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BEACON

Object

2009 TB

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

Risk scales

TorinoT0
Palermo-8.97

Source: JPL Sentry

JPL window: 2070-2115·Last obs: 2009-10-02

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)5.617e-87.830e-6
Palermo Scalecumulativethreshold: |Δ| > 0.5-8.97-6.88
Torino Scalemaxthreshold: exactT0T0
Estimated diameter* from absolute magnitude6 m5 m *

Detected · 2 fields · 2 risk

  • cumulativeImpactProbability [risk · >2× (floor 1e-7)] · jpl-sentry=5.6174e-8 · esa-neocc=0.00000783
  • palermoScaleCumulative [risk · |Δ| > 0.5] · jpl-sentry=-8.97 · esa-neocc=-6.88