Discovery Method
Radial Velocity
Consistent across records
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ExoplanetDetail
ups And d
Host star ups And • 1276.5 d orbit
Records
7
archive rows
Discovery
1999
Radial Velocity
Radius
—
default parameter set
Mass
1313.2 M⊕
default parameter set
ups And
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: Curiel et al. 2011
Host Star
ups And
Stable across source rows
Discovery Year
1999
Stable across source rows
Orbital Period
1276.5 day
1274.6 to 1319
Semi-Major Axis
2.51 au
2.51 to 2.58
Mass
1313.2 Mearth
1255.4 to 3257.7
Provenance
Underlying measurements and references
Evidence Summary
Rows
7
Refs
7
Methods
1
Discoverystable
Facilitystable
Perioddisputed
Massdisputed
| Year | Method | Facility | Telescope | Period | Radius | Mass | Eq. Temp | Reference |
|---|---|---|---|---|---|---|---|---|
| 1999 | Radial Velocity | Multiple Observatories | Multiple Telescopes | 1282.4 day | — | 1303.1 Mearth | — | Rosenthal et al. 2021 |
| 1999 | Radial Velocity | Multiple Observatories | Multiple Telescopes | 1281.5 day | — | 3257.7 Mearth | — | McArthur et al. 2010 |
| 1999 | Radial Velocity | Multiple Observatories | Multiple Telescopes | 1276.5 day | — | 1313.2 Mearth | — | Curiel et al. 2011 |
| 1999 | Radial Velocity | Multiple Observatories | Multiple Telescopes | 1278.1 day | — | 1312.6 Mearth | — | Wright et al. 2009 |
| 1999 | Radial Velocity | Multiple Observatories | Multiple Telescopes | 1319 day | — | 1255.4 Mearth | — | Naef et al. 2004 |
| 1999 | Radial Velocity | Multiple Observatories | Multiple Telescopes | 1281.4 day | — | 1378 Mearth | — | Harada et al. 2025 |
| 1999 | Radial Velocity | Multiple Observatories | Multiple Telescopes | 1274.6 day | — | 1255.4 Mearth | — | Wittenmyer et al. 2007 |