Discovery Method
Transit
Consistent across records
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ExoplanetDetail
NGTS-2 b
Host star NGTS-2 • 17.88 R⊕ • 4.51 d orbit
Records
5
archive rows
Discovery
2018
Transit
Radius
17.88 R⊕
default parameter set
Mass
235.2 M⊕
default parameter set
NGTS-2
1468 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: Raynard et al. 2018
Host Star
NGTS-2
Stable across source rows
Discovery Year
2018
Stable across source rows
Orbital Period
4.51 day
4.51 to 4.51
Semi-Major Axis
0.06 au
single adopted value
Radius
17.88 Rearth
17.88 to 18.55
Mass
235.2 Mearth
single adopted value
Density
0.23 g/cm**3
single adopted value
Equilibrium Temperature
1468 K
1468 to 1599
Scale Comparison
Radius against familiar reference worlds
Current adopted radius: 17.88 R⊕ • circles scaled linearly by radius
Earth
1.0 R⊕ baseline
NGTS-2 b
17.88 R⊕
Jupiter
11.2 R⊕ reference
Provenance
Underlying measurements and references
Evidence Summary
Rows
5
Refs
5
Methods
1
Discoverystable
Facilitystable
Periodstable
Radiusdisputed
Massstable
Eq. Tempdisputed
| Year | Method | Facility | Telescope | Period | Radius | Mass | Eq. Temp | Reference |
|---|---|---|---|---|---|---|---|---|
| 2018 | Transit | Next-Generation Transit Survey (NGTS) | 20 cm NGTS telescope | 4.51 day | 18.55 Rearth | — | 1599 K | ExoFOP |
| 2018 | Transit | Next-Generation Transit Survey (NGTS) | 20 cm NGTS telescope | 4.51 day | — | — | — | Ivshina & Winn 2022 |
| 2018 | Transit | Next-Generation Transit Survey (NGTS) | 20 cm NGTS telescope | — | — | — | — | Fairman et al. 2026 |
| 2018 | Transit | Next-Generation Transit Survey (NGTS) | 20 cm NGTS telescope | 4.51 day | 17.88 Rearth | 235.2 Mearth | 1468 K | Raynard et al. 2018 |
| 2018 | Transit | Next-Generation Transit Survey (NGTS) | 20 cm NGTS telescope | 4.51 day | — | — | — | Kokori et al. 2023 |