Discovery Method
Transit
Consistent across records
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ExoplanetDetail
AU Mic b
Host star AU Mic • 4.79 R⊕ • 8.46 d orbit
Records
14
archive rows
Discovery
2020
Transit
Radius
4.79 R⊕
default parameter set
Mass
8.99 M⊕
default parameter set
AU Mic
554.8 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
2020
Stable across source rows
Orbital Period
8.46 day
8.45 to 8.46
Semi-Major Axis
0.07 au
0.06 to 0.07
Radius
4.79 Rearth
3.55 to 4.79
Mass
8.99 Mearth
6.10 to 57.21
Density
0.49 g/cm**3
0.49 to 4.40
Equilibrium Temperature
554.8 K
554.8 to 754.6
Scale Comparison
Radius against familiar reference worlds
Current adopted radius: 4.79 R⊕ • circles scaled linearly by radius
Earth
1.0 R⊕ baseline
AU Mic b
4.79 R⊕
Jupiter
11.2 R⊕ reference
Provenance
Underlying measurements and references
Evidence Summary
Rows
14
Refs
14
Methods
1
Discoverystable
Facilitystable
Perioddisputed
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 | 8.46 day | 4.20 Rearth | 57.21 Mearth | — | Plavchan et al. 2020 |
| 2020 | Transit | Transiting Exoplanet Survey Satellite (TESS) | 0.1 m TESS Telescope | 8.45 day | 4.03 Rearth | — | 754.6 K | ExoFOP |
| 2020 | Transit | Transiting Exoplanet Survey Satellite (TESS) | 0.1 m TESS Telescope | 8.46 day | — | — | — | Hirano et al. 2020 |
| 2020 | Transit | Transiting Exoplanet Survey Satellite (TESS) | 0.1 m TESS Telescope | 8.46 day | — | 6.10 Mearth | — | Donati et al. 2025 |
| 2020 | Transit | Transiting Exoplanet Survey Satellite (TESS) | 0.1 m TESS Telescope | 8.46 day | 4.38 Rearth | — | — | Szabó et al. 2021 |
| 2020 | Transit | Transiting Exoplanet Survey Satellite (TESS) | 0.1 m TESS Telescope | — | 3.55 Rearth | — | — | Szabó et al. 2022 |
| 2020 | Transit | Transiting Exoplanet Survey Satellite (TESS) | 0.1 m TESS Telescope | 8.46 day | 4.79 Rearth | 8.99 Mearth | 554.8 K | Mallorquín et al. 2024 |
| 2020 | Transit | Transiting Exoplanet Survey Satellite (TESS) | 0.1 m TESS Telescope | 8.46 day | 4.07 Rearth | 17 Mearth | 593 K | Martioli et al. 2021 |
| 2020 | Transit | Transiting Exoplanet Survey Satellite (TESS) | 0.1 m TESS Telescope | 8.46 day | — | 17.10 Mearth | — | Klein et al. 2021 |
| 2020 | Transit | Transiting Exoplanet Survey Satellite (TESS) | 0.1 m TESS Telescope | 8.46 day | — | 20.12 Mearth | — | Cale et al. 2021 |
| 2020 | Transit | Transiting Exoplanet Survey Satellite (TESS) | 0.1 m TESS Telescope | 8.46 day | 4.19 Rearth | — | — | Gilbert et al. 2022 |
| 2020 | Transit | Transiting Exoplanet Survey Satellite (TESS) | 0.1 m TESS Telescope | 8.46 day | — | 11.70 Mearth | — | Zicher et al. 2022 |
| 2020 | Transit | Transiting Exoplanet Survey Satellite (TESS) | 0.1 m TESS Telescope | 8.46 day | — | 10.20 Mearth | — | Donati et al. 2023 |
| 2020 | Transit | Transiting Exoplanet Survey Satellite (TESS) | 0.1 m TESS Telescope | 8.46 day | 3.96 Rearth | — | 600 K | Wittrock et al. 2023 |