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BEACON

Object

2021 UT

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

Risk scales

TorinoT0
Palermo-7.23

Source: JPL Sentry

JPL window: 2053-2119·ESA years: 2053-2123·Last obs: 2021-11-09

Sources

Amber = past cut. Risk 2 · fields 2.

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)—2053-21192053-2123
Cumulative impact probabilitythreshold: >2× (floor 1e-7)—4.797e-61.660e-6
Palermo Scalecumulativethreshold: |Δ| > 0.5—-7.23-7.97
Torino Scalemaxthreshold: exact—T0T0
Estimated diameter* from absolute magnitude—5 m5 m *

Detected · 2 fields · 2 risk

  • cumulativeImpactProbability [risk · >2× (floor 1e-7)] · jpl-sentry=0.000004796914 · esa-neocc=0.00000166Aggregation windows differ (informational): JPL 2053-2119 vs ESA 2053-2123. Cumulative threshold still applies.
  • palermoScaleCumulative [risk · |Δ| > 0.5] · jpl-sentry=-7.23 · esa-neocc=-7.97Aggregation windows differ (informational): JPL 2053-2119 vs ESA 2053-2123. Cumulative threshold still applies.