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ExoplanetDetail

HR 858 b

Host star HR 858 • 2.00 R⊕ • 3.59 d orbit

Records

3

archive rows

Discovery

Transit

Radius

2.00 R⊕

median non-null value

Mass

3.55 M⊕

median non-null value

HR 858

1552 K equilibrium

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

HR 858

Discovery

Transit

Year

2019

Period

3.59 day

Radius

1.77 Rearth

Mass

Eq. Temp

1404 K

Scale Comparison

Radius against familiar reference worlds

Current adopted radius: 2.00 R⊕ • circles scaled linearly by radius

Earth

1.0 R⊕ baseline

HR 858 b

2.00 R⊕

Jupiter

11.2 R⊕ reference

Provenance

Underlying measurements and references

Evidence Summary

Rows

3

Refs

3

Methods

1

Discoverystable

3 values • 1 distinct

Facilitystable

3 values • 1 distinct

Periodstable

3 values • 1 distinct

Radiusdisputed

3 values • 3 distinct

Massstable

1 values • 1 distinct

Eq. Tempdisputed

3 values • 3 distinct

YearMethodFacilityTelescopePeriodRadiusMassEq. TempReference
2019TransitTransiting Exoplanet Survey Satellite (TESS)0.1 m TESS Telescope3.59 day1.77 Rearth1404 KExoFOP
2019TransitTransiting Exoplanet Survey Satellite (TESS)0.1 m TESS Telescope3.59 day2.08 Rearth1572 KVanderburg et al. 2019
2019TransitTransiting Exoplanet Survey Satellite (TESS)0.1 m TESS Telescope3.59 day2.00 Rearth3.55 Mearth1552 KBonfanti et al. 2025