Discovery Method
Radial Velocity
Consistent across records
Host star HD 81688 • 183.9 d orbit
Records
3
archive rows
Discovery
2007
Radial Velocity
Radius
—
default parameter set
Mass
525.7 M⊕
default parameter set
HD 81688
temperature unconstrained
Canonical Summary
Values come from the archive's default parameter set. Missing values stay missing. Ranges and counts describe all source rows.
Selected source: Teng et al. 2023
Host Star
HD 81688
Stable across source rows
Discovery Method
Radial Velocity
Consistent across records
Discovery Year
2007
Stable across source rows
Orbital Period
183.9 day
183.9 to 184.0
Semi-Major Axis
0.65 au
0.65 to 0.81
Mass
525.7 Mearth
525.7 to 858.1
Provenance
Evidence Summary
Rows
3
Refs
3
Methods
1
| Year | Method | Facility | Telescope | Period | Radius | Mass | Eq. Temp | Reference |
|---|---|---|---|---|---|---|---|---|
| 2007 | Radial Velocity | Okayama Astrophysical Observatory | 1.88 m Telescope | 184.0 day | — | 858.1 Mearth | — | Sato et al. 2008 |
| 2007 | Radial Velocity | Okayama Astrophysical Observatory | 1.88 m Telescope | — | — | 562.5 Mearth | — | Kunitomo et al. 2011 |
| 2007 | Radial Velocity | Okayama Astrophysical Observatory | 1.88 m Telescope | 183.9 day | — | 525.7 Mearth | — | Teng et al. 2023 |