Key parameters at a glance
- A radius of 2.47 Earth radii
- A mass of 6.68 Earth masses
- Surface gravity around 1.09 g
- An orbital period of 84.840 days
- Semi-major axis 0.3405 AU
- Equilibrium temperature 314 K (40 °C)
- Distance from Earth 191.20 light-years
- Earth Similarity Index 0.726
- Travel time at Voyager 1 speed 3,371,751 years
2 siblings around TOI-712
TOI-712 d shares its host star with 2 other confirmed planets. Side-by-side measurements below.
TOI-712 d Planet Profile
Physical Specs
Classification
Planet Type
Sub-Neptune
Discovery
Size rank in cohort
Rank by radius
#1225of 1978
top 61.9%
This planet
2.47R⊕
Sub-Neptune median
2.71R⊕
Nearest-size peers
| Metric | Earth | TOI-712 d | Jupiter |
|---|---|---|---|
| Radius (R⊕) | 1.00 | 2.47 | 11.21 |
| Mass (M⊕) | 1.00 | 6.68 | 317.83 |
| Density (g/cm³) | 5.51 | 2.42 | 1.33 |
| Surface Gravity (g) | 1.00 | 1.09 | 2.53 |
| Insolation (S⊕) | 1.00 | 1.60 | 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 84.84 Earth days (23.2% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.3405 AU.
Transit Fingerprint
Depth
0.113 %
Duration
5.702 h
Impact parameter b
0.340
Rp / R★
0.033620
Transit midpoint (BJD)
2,458,640.5457
Photometric dip
Transit produces a flux drop of 1,130 ppm lasting ≈ 5.70 h.
Extended Orbital Architecture
Planet / star radius ratio
0.033620
Impact parameter (b)
0.340
Transit mid-time (BJD)
2,458,640.5457
Long. of periastron (ω)
30.00°
Angular separation (arcsec)
5.81000
Eq. Temperature
314K
(40 °C)
Insolation (S⊕)
1.60
Earth = 1.00
Earth Similarity (ESI)
0.726
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
TOI-1301.01
Sub-Neptune · K-type orange
Radius 2.48 R⊕ · 296.4 ly
Kepler-306 d
Sub-Neptune · K-type orange
Radius 2.47 R⊕ · 2,529.9 ly
HIP 116454 b
Sub-Neptune · K-type orange
Radius 2.47 R⊕ · 203.7 ly
K2-285 d
Sub-Neptune · K-type orange
Radius 2.48 R⊕ · 505.4 ly
Kepler-1030 b
Sub-Neptune · K-type orange
Radius 2.48 R⊕ · 2,474.6 ly
HIP 97166 b
Sub-Neptune · K-type orange
Radius 2.48 R⊕ · 215.1 ly