Key parameters at a glance
- A radius of 1.59 Earth radii
- A mass of 3.15 Earth masses
- Surface gravity around 1.25 g
- An orbital period of 10.222 days
- Semi-major axis 0.0900 AU
- Equilibrium temperature 806 K (533 °C)
- Distance from Earth 2,171.91 light-years
- Earth Similarity Index 0.368
- Travel time at Voyager 1 speed 38,301,665 years
1 sibling around Kepler-200
Kepler-200 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-200 b | Sub-Neptune | 2.13 | 5.18 | 8.595 | 854 | 2014 |
| Kepler-200 c this | Super-Earth | 1.59 | 3.15 | 10.222 | 806 | 2014 |
Kepler-200 c Planet Profile
Physical Specs
Classification
Planet Type
Super-Earth
Discovery
Size rank in cohort
Rank by radius
#588of 1176
top 49.9%
This planet
1.59R⊕
Super-Earth median
1.60R⊕
Nearest-size peers
| Metric | Earth | Kepler-200 c | Jupiter |
|---|---|---|---|
| Radius (R⊕) | 1.00 | 1.59 | 11.21 |
| Mass (M⊕) | 1.00 | 3.15 | 317.83 |
| Density (g/cm³) | 5.51 | 4.31 | 1.33 |
| Surface Gravity (g) | 1.00 | 1.25 | 2.53 |
| Insolation (S⊕) | 1.00 | 126.36 | 0.037 |
Star Catalogue Identifiers
TIC
TIC 120252452
Gaia DR2
Gaia DR2 2103671481186902912
Gaia DR3
Gaia DR3 2103671481186902912
System
Kepler-200
Percentile among Super-Earth cohort
Orbit & Habitability
Orbital Dynamics
Year Length
A year here lasts approximately 10.22 Earth days (2.8% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.0900 AU.
Transit Fingerprint
Depth
0.024 %
Duration
1.110 h
Impact parameter b
0.740
Rp / R★
0.014262
Transit midpoint (BJD)
2,454,968.8906
Photometric dip
Transit produces a flux drop of 238 ppm lasting ≈ 1.11 h.
Extended Orbital Architecture
Planet / star radius ratio
0.014262
Semi-major axis / stellar radius
16.900
Impact parameter (b)
0.740
Transit mid-time (BJD)
2,454,968.8906
Angular separation (arcsec)
0.13500
Eq. Temperature
806K
(533 °C)
Insolation (S⊕)
126.36
Earth = 1.00
Earth Similarity (ESI)
0.368
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-200
Spectral Class
G-type yellow (Sun-like)
Effective Temperature
5,678 K — cooler than the Sun (5,778 K)
Estimated Age
6.30 Gyr — older than the Sun (4.6 Gyr)
Stellar Radius
0.944 R☉
Stellar Mass
0.972 M☉
Metallicity [Fe/H]
-0.01
Extended Stellar Properties
Surface gravity (log g)
4.454 dex
Stellar density
1.080 g/cm³
Metallicity ratio
[M/H]
Multi-band Host Photometry — 16 bands
Astrometric Data
Parallax
1.473 mas
Total Proper Motion
9.498 mas/yr
PM Right Ascension
5.52 mas/yr
PM Declination
7.73 mas/yr
Galactic Cartesian (pc)
x = 0.187 · y = -0.728 · z = 0.659
Equatorial (J2000)
RA 284.40995° · Dec 41.23749°
Galactic ℓ, b
71.339° · 16.408°
Ecliptic λ, β
294.741° · 63.444°
HTM-20 index
1887743735
Similar Worlds
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Kepler-256 b
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K2-291 b
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Radius 1.59 R⊕ · 293.7 ly