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BEACON

Object

2018 LF4

2018LF4 · 2/3 sources · cross-match · 2 risk div.

Risk scales

TorinoT0
Palermo-7.34

Source: JPL Sentry

JPL window: 2106-2106·ESA years: 2106-2106·Last obs: 2018-07-09

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 yearscumulative aggregation window—2106-21062106-2106
Cumulative impact probabilitythreshold: >2× (floor 1e-7)—3.597e-81.160e-7
Palermo Scalecumulativethreshold: |Δ| > 0.5—-7.34-6.75
Torino Scalemaxthreshold: exact—T0T0
Estimated diameter* from absolute magnitude—49 m50 m *

Detected · 2 fields · 2 risk

  • cumulativeImpactProbability [risk · >2× (floor 1e-7)] · jpl-sentry=3.597e-8 · esa-neocc=1.16e-7
  • palermoScaleCumulative [risk · |Δ| > 0.5] · jpl-sentry=-7.34 · esa-neocc=-6.75