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BEACON

Object

2012 BA77

2012BA77 · 2/3 sources · cross-match

Risk scales

TorinoT0
Palermo-4.66

Source: JPL Sentry

JPL window: 2029-2088·ESA years: 2028-2088·Last obs: 2012-01-29

Sources

Amber = past cut. Risk 0 · fields 0.

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)2029-20882028-2088
Cumulative impact probabilitythreshold: >2× (floor 1e-7)2.670e-52.240e-5
Palermo Scalecumulativethreshold: |Δ| > 0.5-4.66-4.85
Torino Scalemaxthreshold: exactT0T0
Estimated diameter* from absolute magnitude23 m25 m *