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BEACON

Object

2019 NL4

2019NL4 · 2/3 sources · cross-match

Risk scales

TorinoT0
Palermo-7.39

Source: JPL Sentry

JPL window: 2074-2120·ESA years: 2074-2074·Last obs: 2019-07-10

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)—2074-21202074-2074
Cumulative impact probabilitythreshold: >2× (floor 1e-7)—1.312e-71.030e-7
Palermo Scalecumulativethreshold: |Δ| > 0.5—-7.39-7.36
Torino Scalemaxthreshold: exact—T0T0
Estimated diameter* from absolute magnitude—21 m22 m *