Discovery Method
Radial Velocity
Consistent across records
Host star GJ 876 • 61.12 d orbit
Records
9
archive rows
Discovery
1998
Radial Velocity
Radius
—
default parameter set
Mass
723.2 M⊕
default parameter set
GJ 876
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: Rivera et al. 2010
Host Star
GJ 876
Stable across source rows
Discovery Method
Radial Velocity
Consistent across records
Discovery Year
1998
Stable across source rows
Orbital Period
61.12 day
60.83 to 61.40
Semi-Major Axis
0.21 au
0.21 to 0.22
Mass
723.2 Mearth
600.7 to 1144.2
Provenance
Evidence Summary
Rows
9
Refs
9
Methods
1
| Year | Method | Facility | Telescope | Period | Radius | Mass | Eq. Temp | Reference |
|---|---|---|---|---|---|---|---|---|
| 1998 | Radial Velocity | Multiple Observatories | Multiple Telescopes | 61.09 day | — | 845.3 Mearth | — | Nelson et al. 2016 |
| 1998 | Radial Velocity | Multiple Observatories | Multiple Telescopes | 61.40 day | — | 1144.2 Mearth | — | Gaia Collaboration et al. 2023 |
| 1998 | Radial Velocity | Multiple Observatories | Multiple Telescopes | 61.03 day | — | 672.2 Mearth | — | Rosenthal et al. 2021 |
| 1998 | Radial Velocity | Multiple Observatories | Multiple Telescopes | 61.12 day | — | 723.2 Mearth | — | Rivera et al. 2010 |
| 1998 | Radial Velocity | Multiple Observatories | Multiple Telescopes | 61.08 day | — | 887.7 Mearth | — | Trifonov et al. 2018 |
| 1998 | Radial Velocity | Multiple Observatories | Multiple Telescopes | 61.06 day | — | 839.0 Mearth | — | Correia et al. 2010 |
| 1998 | Radial Velocity | Multiple Observatories | Multiple Telescopes | 60.85 day | — | 670.6 Mearth | — | Marcy et al. 1998 |
| 1998 | Radial Velocity | Multiple Observatories | Multiple Telescopes | 60.83 day | — | 804.1 Mearth | — | Rivera et al. 2005 |
| 1998 | Radial Velocity | Multiple Observatories | Multiple Telescopes | 61.02 day | — | 600.7 Mearth | — | Marcy et al. 2001 |