Key parameters at a glance
- A radius of 2.09 Earth radii
- A mass of 5.02 Earth masses
- Surface gravity around 1.15 g
- An orbital period of 20.054 days
- Semi-major axis 0.1540 AU
- Equilibrium temperature 755 K (482 °C)
- Distance from Earth 4,872.61 light-years
- Earth Similarity Index 0.359
- Travel time at Voyager 1 speed 85,928,430 years
2 siblings around Kepler-372
Kepler-372 c 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-372 b | Super-Earth | 1.36 | 2.42 | 6.850 | 1,081 | 2014 |
| Kepler-372 c this | Sub-Neptune | 2.09 | 5.02 | 20.054 | 755 | 2014 |
| Kepler-372 d | Super-Earth | 1.69 | 3.50 | 30.093 | 660 | 2014 |
Kepler-372 c Planet Profile
Physical Specs
Classification
Planet Type
Sub-Neptune
Discovery
Size rank in cohort
Rank by radius
#1832of 1978
top 92.6%
This planet
2.09R⊕
Sub-Neptune median
2.71R⊕
Nearest-size peers
| Metric | Earth | Kepler-372 c | Jupiter |
|---|---|---|---|
| Radius (R⊕) | 1.00 | 2.09 | 11.21 |
| Mass (M⊕) | 1.00 | 5.02 | 317.83 |
| Density (g/cm³) | 5.51 | 3.02 | 1.33 |
| Surface Gravity (g) | 1.00 | 1.15 | 2.53 |
| Insolation (S⊕) | 1.00 | 91.88 | 0.037 |
Star Catalogue Identifiers
TIC
TIC 350810559
Gaia DR2
Gaia DR2 2129931942027348608
Gaia DR3
Gaia DR3 2129931942027348608
System
Kepler-372
Percentile among Sub-Neptune cohort
Orbit & Habitability
Orbital Dynamics
Year Length
A year here lasts approximately 20.05 Earth days (5.5% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.1540 AU.
Transit Fingerprint
Depth
0.031 %
Duration
6.031 h
Impact parameter b
0.230
Rp / R★
0.017590
Transit midpoint (BJD)
2,454,969.5804
Photometric dip
Transit produces a flux drop of 305 ppm lasting ≈ 6.03 h.
Extended Orbital Architecture
Planet / star radius ratio
0.017590
Semi-major axis / stellar radius
17.700
Impact parameter (b)
0.230
Transit mid-time (BJD)
2,454,969.5804
Angular separation (arcsec)
0.10300
Eq. Temperature
755K
(482 °C)
Insolation (S⊕)
91.88
Earth = 1.00
Earth Similarity (ESI)
0.359
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-372
Spectral Class
F-type yellow-white
Effective Temperature
6,509 K — hotter than the Sun (5,778 K)
Estimated Age
2.35 Gyr — younger than the Sun (4.6 Gyr)
Stellar Radius
1.137 R☉
Stellar Mass
1.202 M☉
Metallicity [Fe/H]
-0.13
Extended Stellar Properties
Surface gravity (log g)
4.405 dex
Stellar density
0.540 g/cm³
Metallicity ratio
[Fe/H]
Multi-band Host Photometry — 16 bands
Astrometric Data
Parallax
0.641 mas
Total Proper Motion
10.055 mas/yr
PM Right Ascension
2.76 mas/yr
PM Declination
-9.67 mas/yr
Galactic Cartesian (pc)
x = 0.237 · y = -0.608 · z = 0.758
Equatorial (J2000)
RA 291.25623° · Dec 49.25893°
Galactic ℓ, b
80.960° · 15.110°
Ecliptic λ, β
312.667° · 69.568°
HTM-20 index
834675868
Similar Worlds
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Sub-Neptune · F-type yellow-white
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Kepler-1823 b
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Kepler-360 c
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Kepler-1613 b
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Kepler-645 b
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Kepler-1580 b
Sub-Neptune · F-type yellow-white
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