Discovery Method
Transit
Consistent across records
←Back to Exoplanets
ExoplanetDetail
HIP 41378 d
Host star HIP 41378 • 3.54 R⊕ • 278.4 d orbit
Records
5
archive rows
Discovery
2016
Transit
Radius
3.54 R⊕
default parameter set
Mass
4.60 M⊕
default parameter set
HIP 41378
367 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: Howard et al. 2025
Host Star
HIP 41378
Stable across source rows
Discovery Year
2016
Stable across source rows
Orbital Period
278.4 day
48.10 to 1114
Radius
3.54 Rearth
3.54 to 3.96
Mass
4.60 Mearth
single adopted value
Density
0.56 g/cm**3
single adopted value
Equilibrium Temperature
367 K
single adopted value
Scale Comparison
Radius against familiar reference worlds
Current adopted radius: 3.54 R⊕ • circles scaled linearly by radius
Earth
1.0 R⊕ baseline
HIP 41378 d
3.54 R⊕
Jupiter
11.2 R⊕ reference
Provenance
Underlying measurements and references
Evidence Summary
Rows
5
Refs
5
Methods
1
Discoverystable
Facilitystable
Perioddisputed
Radiusdisputed
Massstable
Eq. Tempstable
| Year | Method | Facility | Telescope | Period | Radius | Mass | Eq. Temp | Reference |
|---|---|---|---|---|---|---|---|---|
| 2016 | Transit | K2 | 0.95 m Kepler Telescope | 156 day | 3.96 Rearth | — | — | Vanderburg et al. 2016 |
| 2016 | Transit | K2 | 0.95 m Kepler Telescope | 48.10 day | — | — | — | Becker et al. 2019 |
| 2016 | Transit | K2 | 0.95 m Kepler Telescope | 278.4 day | — | — | — | Grouffal et al. 2022 |
| 2016 | Transit | K2 | 0.95 m Kepler Telescope | 278.4 day | 3.54 Rearth | 4.60 Mearth | 367 K | Howard et al. 2025 |
| 2016 | Transit | K2 | 0.95 m Kepler Telescope | 1114 day | — | — | — | Berardo et al. 2019 |