Key parameters at a glance
- A radius of 1.89 Earth radii
- A mass of 4.23 Earth masses
- Surface gravity around 1.18 g
- An orbital period of 34.763 days
- Semi-major axis 0.2000 AU
- Equilibrium temperature 554 K (281 °C)
- Distance from Earth 2,652.27 light-years
- Earth Similarity Index 0.501
- Travel time at Voyager 1 speed 46,772,858 years
Context from the literature
Kepler-371b is a confirmed Super-Earth sized exoplanet, orbiting around the G-type star Kepler-371 every 35 days about 2,700 light-years away from Earth.
Excerpted from Wikipedia · full article
1 sibling around Kepler-371
Kepler-371 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-371 b this | Super-Earth | 1.89 | 4.23 | 34.763 | 554 | 2014 |
| Kepler-371 c | Super-Earth | 1.78 | 3.82 | 67.968 | 443 | 2014 |
Kepler-371 b Planet Profile
Physical Specs
Classification
Planet Type
Super-Earth
Discovery
Size rank in cohort
Rank by radius
#143of 1176
top 12.1%
This planet
1.89R⊕
Super-Earth median
1.60R⊕
Nearest-size peers
| Metric | Earth | Kepler-371 b | Jupiter |
|---|---|---|---|
| Radius (R⊕) | 1.00 | 1.89 | 11.21 |
| Mass (M⊕) | 1.00 | 4.23 | 317.83 |
| Density (g/cm³) | 5.51 | 3.44 | 1.33 |
| Surface Gravity (g) | 1.00 | 1.18 | 2.53 |
| Insolation (S⊕) | 1.00 | 41.74 | 0.037 |
Star Catalogue Identifiers
TIC
TIC 137550286
Gaia DR2
Gaia DR2 2052702348375966208
Gaia DR3
Gaia DR3 2052702348375966208
System
Kepler-371
Percentile among Super-Earth cohort
Orbit & Habitability
Orbital Dynamics
Year Length
A year here lasts approximately 34.76 Earth days (9.5% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.2000 AU.
Transit Fingerprint
Depth
0.029 %
Duration
4.174 h
Impact parameter b
0.620
Rp / R★
0.016763
Transit midpoint (BJD)
2,454,994.7349
Photometric dip
Transit produces a flux drop of 294 ppm lasting ≈ 4.17 h.
Extended Orbital Architecture
Planet / star radius ratio
0.016763
Semi-major axis / stellar radius
43.000
Impact parameter (b)
0.620
Transit mid-time (BJD)
2,454,994.7349
Angular separation (arcsec)
0.24600
Eq. Temperature
554K
(281 °C)
Insolation (S⊕)
41.74
Earth = 1.00
Earth Similarity (ESI)
0.501
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-371
Spectral Class
G-type yellow (Sun-like)
Effective Temperature
5,666 K — cooler than the Sun (5,778 K)
Estimated Age
12.88 Gyr — older than the Sun (4.6 Gyr)
Stellar Radius
0.992 R☉
Stellar Mass
0.876 M☉
Metallicity [Fe/H]
-0.20
Extended Stellar Properties
Surface gravity (log g)
4.390 dex
Stellar density
0.450 g/cm³
Metallicity ratio
[M/H]
Multi-band Host Photometry — 16 bands
Astrometric Data
Parallax
1.201 mas
Total Proper Motion
8.132 mas/yr
PM Right Ascension
3.52 mas/yr
PM Declination
-7.33 mas/yr
Galactic Cartesian (pc)
x = 0.297 · y = -0.722 · z = 0.625
Equatorial (J2000)
RA 292.32648° · Dec 38.65754°
Galactic ℓ, b
71.515° · 9.818°
Ecliptic λ, β
305.602° · 59.368°
HTM-20 index
1169185886
Similar Worlds
Kepler-1986 b
Super-Earth · G-type yellow (Sun-like)
Radius 1.89 R⊕ · 2,974.8 ly
K2-13 b
Super-Earth · G-type yellow (Sun-like)
Radius 1.89 R⊕ · 1,116.7 ly
Kepler-1534 b
Super-Earth · G-type yellow (Sun-like)
Radius 1.89 R⊕ · 3,610.5 ly
Kepler-171 d
Super-Earth · G-type yellow (Sun-like)
Radius 1.89 R⊕ · 2,817.5 ly
Kepler-399 d
Super-Earth · G-type yellow (Sun-like)
Radius 1.89 R⊕ · 2,415.3 ly
Kepler-1917 b
Super-Earth · G-type yellow (Sun-like)
Radius 1.89 R⊕ · 2,964.9 ly