Discovery Method
Transit
Consistent across records
←Back to Exoplanets
ExoplanetDetail
AU Mic c
Host star AU Mic • 2.79 R⊕ • 18.86 d orbit
Records
9
archive rows
Discovery
2021
Transit
Radius
2.79 R⊕
default parameter set
Mass
14.46 M⊕
default parameter set
AU Mic
424.7 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: Mallorquín et al. 2024
Host Star
AU Mic
Stable across source rows
Discovery Year
2021
Stable across source rows
Orbital Period
18.86 day
18.86 to 18.86
Semi-Major Axis
0.12 au
0.10 to 0.12
Radius
2.79 Rearth
2.52 to 3.24
Mass
14.46 Mearth
9.60 to 22.20
Density
3.90 g/cm**3
1.22 to 3.90
Equilibrium Temperature
424.7 K
424.7 to 459
Scale Comparison
Radius against familiar reference worlds
Current adopted radius: 2.79 R⊕ • circles scaled linearly by radius
Earth
1.0 R⊕ baseline
AU Mic c
2.79 R⊕
Jupiter
11.2 R⊕ reference
Provenance
Underlying measurements and references
Evidence Summary
Rows
9
Refs
9
Methods
1
Discoverystable
Facilitystable
Periodstable
Radiusdisputed
Massdisputed
Eq. Tempdisputed
| Year | Method | Facility | Telescope | Period | Radius | Mass | Eq. Temp | Reference |
|---|---|---|---|---|---|---|---|---|
| 2021 | Transit | Transiting Exoplanet Survey Satellite (TESS) | 0.1 m TESS Telescope | 18.86 day | — | 11.60 Mearth | — | Donati et al. 2025 |
| 2021 | Transit | Transiting Exoplanet Survey Satellite (TESS) | 0.1 m TESS Telescope | — | 2.56 Rearth | — | — | Szabó et al. 2022 |
| 2021 | Transit | Transiting Exoplanet Survey Satellite (TESS) | 0.1 m TESS Telescope | 18.86 day | 2.79 Rearth | 14.46 Mearth | 424.7 K | Mallorquín et al. 2024 |
| 2021 | Transit | Transiting Exoplanet Survey Satellite (TESS) | 0.1 m TESS Telescope | 18.86 day | 3.24 Rearth | 13.60 Mearth | 454 K | Martioli et al. 2021 |
| 2021 | Transit | Transiting Exoplanet Survey Satellite (TESS) | 0.1 m TESS Telescope | 18.86 day | — | 9.60 Mearth | — | Cale et al. 2021 |
| 2021 | Transit | Transiting Exoplanet Survey Satellite (TESS) | 0.1 m TESS Telescope | 18.86 day | 2.79 Rearth | — | — | Gilbert et al. 2022 |
| 2021 | Transit | Transiting Exoplanet Survey Satellite (TESS) | 0.1 m TESS Telescope | 18.86 day | — | 22.20 Mearth | — | Zicher et al. 2022 |
| 2021 | Transit | Transiting Exoplanet Survey Satellite (TESS) | 0.1 m TESS Telescope | 18.86 day | — | 14.20 Mearth | — | Donati et al. 2023 |
| 2021 | Transit | Transiting Exoplanet Survey Satellite (TESS) | 0.1 m TESS Telescope | 18.86 day | 2.52 Rearth | — | 459 K | Wittrock et al. 2023 |