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ExoplanetDetail

TOI-521 b

Host star TOI-521 • 1.97 R⊕ • 1.54 d orbit

Records

2

archive rows

Discovery

Transit

Radius

1.97 R⊕

median non-null value

Mass

5.30 M⊕

median non-null value

TOI-521

751.9 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

TOI-521

Discovery

Transit

Year

2025

Period

1.54 day

Radius

1.97 Rearth

Mass

Eq. Temp

709.9 K

Scale Comparison

Radius against familiar reference worlds

Current adopted radius: 1.97 R⊕ • circles scaled linearly by radius

Earth

1.0 R⊕ baseline

TOI-521 b

1.97 R⊕

Jupiter

11.2 R⊕ reference

Provenance

Underlying measurements and references

Evidence Summary

Rows

2

Refs

2

Methods

1

Discoverystable

2 values • 1 distinct

Facilitystable

2 values • 1 distinct

Periodstable

2 values • 1 distinct

Radiusdisputed

2 values • 2 distinct

Massstable

1 values • 1 distinct

Eq. Tempdisputed

2 values • 2 distinct

YearMethodFacilityTelescopePeriodRadiusMassEq. TempReference
2025TransitTransiting Exoplanet Survey Satellite (TESS)0.1 m TESS Telescope1.54 day1.97 Rearth709.9 KExoFOP
2025TransitTransiting Exoplanet Survey Satellite (TESS)0.1 m TESS Telescope1.54 day1.98 Rearth5.30 Mearth794 KLacedelli et al. 2026