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BEACON

Object

2018 AT2

2018AT2 · 2/3 sources · cross-match · 2 risk div.

Risk scales

TorinoT0
Palermo-8.52

Source: JPL Sentry

JPL window: 2109-2115·ESA years: 2126-2126·Last obs: 2018-01-20

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)—2109-21152126-2126
Cumulative impact probabilitythreshold: >2× (floor 1e-7)—1.475e-71.210e-8
Palermo Scalecumulativethreshold: |Δ| > 0.5—-8.52-9.62
Torino Scalemaxthreshold: exact—T0T0
Estimated diameter* from absolute magnitude—10 m10 m *

Detected · 2 fields · 2 risk

  • cumulativeImpactProbability [risk · >2× (floor 1e-7)] · jpl-sentry=1.4751e-7 · esa-neocc=1.21e-8Aggregation windows differ (informational): JPL 2109-2115 vs ESA 2126-2126. Cumulative threshold still applies.
  • palermoScaleCumulative [risk · |Δ| > 0.5] · jpl-sentry=-8.52 · esa-neocc=-9.62Aggregation windows differ (informational): JPL 2109-2115 vs ESA 2126-2126. Cumulative threshold still applies.