Discovery Method
Radial Velocity
Consistent across records
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ExoplanetDetail
GJ 3378 b
Host star GJ 3378 • 21.45 d orbit
Records
2
archive rows
Discovery
2026
Radial Velocity
Radius
—
default parameter set
Mass
2.30 M⊕
default parameter set
GJ 3378
272 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: Robertson et al. 2026
Host Star
GJ 3378
Stable across source rows
Discovery Year
2026
Stable across source rows
Orbital Period
21.45 day
21.45 to 24.73
Semi-Major Axis
0.10 au
0.10 to 0.11
Mass
2.30 Mearth
2.30 to 5.26
Equilibrium Temperature
272 K
260 to 272
Provenance
Underlying measurements and references
Evidence Summary
Rows
2
Refs
2
Methods
1
Discoverystable
Facilitystable
Perioddisputed
Massdisputed
Eq. Tempdisputed
| Year | Method | Facility | Telescope | Period | Radius | Mass | Eq. Temp | Reference |
|---|---|---|---|---|---|---|---|---|
| 2026 | Radial Velocity | Mauna Kea Observatory | 3.58 m Canada-France-Hawaii Telescope (CFHT) | 24.73 day | — | 5.26 Mearth | 260 K | Moutou et al. 2024 |
| 2026 | Radial Velocity | Mauna Kea Observatory | 3.58 m Canada-France-Hawaii Telescope (CFHT) | 21.45 day | — | 2.30 Mearth | 272 K | Robertson et al. 2026 |