Discovery Method
Transit
Consistent across records
←Back to Exoplanets
ExoplanetDetail
NGTS-31 b
Host star NGTS-31 • 18.05 R⊕ • 4.16 d orbit
Records
2
archive rows
Discovery
2025
Transit
Radius
18.05 R⊕
default parameter set
Mass
356.0 M⊕
default parameter set
NGTS-31
1410 K equilibrium
Canonical Summary
Adopted planet values from the default parameter set
Values come from the archive's default parameter set. Missing values stay missing. Ranges and counts describe all source rows.
Selected source: Vines et al. 2025
Host Star
NGTS-31
Stable across source rows
Discovery Year
2025
Stable across source rows
Orbital Period
4.16 day
4.16 to 4.16
Semi-Major Axis
0.06 au
single adopted value
Radius
18.05 Rearth
11.11 to 18.05
Mass
356.0 Mearth
single adopted value
Density
0.30 g/cm**3
single adopted value
Equilibrium Temperature
1410 K
1265 to 1410
Scale Comparison
Radius against familiar reference worlds
Current adopted radius: 18.05 R⊕ • circles scaled linearly by radius
Earth
1.0 R⊕ baseline
NGTS-31 b
18.05 R⊕
Jupiter
11.2 R⊕ reference
Provenance
Underlying measurements and references
Evidence Summary
Rows
2
Refs
2
Methods
1
Discoverystable
Facilitystable
Periodstable
Radiusdisputed
Massstable
Eq. Tempdisputed
| Year | Method | Facility | Telescope | Period | Radius | Mass | Eq. Temp | Reference |
|---|---|---|---|---|---|---|---|---|
| 2025 | Transit | Transiting Exoplanet Survey Satellite (TESS) | 0.1 m TESS Telescope | 4.16 day | 11.11 Rearth | — | 1265 K | ExoFOP |
| 2025 | Transit | Transiting Exoplanet Survey Satellite (TESS) | 0.1 m TESS Telescope | 4.16 day | 18.05 Rearth | 356.0 Mearth | 1410 K | Vines et al. 2025 |