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BEACON

Object

2017 LD

2017LD · 2/3 sources · cross-match

Risk scales

TorinoT0
Palermo-4.09

Source: JPL Sentry

JPL window: 2053-2126·ESA years: 2053-2122·Last obs: 2017-06-30

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)2053-21262053-2122
Cumulative impact probabilitythreshold: >2× (floor 1e-7)2.526e-32.340e-3
Palermo Scalecumulativethreshold: |Δ| > 0.5-4.09-4.12
Torino Scalemaxthreshold: exactT0T0
Estimated diameter* from absolute magnitude11 m12 m *