Key parameters at a glance
- A radius of 13.30 Earth radii
- A mass of 692.00 Earth masses
- Surface gravity around 3.91 g
- An orbital period of 762.000 days
- Semi-major axis 1.5700 AU
- Equilibrium temperature 174 K (-99 °C)
- Distance from Earth 578.94 light-years
- Earth Similarity Index 0.322
- Travel time at Voyager 1 speed 10,209,605 years
3 siblings around TOI-4010
TOI-4010 e shares its host star with 3 other confirmed planets. Side-by-side measurements below.
| Planet | Type | Radius (R⊕) | Mass (M⊕) | Period (d) | Eq. T (K) | Year |
|---|---|---|---|---|---|---|
| TOI-4010 b | Sub-Neptune | 3.02 | 11.00 | 1.348 | 1,441 | 2023 |
| TOI-4010 c | Neptune-like | 5.93 | 20.31 | 5.415 | 907 | 2023 |
| TOI-4010 d | Neptune-like | 6.18 | 38.15 | 14.709 | 650 | 2023 |
| TOI-4010 e this | Gas Giant | 13.30 | 692.00 | 762.000 | 174 | 2023 |
TOI-4010 e Planet Profile
Physical Specs
Classification
Planet Type
Gas Giant
Discovery
Size rank in cohort
Rank by radius
#793of 1771
top 44.7%
This planet
13.30R⊕
Gas Giant median
13.52R⊕
Nearest-size peers
| Metric | Earth | TOI-4010 e | Jupiter |
|---|---|---|---|
| Radius (R⊕) | 1.00 | 13.30 | 11.21 |
| Mass (M⊕) | 1.00 | 692.00 | 317.83 |
| Density (g/cm³) | 5.51 | 1.62 | 1.33 |
| Surface Gravity (g) | 1.00 | 3.91 | 2.53 |
| Insolation (S⊕) | 1.00 | 0.15 | 0.037 |
Alternative Mass Estimates
| Method | Value | Interpretation |
|---|---|---|
| Minimum mass (M sin i) | 692.000 M⊕ | Lower bound from radial-velocity fitting. |
Star Catalogue Identifiers
TIC
TIC 352682207
Gaia DR2
Gaia DR2 525352325110310400
Gaia DR3
Gaia DR3 525352325110310400
System
TOI-4010
Percentile among Gas Giant cohort
Orbit & Habitability
Orbital Dynamics
Year Length
A year here lasts about 2.09 Earth years on a mildly elliptical path at a mean orbital distance of 1.5700 AU.
Extended Orbital Architecture
RV semi-amplitude (K)
54.700 m/s
Transit mid-time (BJD)
2,460,218.0000
Long. of periastron (ω)
138.00°
Angular separation (arcsec)
8.84000
Eq. Temperature
174K
(-99 °C)
Insolation (S⊕)
0.15
Earth = 1.00
Earth Similarity (ESI)
0.322
0 = alien, 1 = Earth-identical
Beyond the outer HZ boundary (too cold) — surface water would be frozen.
Discovery Paper
Primary reference
Kunimoto et al. 2023Instrument
HARPS-N Spectrograph
Publication
2023-07
Observation locale
Ground
Discovery cohort
Planets confirmed in 2023 at Roque de los Muchachos Observatory (7 shown).
Host System: TOI-4010
Spectral Class
K-type orange
Effective Temperature
4,960 K — cooler than the Sun (5,778 K)
Estimated Age
6.10 Gyr — older than the Sun (4.6 Gyr)
Stellar Radius
0.830 R☉
Stellar Mass
0.880 M☉
Metallicity [Fe/H]
0.37
Extended Stellar Properties
Surface gravity (log g)
4.540 dex
Stellar density
1.652 g/cm³
Rotational v·sin i
1.30 km/s
Rotation period
37.70 days
Activity index (log R'HK)
-4.900
Metallicity ratio
[Fe/H]
Multi-band Host Photometry — 11 bands
Astrometric Data
Parallax
5.605 mas
Total Proper Motion
43.662 mas/yr
PM Right Ascension
38.62 mas/yr
PM Declination
-20.38 mas/yr
Galactic Cartesian (pc)
x = 0.381 · y = 0.140 · z = 0.914
Equatorial (J2000)
RA 20.21482° · Dec 66.07220°
Galactic ℓ, b
125.913° · 3.371°
Ecliptic λ, β
52.281° · 51.525°
HTM-20 index
-1102041226
Similar Worlds
HD 94890 b
Gas Giant · K-type orange
Radius 13.30 R⊕ · 201.2 ly
NGC 2682 Sand 978 b
Gas Giant · K-type orange
Radius 13.30 R⊕ · 2,680.7 ly
HD 12661 b
Gas Giant · K-type orange
Radius 13.30 R⊕ · 123.4 ly
HD 108863 b
Gas Giant · K-type orange
Radius 13.30 R⊕ · 537.3 ly
Kepler-432 c
Gas Giant · K-type orange
Radius 13.30 R⊕ · 2,765.9 ly
HD 108341 b
Gas Giant · K-type orange
Radius 13.30 R⊕ · 159.5 ly