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BEACON

Object

2020 WT4

2020WT4 · 2/3 sources · cross-match · 2 risk div.

Risk scales

TorinoT0
Palermo-6.92

Source: JPL Sentry

JPL window: 2062-2121·Last obs: 2020-12-09

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
Cumulative impact probabilitythreshold: >2× (floor 1e-7)5.024e-61.260e-6
Palermo Scalecumulativethreshold: |Δ| > 0.5-6.92-7.49
Torino Scalemaxthreshold: exactT0T0
Estimated diameter* from absolute magnitude10 m10 m *

Detected · 2 fields · 2 risk

  • cumulativeImpactProbability [risk · >2× (floor 1e-7)] · jpl-sentry=0.0000050237008 · esa-neocc=0.00000126
  • palermoScaleCumulative [risk · |Δ| > 0.5] · jpl-sentry=-6.92 · esa-neocc=-7.49