Discovery Method
Imaging
Consistent across records
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ExoplanetDetail
COCONUTS-2 b
Host star COCONUTS-2 A • 12.58 R⊕
Records
3
archive rows
Discovery
2021
Imaging
Radius
12.58 R⊕
default parameter set
Mass
2383.7 M⊕
default parameter set
COCONUTS-2 A
493 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: Kiman et al. 2026
Host Star
COCONUTS-2 A
Stable across source rows
Discovery Year
2021
Stable across source rows
Radius
12.58 Rearth
12.44 to 12.58
Mass
2383.7 Mearth
2002.3 to 2542.6
Equilibrium Temperature
493 K
434 to 493
Scale Comparison
Radius against familiar reference worlds
Current adopted radius: 12.58 R⊕ • circles scaled linearly by radius
Earth
1.0 R⊕ baseline
COCONUTS-2 b
12.58 R⊕
Jupiter
11.2 R⊕ reference
Provenance
Underlying measurements and references
Evidence Summary
Rows
3
Refs
3
Methods
1
Discoverystable
Facilitystable
Periodstable
Radiusdisputed
Massdisputed
Eq. Tempdisputed
| Year | Method | Facility | Telescope | Period | Radius | Mass | Eq. Temp | Reference |
|---|---|---|---|---|---|---|---|---|
| 2021 | Imaging | NASA Infrared Telescope Facility (IRTF) | 3.2 m telescope | — | 12.58 Rearth | 2383.7 Mearth | 493 K | Kiman et al. 2026 |
| 2021 | Imaging | NASA Infrared Telescope Facility (IRTF) | 3.2 m telescope | 402000000 day | 12.44 Rearth | 2002.3 Mearth | 434 K | Zhang et al. 2021 |
| 2021 | Imaging | NASA Infrared Telescope Facility (IRTF) | 3.2 m telescope | — | 12.44 Rearth | 2542.6 Mearth | — | Zhang et al. 2025 |