Key parameters at a glance
- A radius of 10.87 Earth radii
- A mass of 874.00 Earth masses
- Surface gravity around 7.40 g
- An orbital period of 13.241 days
- Semi-major axis 0.1055 AU
- Equilibrium temperature 600 K (327 °C)
- Distance from Earth 1,103.67 light-years
- Earth Similarity Index 0.302
- Travel time at Voyager 1 speed 19,463,153 years
- Almost certainly tidally locked to its host star given the close orbit
CoRoT-10 b Planet Profile
Physical Specs
Classification
Planet Type
Gas Giant
Discovery
Size rank in cohort
Rank by radius
#1681of 1771
top 94.9%
This planet
10.87R⊕
Gas Giant median
13.52R⊕
Nearest-size peers
| Metric | Earth | CoRoT-10 b | Jupiter |
|---|---|---|---|
| Radius (R⊕) | 1.00 | 10.87 | 11.21 |
| Mass (M⊕) | 1.00 | 874.00 | 317.83 |
| Density (g/cm³) | 5.51 | 3.70 | 1.33 |
| Surface Gravity (g) | 1.00 | 7.40 | 2.53 |
| Insolation (S⊕) | 1.00 | 16.11 | 0.037 |
Alternative Mass Estimates
| Method | Value | Interpretation |
|---|---|---|
| Best measured mass | 874.000 M⊕ | Direct mass measurement (not derived). |
Star Catalogue Identifiers
TIC
TIC 405010127
Gaia DR2
Gaia DR2 4263752921128319616
Gaia DR3
Gaia DR3 4263752921128319616
System
CoRoT-10
Percentile among Gas Giant cohort
Orbit & Habitability
Orbital Dynamics
Year Length
A year here lasts approximately 13.24 Earth days (3.6% of a terrestrial year) on a highly eccentric trajectory at a mean orbital distance of 0.1055 AU.
Transit Fingerprint
Depth
1.610 %
Duration
2.980 h
Impact parameter b
0.850
Rp / R★
0.126900
Transit midpoint (BJD)
2,454,273.3436
Photometric dip
Transit produces a flux drop of 16,104 ppm lasting ≈ 2.98 h.
Extended Orbital Architecture
Planet / star radius ratio
0.126900
Semi-major axis / stellar radius
31.330
Impact parameter (b)
0.850
RV semi-amplitude (K)
301.000 m/s
Transit mid-time (BJD)
2,454,273.3436
Long. of periastron (ω)
218.90°
Angular separation (arcsec)
0.31200
Eq. Temperature
600K
(327 °C)
Insolation (S⊕)
16.11
Earth = 1.00
Earth Similarity (ESI)
0.302
0 = alien, 1 = Earth-identical
Inside the inner HZ boundary (too hot for liquid water) — the surface is too hot to retain surface water. Close-orbiting tidally-locked around a cool host.
Detection Signatures
Transit photometry
A transit dip has been observed from at least one telescope.
Radial velocity
Stellar wobble has been measured spectroscopically.
Discovery Paper
Primary reference
Bonomo et al. 2010Instrument
CoRoT CCD Array
Publication
2010-09
Observation locale
Space
Discovery cohort
Planets confirmed in 2010 at CoRoT (5 shown).
Host System: CoRoT-10
Spectral Class
K-type orange
Effective Temperature
5,075 K — cooler than the Sun (5,778 K)
Estimated Age
3.00 Gyr — younger than the Sun (4.6 Gyr)
Stellar Radius
0.790 R☉
Stellar Mass
0.890 M☉
Metallicity [Fe/H]
0.26
Extended Stellar Properties
Surface gravity (log g)
4.650 dex
Stellar density
3.320 g/cm³
Systemic radial velocity
15.33 km/s
Rotational v·sin i
2.00 km/s
Metallicity ratio
[Fe/H]
Multi-band Host Photometry — 13 bands
Astrometric Data
Parallax
2.927 mas
Total Proper Motion
22.959 mas/yr
PM Right Ascension
-3.20 mas/yr
PM Declination
-22.74 mas/yr
Galactic Cartesian (pc)
x = 0.359 · y = -0.933 · z = 0.013
Equatorial (J2000)
RA 291.06368° · Dec 0.74601°
Galactic ℓ, b
37.361° · -6.953°
Ecliptic λ, β
292.892° · 22.527°
HTM-20 index
1007439110
Similar Worlds
NGTS-35 b
Gas Giant · K-type orange
Radius 10.90 R⊕ · 597.1 ly
TOI-2202 b
Gas Giant · K-type orange
Radius 10.95 R⊕ · 769.5 ly
WASP-23 b
Gas Giant · K-type orange
Radius 10.78 R⊕ · 676.7 ly
TOI-5616 b
Gas Giant · K-type orange
Radius 10.78 R⊕ · 1,273.4 ly
Kepler-425 b
Gas Giant · K-type orange
Radius 10.96 R⊕ · 2,109.1 ly
WASP-105 b
Gas Giant · K-type orange
Radius 10.76 R⊕ · 552.1 ly