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BEACON

Object

2021 SQ

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

Risk scales

TorinoT0
Palermo-5.15

Source: JPL Sentry

JPL window: 2062-2071·ESA years: 2062-2068·Last obs: 2021-09-25

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)—2062-20712062-2068
Cumulative impact probabilitythreshold: >2× (floor 1e-7)—2.535e-41.010e-3
Palermo Scalecumulativethreshold: |Δ| > 0.5—-5.15-4.48
Torino Scalemaxthreshold: exact—T0T0
Estimated diameter* from absolute magnitude—7 m7 m *

Detected · 2 fields · 2 risk

  • cumulativeImpactProbability [risk · >2× (floor 1e-7)] · jpl-sentry=0.00025352797 · esa-neocc=0.00101Aggregation windows differ (informational): JPL 2062-2071 vs ESA 2062-2068. Cumulative threshold still applies.
  • palermoScaleCumulative [risk · |Δ| > 0.5] · jpl-sentry=-5.15 · esa-neocc=-4.48Aggregation windows differ (informational): JPL 2062-2071 vs ESA 2062-2068. Cumulative threshold still applies.