Key parameters at a glance
- A radius of 2.36 Earth radii
- A mass of 6.17 Earth masses
- Surface gravity around 1.11 g
- An orbital period of 56.354 days
- Semi-major axis 0.2579 AU
- Equilibrium temperature 352 K (79 °C)
- Distance from Earth 1,021.09 light-years
- Earth Similarity Index 0.678
- Travel time at Voyager 1 speed 18,006,922 years
Kepler-482 b Planet Profile
Physical Specs
Classification
Planet Type
Sub-Neptune
Discovery
Size rank in cohort
Rank by radius
#1395of 1978
top 70.5%
This planet
2.36R⊕
Sub-Neptune median
2.71R⊕
Nearest-size peers
| Metric | Earth | Kepler-482 b | Jupiter |
|---|---|---|---|
| Radius (R⊕) | 1.00 | 2.36 | 11.21 |
| Mass (M⊕) | 1.00 | 6.17 | 317.83 |
| Density (g/cm³) | 5.51 | 2.58 | 1.33 |
| Surface Gravity (g) | 1.00 | 1.11 | 2.53 |
| Insolation (S⊕) | 1.00 | 4.44 | 0.037 |
Star Catalogue Identifiers
TIC
TIC 27987264
Gaia DR2
Gaia DR2 2086629463276947456
Gaia DR3
Gaia DR3 2086629463276947456
System
Kepler-482
Percentile among Sub-Neptune cohort
Orbit & Habitability
Orbital Dynamics
Year Length
A year here lasts approximately 56.35 Earth days (15.4% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.2579 AU.
Transit Fingerprint
Depth
0.104 %
Duration
3.290 h
Impact parameter b
0.029
Rp / R★
0.030152
Transit midpoint (BJD)
2,454,977.8364
Photometric dip
Transit produces a flux drop of 1,037 ppm lasting ≈ 3.29 h.
Extended Orbital Architecture
Planet / star radius ratio
0.030152
Semi-major axis / stellar radius
133.700
Impact parameter (b)
0.029
Transit mid-time (BJD)
2,454,977.8364
Angular separation (arcsec)
0.82400
Eq. Temperature
352K
(79 °C)
Insolation (S⊕)
4.44
Earth = 1.00
Earth Similarity (ESI)
0.678
0 = alien, 1 = Earth-identical
Inside the inner HZ boundary (too hot for liquid water) — liquid water is physically possible with adequate atmospheric pressure.
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-482
Spectral Class
K-type orange
Effective Temperature
4,871 K — cooler than the Sun (5,778 K)
Estimated Age
6.03 Gyr — older than the Sun (4.6 Gyr)
Stellar Radius
0.720 R☉
Stellar Mass
0.750 M☉
Metallicity [Fe/H]
-0.13
Extended Stellar Properties
Surface gravity (log g)
4.600 dex
Stellar density
1.800 g/cm³
Systemic radial velocity
-99.51 km/s
Rotational v·sin i
2.60 km/s
Metallicity ratio
[Fe/H]
Multi-band Host Photometry — 16 bands
Astrometric Data
Parallax
3.165 mas
Total Proper Motion
50.074 mas/yr
PM Right Ascension
12.14 mas/yr
PM Declination
48.58 mas/yr
Galactic Cartesian (pc)
x = 0.301 · y = -0.596 · z = 0.744
Equatorial (J2000)
RA 296.82293° · Dec 48.10776°
Galactic ℓ, b
81.569° · 11.305°
Ecliptic λ, β
320.244° · 66.927°
HTM-20 index
1968857794
Similar Worlds
Kepler-1214 b
Sub-Neptune · K-type orange
Radius 2.36 R⊕ · 2,378.4 ly
Kepler-1022 b
Sub-Neptune · K-type orange
Radius 2.36 R⊕ · 1,370.0 ly
K2-233 d
Sub-Neptune · K-type orange
Radius 2.36 R⊕ · 220.2 ly
TOI-2443 b
Sub-Neptune · K-type orange
Radius 2.36 R⊕ · 78.0 ly
TOI-1782.01
Sub-Neptune · K-type orange
Radius 2.37 R⊕ · 310.7 ly
Kepler-1814 b
Sub-Neptune · K-type orange
Radius 2.37 R⊕ · 2,369.0 ly