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BEACON

Object

2009 TB

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

Risk scales

TorinoT0
Palermo-8.96

Source: JPL Sentry

JPL window: 2070-2115·ESA years: 2027-2074·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 (ESA 0.1 km/s)———
Risk yearsaggregation windows differ (informational)—2070-21152027-2074
Cumulative impact probabilitythreshold: >2× (floor 1e-7)—5.617e-82.250e-6
Palermo Scalecumulativethreshold: |Δ| > 0.5—-8.96-6.82
Torino Scalemaxthreshold: exact—T0T0
Estimated diameter* from absolute magnitude—6 m5 m *

Detected · 2 fields · 2 risk

  • cumulativeImpactProbability [risk · >2× (floor 1e-7)] · jpl-sentry=5.6174e-8 · esa-neocc=0.00000225Aggregation windows differ (informational): JPL 2070-2115 vs ESA 2027-2074. Cumulative threshold still applies.
  • palermoScaleCumulative [risk · |Δ| > 0.5] · jpl-sentry=-8.96 · esa-neocc=-6.82Aggregation windows differ (informational): JPL 2070-2115 vs ESA 2027-2074. Cumulative threshold still applies.