Discovery Method
Transit
Consistent across records
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ExoplanetDetail
V1298 Tau c
Host star V1298 Tau • 5.08 R⊕ • 8.25 d orbit
Records
5
archive rows
Discovery
2019
Transit
Radius
5.08 R⊕
default parameter set
Mass
4.70 M⊕
default parameter set
V1298 Tau
953 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: Livingston et al. 2026
Host Star
V1298 Tau
Stable across source rows
Discovery Year
2019
Stable across source rows
Orbital Period
8.25 day
8.24 to 8.25
Semi-Major Axis
0.08 au
0.08 to 0.08
Radius
5.08 Rearth
5.05 to 5.59
Mass
4.70 Mearth
4.70 to 76.28
Density
0.20 g/cm**3
0.20 to 3.50
Equilibrium Temperature
953 K
953 to 968
Scale Comparison
Radius against familiar reference worlds
Current adopted radius: 5.08 R⊕ • circles scaled linearly by radius
Earth
1.0 R⊕ baseline
V1298 Tau c
5.08 R⊕
Jupiter
11.2 R⊕ reference
Provenance
Underlying measurements and references
Evidence Summary
Rows
5
Refs
5
Methods
1
Discoverystable
Facilitystable
Perioddisputed
Radiusdisputed
Massdisputed
Eq. Tempdisputed
| Year | Method | Facility | Telescope | Period | Radius | Mass | Eq. Temp | Reference |
|---|---|---|---|---|---|---|---|---|
| 2019 | Transit | K2 | 0.95 m Kepler Telescope | 8.25 day | 5.59 Rearth | — | 968 K | David et al. 2019 |
| 2019 | Transit | K2 | 0.95 m Kepler Telescope | 8.24 day | 5.05 Rearth | — | — | Feinstein et al. 2022 |
| 2019 | Transit | K2 | 0.95 m Kepler Telescope | 8.25 day | 5.16 Rearth | 76.28 Mearth | — | Suárez Mascareño et al. 2022 |
| 2019 | Transit | K2 | 0.95 m Kepler Telescope | 8.25 day | 5.08 Rearth | 4.70 Mearth | 953 K | Livingston et al. 2026 |
| 2019 | Transit | K2 | 0.95 m Kepler Telescope | 8.25 day | — | — | — | Feinstein et al. 2021 |