Discovery Method
Transit
Consistent across records
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ExoplanetDetail
GJ 3090 b
Host star GJ 3090 • 2.18 R⊕ • 2.85 d orbit
Records
4
archive rows
Discovery
2022
Transit
Radius
2.18 R⊕
default parameter set
Mass
4.52 M⊕
default parameter set
GJ 3090
723 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: Lamontagne et al. 2026
Host Star
GJ 3090
Stable across source rows
Discovery Year
2022
Stable across source rows
Orbital Period
2.85 day
2.85 to 2.85
Semi-Major Axis
0.03 au
0.03 to 0.03
Radius
2.18 Rearth
2.11 to 2.18
Mass
4.52 Mearth
3.34 to 4.52
Density
2.40 g/cm**3
1.89 to 2.40
Equilibrium Temperature
723 K
650.2 to 723
Scale Comparison
Radius against familiar reference worlds
Current adopted radius: 2.18 R⊕ • circles scaled linearly by radius
Earth
1.0 R⊕ baseline
GJ 3090 b
2.18 R⊕
Jupiter
11.2 R⊕ reference
Provenance
Underlying measurements and references
Evidence Summary
Rows
4
Refs
4
Methods
1
Discoverystable
Facilitystable
Periodstable
Radiusdisputed
Massdisputed
Eq. Tempdisputed
| Year | Method | Facility | Telescope | Period | Radius | Mass | Eq. Temp | Reference |
|---|---|---|---|---|---|---|---|---|
| 2022 | Transit | Transiting Exoplanet Survey Satellite (TESS) | 0.1 m TESS Telescope | 2.85 day | 2.11 Rearth | — | 650.2 K | ExoFOP |
| 2022 | Transit | Transiting Exoplanet Survey Satellite (TESS) | 0.1 m TESS Telescope | 2.85 day | 2.13 Rearth | 3.34 Mearth | 693 K | Almenara et al. 2022 |
| 2022 | Transit | Transiting Exoplanet Survey Satellite (TESS) | 0.1 m TESS Telescope | 2.85 day | 2.18 Rearth | 4.52 Mearth | 723 K | Lamontagne et al. 2026 |
| 2022 | Transit | Transiting Exoplanet Survey Satellite (TESS) | 0.1 m TESS Telescope | — | — | — | — | Ahrer et al. 2025 |