Key parameters at a glance
- A radius of 1.78 Earth radii
- A mass of 3.82 Earth masses
- Surface gravity around 1.21 g
- An orbital period of 67.968 days
- Semi-major axis 0.3130 AU
- Equilibrium temperature 443 K (170 °C)
- Distance from Earth 2,652.27 light-years
- Earth Similarity Index 0.623
- Travel time at Voyager 1 speed 46,772,858 years
Context from the literature
Kepler-371c is a confirmed Super-Earth sized exoplanet. Orbiting around the F-type star Kepler-371 every 68 days about 1914 ly away from the Earth. It is a member of the multi planetary system of Kepler-371.
Excerpted from Wikipedia · full article
1 sibling around Kepler-371
Kepler-371 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-371 b | Super-Earth | 1.89 | 4.23 | 34.763 | 554 | 2014 |
| Kepler-371 c this | Super-Earth | 1.78 | 3.82 | 67.968 | 443 | 2014 |
Kepler-371 c Planet Profile
Physical Specs
Classification
Planet Type
Super-Earth
Discovery
Size rank in cohort
Rank by radius
#282of 1176
top 23.9%
This planet
1.78R⊕
Super-Earth median
1.60R⊕
Nearest-size peers
| Metric | Earth | Kepler-371 c | Jupiter |
|---|---|---|---|
| Radius (R⊕) | 1.00 | 1.78 | 11.21 |
| Mass (M⊕) | 1.00 | 3.82 | 317.83 |
| Density (g/cm³) | 5.51 | 3.72 | 1.33 |
| Surface Gravity (g) | 1.00 | 1.21 | 2.53 |
| Insolation (S⊕) | 1.00 | 17.06 | 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 67.97 Earth days (18.6% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.3130 AU.
Transit Fingerprint
Depth
0.032 %
Duration
7.802 h
Impact parameter b
0.100
Rp / R★
0.016483
Transit midpoint (BJD)
2,454,996.5629
Photometric dip
Transit produces a flux drop of 322 ppm lasting ≈ 7.80 h.
Extended Orbital Architecture
Planet / star radius ratio
0.016483
Semi-major axis / stellar radius
66.120
Impact parameter (b)
0.100
Transit mid-time (BJD)
2,454,996.5629
Angular separation (arcsec)
0.38500
Eq. Temperature
443K
(170 °C)
Insolation (S⊕)
17.06
Earth = 1.00
Earth Similarity (ESI)
0.623
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-881 b
Super-Earth · G-type yellow (Sun-like)
Radius 1.78 R⊕ · 4,485.2 ly
Kepler-850 b
Super-Earth · G-type yellow (Sun-like)
Radius 1.78 R⊕ · 5,418.4 ly
Kepler-1645 b
Super-Earth · G-type yellow (Sun-like)
Radius 1.78 R⊕ · 3,921.9 ly
Kepler-85 b
Super-Earth · G-type yellow (Sun-like)
Radius 1.78 R⊕ · 2,495.2 ly
Kepler-20 b
Super-Earth · G-type yellow (Sun-like)
Radius 1.77 R⊕ · 921.6 ly
Kepler-272 c
Super-Earth · G-type yellow (Sun-like)
Radius 1.79 R⊕ · 2,901.5 ly