly
Kepler-1680 b
Super-Earth · K-type orange
Radius 1.36 R⊕ · 1,012.1 ly
Kepler-442 b
Super-Earth · K-type orange
Radius 1.34 R⊕ · 1,193.6 ly
Kepler-1246 b
Super-Earth · K-type orange
Radius 1.36 R⊕ · 1,423.7 ly
Kepler-1459 b
Super-Earth · K-type orange
Radius 1.36 R⊕ · 1,485.6 ly