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BEACON

Object

2009 BR5

2009BR5 · 2/3 sources · cross-match · 2 risk div.

Risk scales

TorinoT0
Palermo-5.08

Source: JPL Sentry

JPL window: 2066-2078·ESA years: 2059-2059·Last obs: 2009-01-31

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)—2066-20782059-2059
Cumulative impact probabilitythreshold: >2× (floor 1e-7)—2.291e-71.760e-9
Palermo Scalecumulativethreshold: |Δ| > 0.5—-5.08-6.86
Torino Scalemaxthreshold: exact—T0T0
Estimated diameter* from absolute magnitude—130 m130 m *

Detected · 2 fields · 2 risk

  • cumulativeImpactProbability [risk · >2× (floor 1e-7)] · jpl-sentry=2.291465e-7 · esa-neocc=1.76e-9Aggregation windows differ (informational): JPL 2066-2078 vs ESA 2059-2059. Cumulative threshold still applies.
  • palermoScaleCumulative [risk · |Δ| > 0.5] · jpl-sentry=-5.08 · esa-neocc=-6.86Aggregation windows differ (informational): JPL 2066-2078 vs ESA 2059-2059. Cumulative threshold still applies.