Key parameters at a glance
- A radius of 2.57 Earth radii
- A mass of 7.13 Earth masses
- Surface gravity around 1.08 g
- An orbital period of 12.925 days
- Semi-major axis 0.1015 AU
- Equilibrium temperature 620 K (347 °C)
- Distance from Earth 1,020.21 light-years
- Earth Similarity Index 0.403
- Travel time at Voyager 1 speed 17,991,393 years
- Almost certainly tidally locked to its host star given the close orbit
Kepler-532 b Planet Profile
Physical Specs
Classification
Planet Type
Sub-Neptune
Discovery
Size rank in cohort
Rank by radius
#1074of 1978
top 54.2%
This planet
2.57R⊕
Sub-Neptune median
2.71R⊕
Nearest-size peers
| Metric | Earth | Kepler-532 b | Jupiter |
|---|---|---|---|
| Radius (R⊕) | 1.00 | 2.57 | 11.21 |
| Mass (M⊕) | 1.00 | 7.13 | 317.83 |
| Density (g/cm³) | 5.51 | 2.31 | 1.33 |
| Surface Gravity (g) | 1.00 | 1.08 | 2.53 |
| Insolation (S⊕) | 1.00 | 34.09 | 0.037 |
Star Catalogue Identifiers
TIC
TIC 264507945
Gaia DR2
Gaia DR2 2086877368789994240
Gaia DR3
Gaia DR3 2086877368789994240
System
Kepler-532
Percentile among Sub-Neptune cohort
Orbit & Habitability
Orbital Dynamics
Year Length
A year here lasts approximately 12.92 Earth days (3.5% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.1015 AU.
Transit Fingerprint
Depth
0.099 %
Duration
2.623 h
Impact parameter b
0.598
Rp / R★
0.029755
Transit midpoint (BJD)
2,455,003.7859
Photometric dip
Transit produces a flux drop of 987 ppm lasting ≈ 2.62 h.
Extended Orbital Architecture
Planet / star radius ratio
0.029755
Semi-major axis / stellar radius
25.300
Impact parameter (b)
0.598
Transit mid-time (BJD)
2,455,003.7859
Angular separation (arcsec)
0.32500
Eq. Temperature
620K
(347 °C)
Insolation (S⊕)
34.09
Earth = 1.00
Earth Similarity (ESI)
0.403
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
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-532
Spectral Class
K-type orange
Effective Temperature
5,192 K — cooler than the Sun (5,778 K)
Estimated Age
2.00 Gyr — younger than the Sun (4.6 Gyr)
Stellar Radius
0.790 R☉
Stellar Mass
0.870 M☉
Metallicity [Fe/H]
0.00
Extended Stellar Properties
Surface gravity (log g)
4.580 dex
Stellar density
1.890 g/cm³
Metallicity ratio
[Fe/H]
Multi-band Host Photometry — 16 bands
Astrometric Data
Parallax
3.168 mas
Total Proper Motion
15.546 mas/yr
PM Right Ascension
-4.47 mas/yr
PM Declination
-14.89 mas/yr
Galactic Cartesian (pc)
x = 0.317 · y = -0.580 · z = 0.750
Equatorial (J2000)
RA 298.66091° · Dec 48.60630°
Galactic ℓ, b
82.614° · 10.476°
Ecliptic λ, β
323.583° · 66.791°
HTM-20 index
1538034297
Similar Worlds
Kepler-241 c
Sub-Neptune · K-type orange
Radius 2.57 R⊕ · 1,669.9 ly
Kepler-660 b
Sub-Neptune · K-type orange
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Kepler-580 b
Sub-Neptune · K-type orange
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Kepler-245 b
Sub-Neptune · K-type orange
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TOI-1174 b
Sub-Neptune · K-type orange
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KOI-1833 d
Sub-Neptune · K-type orange
Radius 2.58 R⊕ · 946.9 ly