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BEACON

Object

2021 FE2

2021FE2 · 2/3 sources · cross-match · 2 risk div.

Risk scales

TorinoT0
Palermo-6.58

Source: JPL Sentry

JPL window: 2100-2123·ESA years: 2100-2100·Last obs: 2021-03-24

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)—2100-21232100-2100
Cumulative impact probabilitythreshold: >2× (floor 1e-7)—3.868e-61.590e-7
Palermo Scalecumulativethreshold: |Δ| > 0.5—-6.58-7.87
Torino Scalemaxthreshold: exact—T0T0
Estimated diameter* from absolute magnitude—14 m15 m *

Detected · 2 fields · 2 risk

  • cumulativeImpactProbability [risk · >2× (floor 1e-7)] · jpl-sentry=0.00000386773 · esa-neocc=1.59e-7Aggregation windows differ (informational): JPL 2100-2123 vs ESA 2100-2100. Cumulative threshold still applies.
  • palermoScaleCumulative [risk · |Δ| > 0.5] · jpl-sentry=-6.58 · esa-neocc=-7.87Aggregation windows differ (informational): JPL 2100-2123 vs ESA 2100-2100. Cumulative threshold still applies.