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BEACON

Object

2021 HY9

2021HY9 · 2/3 sources · cross-match · 2 risk div.

Risk scales

TorinoT0
Palermo-7.03

Source: JPL Sentry

JPL window: 2101-2101·Last obs: 2021-04-22

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
Cumulative impact probabilitythreshold: >2× (floor 1e-7)4.803e-62.280e-9
Palermo Scalecumulativethreshold: |Δ| > 0.5-7.03-10.37
Torino Scalemaxthreshold: exactT0T0
Estimated diameter* from absolute magnitude8 m9 m *

Detected · 2 fields · 2 risk

  • cumulativeImpactProbability [risk · >2× (floor 1e-7)] · jpl-sentry=0.000004803 · esa-neocc=2.28e-9
  • palermoScaleCumulative [risk · |Δ| > 0.5] · jpl-sentry=-7.03 · esa-neocc=-10.37