ExoplanetDetail

GJ 876 b

Host star GJ 876 • 61.12 d orbit

Records

archive rows

Discovery

1998

Radial Velocity

Radius

—

default parameter set

Mass

723.2 M⊕

default parameter set

GJ 876

temperature unconstrained

Selected source: Rivera et al. 2010

Host Star

GJ 876

Stable across source rows

GJ 876

Discovery Method

Radial Velocity

Consistent across records

Radial Velocity (9)

Discovery Year

1998

Stable across source rows

1998

Orbital Period

61.12 day

60.83 to 61.40

9 values • 9 distinct

Semi-Major Axis

0.21 au

0.21 to 0.22

8 values • 8 distinct

Mass

723.2 Mearth

600.7 to 1144.2

9 values • 9 distinct

Evidence Summary

Rows

Refs

Methods

Discoverystable

9 values • 1 distinct

Facilitystable

9 values • 1 distinct

Perioddisputed

9 values • 9 distinct

Massdisputed

9 values • 9 distinct

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

GJ 876 b

Adopted planet values from the default parameter set

Underlying measurements and references