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BEACON

Object

2019 QD

2019QD · 2/3 sources · cross-match · 1 risk div.

Risk scales

TorinoT0
Palermo-8.85

Source: JPL Sentry

JPL window: 2112-2112·ESA years: 2073-2123·Last obs: 2019-08-21

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)—2112-21122073-2123
Cumulative impact probabilitythreshold: >2× (floor 1e-7)—1.211e-74.270e-8
Palermo Scalecumulativethreshold: |Δ| > 0.5—-8.85-9.28
Torino Scalemaxthreshold: exact—T0T0
Estimated diameter* from absolute magnitude—6 m6 m *

Detected · 1 fields · 1 risk

  • cumulativeImpactProbability [risk · >2× (floor 1e-7)] · jpl-sentry=1.211e-7 · esa-neocc=4.27e-8Aggregation windows differ (informational): JPL 2112-2112 vs ESA 2073-2123. Cumulative threshold still applies.