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HD 221420 b

Host star HD 221420 • 10105 d orbit

Records

6

archive rows

Discovery

Radial Velocity

Radius

median non-null value

Mass

6507.5 M⊕

median non-null value

HD 221420

temperature unconstrained

Quick Summary

Fast scan of the current planet profile

This first pass still reads from the currently available detail payload. Canonical adopted summaries will replace first-row values in the next backend pass.

Host Star

HD 221420

Discovery

Radial Velocity

Year

2019

Period

11100 day

Radius

Mass

6324.8 Mearth

Eq. Temp

Provenance

Underlying measurements and references

Evidence Summary

Rows

6

Refs

6

Methods

1

Discoverystable

6 values • 1 distinct

Facilitystable

6 values • 1 distinct

Perioddisputed

6 values • 6 distinct

Massdisputed

6 values • 6 distinct

YearMethodFacilityTelescopePeriodRadiusMassEq. TempReference
2019Radial VelocityAnglo-Australian Telescope3.9 m Anglo-Australian Telescope11100 day6324.8 MearthAn et al. 2025
2019Radial VelocityAnglo-Australian Telescope3.9 m Anglo-Australian Telescope10090 day7278.3 MearthVenner et al. 2021
2019Radial VelocityAnglo-Australian Telescope3.9 m Anglo-Australian Telescope8615.4 day6467.8 MearthFeng et al. 2022
2019Radial VelocityAnglo-Australian Telescope3.9 m Anglo-Australian Telescope10066 day6992.2 MearthPhilipot et al. 2023
2019Radial VelocityAnglo-Australian Telescope3.9 m Anglo-Australian Telescope22482 day3083.0 MearthKane et al. 2019
2019Radial VelocityAnglo-Australian Telescope3.9 m Anglo-Australian Telescope10120 day6547.3 MearthLi et al. 2021