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BEACON

Object

2019 QR

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

Risk scales

TorinoT0
Palermo-7.46

Source: JPL Sentry

JPL window: 2089-2089·ESA years: 2126-2126·Last obs: 2019-08-25

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)—2089-20892126-2126
Cumulative impact probabilitythreshold: >2× (floor 1e-7)—2.462e-74.150e-10
Palermo Scalecumulativethreshold: |Δ| > 0.5—-7.46-10.34
Torino Scalemaxthreshold: exact—T0—
Estimated diameter* from absolute magnitude—19 m21 m *

Detected · 2 fields · 2 risk

  • cumulativeImpactProbability [risk · >2× (floor 1e-7)] · jpl-sentry=2.462e-7 · esa-neocc=4.15e-10Aggregation windows differ (informational): JPL 2089-2089 vs ESA 2126-2126. Cumulative threshold still applies.
  • palermoScaleCumulative [risk · |Δ| > 0.5] · jpl-sentry=-7.46 · esa-neocc=-10.34Aggregation windows differ (informational): JPL 2089-2089 vs ESA 2126-2126. Cumulative threshold still applies.