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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·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
Cumulative impact probabilitythreshold: >2× (floor 1e-7)2.291e-71.750e-9
Palermo Scalecumulativethreshold: |Δ| > 0.5-5.08-7.05
Torino Scalemaxthreshold: exactT0T0
Estimated diameter* from absolute magnitude130 m130 m *

Detected · 2 fields · 2 risk

  • cumulativeImpactProbability [risk · >2× (floor 1e-7)] · jpl-sentry=2.291465e-7 · esa-neocc=1.75e-9
  • palermoScaleCumulative [risk · |Δ| > 0.5] · jpl-sentry=-5.08 · esa-neocc=-7.05