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BEACON

Object

2018 WA3

2018WA3 · 2/3 sources · cross-match · 2 risk div.

Risk scales

TorinoT0
Palermo-7.22

Source: JPL Sentry

JPL window: 2055-2055·ESA years: 2055-2060·Last obs: 2018-12-09

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 (ESA 0.1 km/s)———
Risk yearsaggregation windows differ (informational)—2055-20552055-2060
Cumulative impact probabilitythreshold: >2× (floor 1e-7)—6.267e-71.140e-7
Palermo Scalecumulativethreshold: |Δ| > 0.5—-7.22-7.88
Torino Scalemaxthreshold: exact—T0T0
Estimated diameter* from absolute magnitude—9 m10 m *

Detected · 2 fields · 2 risk

  • cumulativeImpactProbability [risk · >2× (floor 1e-7)] · jpl-sentry=6.267e-7 · esa-neocc=1.14e-7Aggregation windows differ (informational): JPL 2055-2055 vs ESA 2055-2060. Cumulative threshold still applies.
  • palermoScaleCumulative [risk · |Δ| > 0.5] · jpl-sentry=-7.22 · esa-neocc=-7.88Aggregation windows differ (informational): JPL 2055-2055 vs ESA 2055-2060. Cumulative threshold still applies.