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BEACON

Object

2018 WA1

2018WA1 · 2/3 sources · cross-match · 1 risk div.

Risk scales

TorinoT0
Palermo-7.07

Source: JPL Sentry

JPL window: 2085-2121·ESA years: 2082-2126·Last obs: 2018-11-22

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)—2085-21212082-2126
Cumulative impact probabilitythreshold: >2× (floor 1e-7)—6.174e-51.870e-5
Palermo Scalecumulativethreshold: |Δ| > 0.5—-7.07-7.51
Torino Scalemaxthreshold: exact—T0T0
Estimated diameter* from absolute magnitude—3 m4 m *

Detected · 1 fields · 1 risk

  • cumulativeImpactProbability [risk · >2× (floor 1e-7)] · jpl-sentry=0.000061740984 · esa-neocc=0.0000187Aggregation windows differ (informational): JPL 2085-2121 vs ESA 2082-2126. Cumulative threshold still applies.