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BEACON

Object

2021 DA2

2021DA2 · 2/3 sources · cross-match · 1 risk div.

Risk scales

TorinoT0
Palermo-6.25

Source: JPL Sentry

JPL window: 2064-2122·ESA years: 2064-2126·Last obs: 2021-03-02

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)—2064-21222064-2126
Cumulative impact probabilitythreshold: >2× (floor 1e-7)—9.679e-54.340e-5
Palermo Scalecumulativethreshold: |Δ| > 0.5—-6.25-6.61
Torino Scalemaxthreshold: exact—T0T0
Estimated diameter* from absolute magnitude—5 m5 m *

Detected · 1 fields · 1 risk

  • cumulativeImpactProbability [risk · >2× (floor 1e-7)] · jpl-sentry=0.000096788582 · esa-neocc=0.0000434Aggregation windows differ (informational): JPL 2064-2122 vs ESA 2064-2126. Cumulative threshold still applies.