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BEACON

Object

2009 VA

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

Risk scales

TorinoT0
Palermo-6.77

Source: JPL Sentry

JPL window: 2031-2043·ESA years: 2026-2048·Last obs: 2009-11-06

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)—2031-20432026-2048
Cumulative impact probabilitythreshold: >2× (floor 1e-7)—1.024e-64.950e-6
Palermo Scalecumulativethreshold: |Δ| > 0.5—-6.77-4.57
Torino Scalemaxthreshold: exact—T0T0
Estimated diameter* from absolute magnitude—7 m6 m *

Detected · 2 fields · 2 risk

  • cumulativeImpactProbability [risk · >2× (floor 1e-7)] · jpl-sentry=0.00000102364 · esa-neocc=0.00000495Aggregation windows differ (informational): JPL 2031-2043 vs ESA 2026-2048. Cumulative threshold still applies.
  • palermoScaleCumulative [risk · |Δ| > 0.5] · jpl-sentry=-6.77 · esa-neocc=-4.57Aggregation windows differ (informational): JPL 2031-2043 vs ESA 2026-2048. Cumulative threshold still applies.