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BEACON

Object

2021 XV4

2021XV4 · 2/3 sources · cross-match · 1 risk div.

Risk scales

TorinoT0
Palermo-7.94

Source: JPL Sentry

JPL window: 2090-2103·Last obs: 2021-12-09

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
Cumulative impact probabilitythreshold: >2× (floor 1e-7)5.061e-71.680e-7
Palermo Scalecumulativethreshold: |Δ| > 0.5-7.94-8.44
Torino Scalemaxthreshold: exactT0T0
Estimated diameter* from absolute magnitude7 m7 m *

Detected · 1 fields · 1 risk

  • cumulativeImpactProbability [risk · >2× (floor 1e-7)] · jpl-sentry=5.061e-7 · esa-neocc=1.68e-7