Discovery Method
Transit
Consistent across records
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ExoplanetDetail
XO-1 b
Host star XO-1 • 12.78 R⊕ • 3.94 d orbit
Records
15
archive rows
Discovery
2006
Transit
Radius
12.78 R⊕
default parameter set
Mass
263.8 M⊕
default parameter set
XO-1
temperature unconstrained
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: Stassun et al. 2017
Host Star
XO-1
Stable across source rows
Discovery Year
2006
Stable across source rows
Orbital Period
3.94 day
3.94 to 3.94
Radius
12.78 Rearth
12.78 to 15.02
Mass
263.8 Mearth
263.8 to 293.7
Scale Comparison
Radius against familiar reference worlds
Current adopted radius: 12.78 R⊕ • circles scaled linearly by radius
Earth
1.0 R⊕ baseline
XO-1 b
12.78 R⊕
Jupiter
11.2 R⊕ reference
Provenance
Underlying measurements and references
Evidence Summary
Rows
15
Refs
15
Methods
1
Discoverystable
Facilitystable
Periodstable
Radiusdisputed
Massdisputed
Eq. Tempdisputed
| Year | Method | Facility | Telescope | Period | Radius | Mass | Eq. Temp | Reference |
|---|---|---|---|---|---|---|---|---|
| 2006 | Transit | XO | Canon 200mm f/1.8L | 3.94 day | 15.02 Rearth | — | — | Wilson et al. 2006 |
| 2006 | Transit | XO | Canon 200mm f/1.8L | 3.94 day | 13.52 Rearth | 290.2 Mearth | — | Bonomo et al. 2017 |
| 2006 | Transit | XO | Canon 200mm f/1.8L | 3.94 day | — | — | — | Raetz et al. 2009 |
| 2006 | Transit | XO | Canon 200mm f/1.8L | 3.94 day | 13.56 Rearth | 292.4 Mearth | — | Burke et al. 2010 |
| 2006 | Transit | XO | Canon 200mm f/1.8L | 3.94 day | 13.52 Rearth | 293.7 Mearth | 1210 K | Southworth 2010 |
| 2006 | Transit | XO | Canon 200mm f/1.8L | 3.94 day | 13.52 Rearth | 291.8 Mearth | 1196 K | Torres et al. 2008 |
| 2006 | Transit | XO | Canon 200mm f/1.8L | 3.94 day | — | — | — | Kokori et al. 2023 |
| 2006 | Transit | XO | Canon 200mm f/1.8L | 3.94 day | — | — | — | Kokori et al. 2022 |
| 2006 | Transit | XO | Canon 200mm f/1.8L | 3.94 day | — | — | — | Caceres et al. 2009 |
| 2006 | Transit | XO | Canon 200mm f/1.8L | 3.94 day | — | — | — | Patel & Espinoza 2022 |
| 2006 | Transit | XO | Canon 200mm f/1.8L | — | 13.27 Rearth | 286.0 Mearth | 1100 K | Holman et al. 2006 |
| 2006 | Transit | XO | Canon 200mm f/1.8L | 3.94 day | 13.84 Rearth | — | 1179 K | ExoFOP |
| 2006 | Transit | XO | Canon 200mm f/1.8L | 3.94 day | 12.78 Rearth | 263.8 Mearth | — | Stassun et al. 2017 |
| 2006 | Transit | XO | Canon 200mm f/1.8L | 3.94 day | — | — | — | Ivshina & Winn 2022 |
| 2006 | Transit | XO | Canon 200mm f/1.8L | 3.94 day | 14.57 Rearth | 286.0 Mearth | — | McCullough et al. 2006 |