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BEACON

Object

2018 WJ

2018WJ · 2/3 sources · cross-match · 1 risk div.

Risk scales

TorinoT0
Palermo-6.99

Source: JPL Sentry

JPL window: 2045-2116·ESA years: 2045-2096·Last obs: 2018-11-19

Sources

Amber = past cut. Risk 1 · fields 1.

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)2045-21162045-2096
Cumulative impact probabilitythreshold: >2× (floor 1e-7)5.258e-71.460e-6
Palermo Scalecumulativethreshold: |Δ| > 0.5-6.99-6.66
Torino Scalemaxthreshold: exactT0T0
Estimated diameter* from absolute magnitude10 m10 m *

Detected · 1 fields · 1 risk

  • cumulativeImpactProbability [risk · >2× (floor 1e-7)] · jpl-sentry=5.258452e-7 · esa-neocc=0.00000146Aggregation windows differ (informational): JPL 2045-2116 vs ESA 2045-2096. Cumulative threshold still applies.