Key parameters at a glance
- A radius of 2.70 Earth radii
- A mass of 7.76 Earth masses
- Surface gravity around 1.06 g
- An orbital period of 51.699 days
- Semi-major axis 0.2447 AU
- Equilibrium temperature 370 K (97 °C)
- Distance from Earth 191.20 light-years
- Earth Similarity Index 0.619
- Travel time at Voyager 1 speed 3,371,751 years
2 siblings around TOI-712
TOI-712 c shares its host star with 2 other confirmed planets. Side-by-side measurements below.
TOI-712 c Planet Profile
Physical Specs
Classification
Planet Type
Sub-Neptune
Discovery
Size rank in cohort
Rank by radius
#864of 1978
top 43.6%
This planet
2.70R⊕
Sub-Neptune median
2.71R⊕
Nearest-size peers
| Metric | Earth | TOI-712 c | Jupiter |
|---|---|---|---|
| Radius (R⊕) | 1.00 | 2.70 | 11.21 |
| Mass (M⊕) | 1.00 | 7.76 | 317.83 |
| Density (g/cm³) | 5.51 | 2.16 | 1.33 |
| Surface Gravity (g) | 1.00 | 1.06 | 2.53 |
| Insolation (S⊕) | 1.00 | 3.08 | 0.037 |
Star Catalogue Identifiers
TIC
TIC 150151262
Gaia DR2
Gaia DR2 5284358990266469760
Gaia DR3
Gaia DR3 5284358990266469760
System
TOI-712
Percentile among Sub-Neptune cohort
Orbit & Habitability
Orbital Dynamics
Year Length
A year here lasts approximately 51.70 Earth days (14.2% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.2447 AU.
Transit Fingerprint
Depth
0.135 %
Duration
4.843 h
Impact parameter b
0.280
Rp / R★
0.036690
Transit midpoint (BJD)
2,458,946.3960
Photometric dip
Transit produces a flux drop of 1,346 ppm lasting ≈ 4.84 h.
Extended Orbital Architecture
Planet / star radius ratio
0.036690
Impact parameter (b)
0.280
Transit mid-time (BJD)
2,458,946.3960
Long. of periastron (ω)
115.00°
Angular separation (arcsec)
4.17000
Eq. Temperature
370K
(97 °C)
Insolation (S⊕)
3.08
Earth = 1.00
Earth Similarity (ESI)
0.619
0 = alien, 1 = Earth-identical
Inside the inner HZ boundary (too hot for liquid water) — liquid water is physically possible with adequate atmospheric pressure.
Discovery Paper
Primary reference
Vach et al. 2022Instrument
TESS CCD Array
Publication
2022-08
Observation locale
Space
Discovery cohort
Planets confirmed in 2022 at Transiting Exoplanet Survey Satellite (TESS) (12 shown).
Host System: TOI-712
Spectral Class
K-type orange
Effective Temperature
4,622 K — cooler than the Sun (5,778 K)
Estimated Age
0.83 Gyr — younger than the Sun (4.6 Gyr)
Stellar Radius
0.674 R☉
Stellar Mass
0.732 M☉
Metallicity [Fe/H]
-0.02
Extended Stellar Properties
Surface gravity (log g)
4.645 dex
Stellar density
3.360 g/cm³
Systemic radial velocity
3.16 km/s
Rotation period
12.45 days
Metallicity ratio
[Fe/H]
Multi-band Host Photometry — 11 bands
Astrometric Data
Parallax
17.030 mas
Total Proper Motion
31.141 mas/yr
PM Right Ascension
-2.93 mas/yr
PM Declination
31.00 mas/yr
Galactic Cartesian (pc)
x = -0.021 · y = 0.409 · z = -0.912
Equatorial (J2000)
RA 92.93611° · Dec -65.82584°
Galactic ℓ, b
275.579° · -28.607°
Ecliptic λ, β
149.544° · -88.606°
HTM-20 index
683509979
Similar Worlds
Kepler-1539 b
Sub-Neptune · K-type orange
Radius 2.70 R⊕ · 2,440.7 ly
Kepler-290 c
Sub-Neptune · K-type orange
Radius 2.70 R⊕ · 2,265.6 ly
TOI-178 d
Sub-Neptune · K-type orange
Radius 2.70 R⊕ · 204.5 ly
Kepler-48 c
Sub-Neptune · K-type orange
Radius 2.71 R⊕ · 1,000.4 ly
TOI-4504 b
Sub-Neptune · K-type orange
Radius 2.69 R⊕ · 1,117.4 ly
Kepler-417 c
Sub-Neptune · K-type orange
Radius 2.69 R⊕ · 3,176.7 ly