Key parameters at a glance
- A radius of 2.65 Earth radii
- A mass of 7.51 Earth masses
- Surface gravity around 1.07 g
- An orbital period of 19.986 days
- Semi-major axis 0.1410 AU
- Equilibrium temperature 720 K (447 °C)
- Distance from Earth 4,040.45 light-years
- Earth Similarity Index 0.344
- Travel time at Voyager 1 speed 71,253,387 years
1 sibling around Kepler-375
Kepler-375 c 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-375 b | Super-Earth | 1.45 | 2.70 | 12.126 | 851 | 2014 |
| Kepler-375 c this | Sub-Neptune | 2.65 | 7.51 | 19.986 | 720 | 2014 |
Kepler-375 c Planet Profile
Physical Specs
Classification
Planet Type
Sub-Neptune
Discovery
Size rank in cohort
Rank by radius
#946of 1978
top 47.8%
This planet
2.65R⊕
Sub-Neptune median
2.71R⊕
Nearest-size peers
| Metric | Earth | Kepler-375 c | Jupiter |
|---|---|---|---|
| Radius (R⊕) | 1.00 | 2.65 | 11.21 |
| Mass (M⊕) | 1.00 | 7.51 | 317.83 |
| Density (g/cm³) | 5.51 | 2.22 | 1.33 |
| Surface Gravity (g) | 1.00 | 1.07 | 2.53 |
| Insolation (S⊕) | 1.00 | 33.15 | 0.037 |
Star Catalogue Identifiers
TIC
TIC 299032517
Gaia DR2
Gaia DR2 2130963696251416960
Gaia DR3
Gaia DR3 2130963696251416960
System
Kepler-375
Percentile among Sub-Neptune cohort
Orbit & Habitability
Orbital Dynamics
Year Length
A year here lasts approximately 19.99 Earth days (5.5% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.1410 AU.
Transit Fingerprint
Depth
0.065 %
Duration
3.810 h
Impact parameter b
0.930
Rp / R★
0.031886
Transit midpoint (BJD)
2,454,968.5234
Photometric dip
Transit produces a flux drop of 648 ppm lasting ≈ 3.81 h.
Extended Orbital Architecture
Planet / star radius ratio
0.031886
Semi-major axis / stellar radius
12.990
Impact parameter (b)
0.930
Transit mid-time (BJD)
2,454,968.5234
Angular separation (arcsec)
0.11400
Eq. Temperature
720K
(447 °C)
Insolation (S⊕)
33.15
Earth = 1.00
Earth Similarity (ESI)
0.344
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-375
Spectral Class
G-type yellow (Sun-like)
Effective Temperature
5,826 K — hotter than the Sun (5,778 K)
Estimated Age
0.40 Gyr — younger than the Sun (4.6 Gyr)
Stellar Radius
0.837 R☉
Stellar Mass
0.891 M☉
Metallicity [Fe/H]
-0.04
Extended Stellar Properties
Surface gravity (log g)
4.567 dex
Stellar density
1.370 g/cm³
Metallicity ratio
[Fe/H]
Multi-band Host Photometry — 16 bands
Astrometric Data
Parallax
0.779 mas
Total Proper Motion
5.774 mas/yr
PM Right Ascension
-1.02 mas/yr
PM Declination
-5.68 mas/yr
Galactic Cartesian (pc)
x = 0.213 · y = -0.633 · z = 0.744
Equatorial (J2000)
RA 288.61787° · Dec 48.09836°
Galactic ℓ, b
79.134° · 16.245°
Ecliptic λ, β
306.834° · 69.168°
HTM-20 index
270662148
Similar Worlds
Kepler-299 c
Sub-Neptune · G-type yellow (Sun-like)
Radius 2.65 R⊕ · 3,431.9 ly
Kepler-109 c
Sub-Neptune · G-type yellow (Sun-like)
Radius 2.65 R⊕ · 1,548.8 ly
Kepler-253 c
Sub-Neptune · G-type yellow (Sun-like)
Radius 2.65 R⊕ · 2,735.1 ly
Kepler-603 b
Sub-Neptune · G-type yellow (Sun-like)
Radius 2.65 R⊕ · 5,021.6 ly
Kepler-1924 b
Sub-Neptune · G-type yellow (Sun-like)
Radius 2.65 R⊕ · 6,232.1 ly
Kepler-1548 b
Sub-Neptune · G-type yellow (Sun-like)
Radius 2.64 R⊕ · 2,845.0 ly