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BEACON

Object

2021 VT4

2021VT4 · 2/3 sources · cross-match · 2 risk div.

Risk scales

TorinoT0
Palermo-6.20

Source: JPL Sentry

JPL window: 2058-2108·ESA years: 2058-2108·Last obs: 2021-11-11

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 yearscumulative aggregation window—2058-21082058-2108
Cumulative impact probabilitythreshold: >2× (floor 1e-7)—2.650e-66.310e-7
Palermo Scalecumulativethreshold: |Δ| > 0.5—-6.20-6.96
Torino Scalemaxthreshold: exact—T0T0
Estimated diameter* from absolute magnitude—13 m14 m *

Detected · 2 fields · 2 risk

  • cumulativeImpactProbability [risk · >2× (floor 1e-7)] · jpl-sentry=0.0000026497 · esa-neocc=6.31e-7
  • palermoScaleCumulative [risk · |Δ| > 0.5] · jpl-sentry=-6.2 · esa-neocc=-6.96