Discovery Method
Transit
Consistent across records
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ExoplanetDetail
KOI-217 b
Host star KOI-217 • 12.44 R⊕ • 3.91 d orbit
Records
12
archive rows
Discovery
2010
Transit
Radius
12.44 R⊕
default parameter set
Mass
—
default parameter set
KOI-217
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: Howell et al. 2010
Host Star
KOI-217
Stable across source rows
Discovery Year
2010
Stable across source rows
Orbital Period
3.91 day
3.91 to 3.91
Semi-Major Axis
0.05 au
0.05 to 0.05
Radius
12.44 Rearth
11.70 to 14.55
Scale Comparison
Radius against familiar reference worlds
Current adopted radius: 12.44 R⊕ • circles scaled linearly by radius
Earth
1.0 R⊕ baseline
KOI-217 b
12.44 R⊕
Jupiter
11.2 R⊕ reference
Provenance
Underlying measurements and references
Evidence Summary
Rows
12
Refs
12
Methods
1
Discoverystable
Facilitystable
Periodstable
Radiusdisputed
Eq. Tempdisputed
| Year | Method | Facility | Telescope | Period | Radius | Mass | Eq. Temp | Reference |
|---|---|---|---|---|---|---|---|---|
| 2010 | Transit | Kepler | 0.95 m Kepler Telescope | 3.91 day | 12.78 Rearth | — | 1046 K | Q1-Q17 DR25 KOI Table |
| 2010 | Transit | Kepler | 0.95 m Kepler Telescope | 3.91 day | — | — | — | Holczer et al. 2016 |
| 2010 | Transit | Kepler | 0.95 m Kepler Telescope | 3.91 day | 11.70 Rearth | — | 1028 K | Q1-Q8 KOI Table |
| 2010 | Transit | Kepler | 0.95 m Kepler Telescope | 3.91 day | — | — | — | Q1-Q17 DR25 Supplemental KOI Table |
| 2010 | Transit | Kepler | 0.95 m Kepler Telescope | 3.91 day | 13.08 Rearth | — | — | Morton et al. 2016 |
| 2010 | Transit | Kepler | 0.95 m Kepler Telescope | 3.91 day | 12.44 Rearth | — | — | Howell et al. 2010 |
| 2010 | Transit | Kepler | 0.95 m Kepler Telescope | 3.91 day | 13.14 Rearth | — | 1046 K | Q1-Q12 KOI Table |
| 2010 | Transit | Kepler | 0.95 m Kepler Telescope | 3.91 day | 13.14 Rearth | — | 1046 K | Q1-Q17 DR24 KOI Table |
| 2010 | Transit | Kepler | 0.95 m Kepler Telescope | 3.91 day | 14.55 Rearth | — | 1061.6 K | ExoFOP |
| 2010 | Transit | Kepler | 0.95 m Kepler Telescope | 3.91 day | — | — | — | Gajdoš et al. 2019 |
| 2010 | Transit | Kepler | 0.95 m Kepler Telescope | — | 12.51 Rearth | — | — | Berger et al. 2018 |
| 2010 | Transit | Kepler | 0.95 m Kepler Telescope | 3.91 day | 13.14 Rearth | — | 1046 K | Q1-Q16 KOI Table |