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BEACON

Object

2021 UK20

2021UK20 · 2/3 sources · cross-match · 1 risk div.

Risk scales

TorinoT0
Palermo-6.01

Source: JPL Sentry

JPL window: 2028-2121·ESA years: 2028-2126·Last obs: 2021-10-30

Sources

Amber = past cut. Risk 1 · fields 1.

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)—2028-21212028-2126
Cumulative impact probabilitythreshold: >2× (floor 1e-7)—2.794e-52.420e-5
Palermo Scalecumulativethreshold: |Δ| > 0.5—-6.01-6.52
Torino Scalemaxthreshold: exact—T0T0
Estimated diameter* from absolute magnitude—6 m7 m *

Detected · 1 fields · 1 risk

  • palermoScaleCumulative [risk · |Δ| > 0.5] · jpl-sentry=-6.01 · esa-neocc=-6.52Aggregation windows differ (informational): JPL 2028-2121 vs ESA 2028-2126. Cumulative threshold still applies.