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BEACON

Object

2021 WE3

2021WE3 · 2/3 sources · cross-match · 2 risk div.

Risk scales

TorinoT0
Palermo-8.04

Source: JPL Sentry

JPL window: 2117-2117·ESA years: 2027-2118·Last obs: 2021-12-09

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)2117-21172027-2118
Cumulative impact probabilitythreshold: >2× (floor 1e-7)1.967e-82.600e-7
Palermo Scalecumulativethreshold: |Δ| > 0.5-8.04-6.90
Torino Scalemaxthreshold: exactT0T0
Estimated diameter* from absolute magnitude31 m30 m *

Detected · 2 fields · 2 risk

  • cumulativeImpactProbability [risk · >2× (floor 1e-7)] · jpl-sentry=1.967e-8 · esa-neocc=2.6e-7Aggregation windows differ (informational): JPL 2117-2117 vs ESA 2027-2118. Cumulative threshold still applies.
  • palermoScaleCumulative [risk · |Δ| > 0.5] · jpl-sentry=-8.04 · esa-neocc=-6.9Aggregation windows differ (informational): JPL 2117-2117 vs ESA 2027-2118. Cumulative threshold still applies.