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BEACON

Object

2021 KB22

2021KB22 · 2/3 sources · cross-match

Risk scales

TorinoT0
Palermo-7.31

Source: JPL Sentry

JPL window: 2056-2119·ESA years: 2080-2121·Last obs: 2021-05-30

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 (ESA 0.1 km/s)———
Risk yearsaggregation windows differ (informational)—2056-21192080-2121
Cumulative impact probabilitythreshold: >2× (floor 1e-7)—2.272e-51.340e-5
Palermo Scalecumulativethreshold: |Δ| > 0.5—-7.31-7.44
Torino Scalemaxthreshold: exact—T0T0
Estimated diameter* from absolute magnitude—4 m4 m *