Discovery Method
Transit
Consistent across records
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ExoplanetDetail
LTT 3780 c
Host star LTT 3780 • 2.39 R⊕ • 12.25 d orbit
Records
7
archive rows
Discovery
2020
Transit
Radius
2.39 R⊕
default parameter set
Mass
8.04 M⊕
default parameter set
LTT 3780
359 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: Bonfanti et al. 2024
Host Star
LTT 3780
Stable across source rows
Discovery Year
2020
Stable across source rows
Orbital Period
12.25 day
12.25 to 12.25
Semi-Major Axis
0.08 au
0.08 to 0.08
Radius
2.39 Rearth
2.30 to 2.42
Mass
8.04 Mearth
6.29 to 8.60
Density
3.24 g/cm**3
2.45 to 3.90
Equilibrium Temperature
359 K
330.1 to 397
Scale Comparison
Radius against familiar reference worlds
Current adopted radius: 2.39 R⊕ • circles scaled linearly by radius
Earth
1.0 R⊕ baseline
LTT 3780 c
2.39 R⊕
Jupiter
11.2 R⊕ reference
Provenance
Underlying measurements and references
Evidence Summary
Rows
7
Refs
7
Methods
1
Discoverystable
Facilitystable
Periodstable
Radiusdisputed
Massdisputed
Eq. Tempdisputed
| Year | Method | Facility | Telescope | Period | Radius | Mass | Eq. Temp | Reference |
|---|---|---|---|---|---|---|---|---|
| 2020 | Transit | Transiting Exoplanet Survey Satellite (TESS) | 0.1 m TESS Telescope | 12.25 day | 2.30 Rearth | — | 330.1 K | ExoFOP |
| 2020 | Transit | Transiting Exoplanet Survey Satellite (TESS) | 0.1 m TESS Telescope | 12.25 day | 2.30 Rearth | 8.60 Mearth | 353 K | Cloutier et al. 2020 |
| 2020 | Transit | Transiting Exoplanet Survey Satellite (TESS) | 0.1 m TESS Telescope | 12.25 day | — | 7.89 Mearth | — | Weisserman et al. 2026 |
| 2020 | Transit | Transiting Exoplanet Survey Satellite (TESS) | 0.1 m TESS Telescope | 12.25 day | 2.42 Rearth | 6.29 Mearth | 397 K | Nowak et al. 2020 |
| 2020 | Transit | Transiting Exoplanet Survey Satellite (TESS) | 0.1 m TESS Telescope | 12.25 day | 2.33 Rearth | 7.02 Mearth | — | Luque & Pallé 2022 |
| 2020 | Transit | Transiting Exoplanet Survey Satellite (TESS) | 0.1 m TESS Telescope | 12.25 day | — | — | — | Kokori et al. 2023 |
| 2020 | Transit | Transiting Exoplanet Survey Satellite (TESS) | 0.1 m TESS Telescope | 12.25 day | 2.39 Rearth | 8.04 Mearth | 359 K | Bonfanti et al. 2024 |