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BEACON

Object

2004 FM4

2004FM4 · 2/3 sources · cross-match

Risk scales

TorinoT0
Palermo-7.60

Source: JPL Sentry

JPL window: 2110-2119·ESA years: 2119-2119·Last obs: 2004-03-31

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)—2110-21192119-2119
Cumulative impact probabilitythreshold: >2× (floor 1e-7)—2.292e-88.550e-8
Palermo Scalecumulativethreshold: |Δ| > 0.5—-7.60-7.10
Torino Scalemaxthreshold: exact—T0T0
Estimated diameter* from absolute magnitude—42 m40 m *