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BEACON

Object

2021 UW1

2021UW1 · 2/3 sources · cross-match · 2 risk div.

Risk scales

TorinoT0
Palermo-5.45

Source: JPL Sentry

JPL window: 2092-2120·ESA years: 2092-2124·Last obs: 2021-10-30

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)—2092-21202092-2124
Cumulative impact probabilitythreshold: >2× (floor 1e-7)—1.829e-51.440e-6
Palermo Scalecumulativethreshold: |Δ| > 0.5—-5.45-6.50
Torino Scalemaxthreshold: exact—T0T0
Estimated diameter* from absolute magnitude—20 m21 m *

Detected · 2 fields · 2 risk

  • cumulativeImpactProbability [risk · >2× (floor 1e-7)] · jpl-sentry=0.000018288654 · esa-neocc=0.00000144Aggregation windows differ (informational): JPL 2092-2120 vs ESA 2092-2124. Cumulative threshold still applies.
  • palermoScaleCumulative [risk · |Δ| > 0.5] · jpl-sentry=-5.45 · esa-neocc=-6.5Aggregation windows differ (informational): JPL 2092-2120 vs ESA 2092-2124. Cumulative threshold still applies.