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BEACON

Object

2021 ST

2021ST · 2/3 sources · cross-match

Risk scales

TorinoT0
Palermo-6.32

Source: JPL Sentry

JPL window: 2068-2112·Last obs: 2021-10-07

Sources

Amber = past cut. Risk 0 · fields 0.

2/3 sources · match
FieldJPL CADnot presentJPL SentryNASA/JPLESA NEOCCESA Aegis
Close-approach datethreshold: date
Miss distanceauthreshold: 3% rel
Relative velocitykm/sthreshold: 1% rel
Cumulative impact probabilitythreshold: >2× (floor 1e-7)2.644e-62.740e-6
Palermo Scalecumulativethreshold: |Δ| > 0.5-6.32-6.36
Torino Scalemaxthreshold: exactT0T0
Estimated diameter* from absolute magnitude22 m24 m *