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BEACON

Object

2017 LD

2017LD · 2/3 sources · cross-match · 2 risk div.

Risk scales

TorinoT0
Palermo-4.09

Source: JPL Sentry

JPL window: 2053-2126·ESA years: 2053-2126·Last obs: 2017-06-30

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 yearscumulative aggregation window—2053-21262053-2126
Cumulative impact probabilitythreshold: >2× (floor 1e-7)—2.526e-31.530e-2
Palermo Scalecumulativethreshold: |Δ| > 0.5—-4.09-3.10
Torino Scalemaxthreshold: exact—T0T0
Estimated diameter* from absolute magnitude—11 m12 m *

Detected · 2 fields · 2 risk

  • cumulativeImpactProbability [risk · >2× (floor 1e-7)] · jpl-sentry=0.0025264746695 · esa-neocc=0.0153
  • palermoScaleCumulative [risk · |Δ| > 0.5] · jpl-sentry=-4.09 · esa-neocc=-3.1