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BEACON

Object

2013 NJ4

2013NJ4 · 2/3 sources · cross-match · 2 risk div.

Risk scales

TorinoT0
Palermo-8.56

Source: JPL Sentry

JPL window: 2114-2114·Last obs: 2013-07-06

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)1.104e-72.500e-8
Palermo Scalecumulativethreshold: |Δ| > 0.5-8.56-9.17
Torino Scalemaxthreshold: exactT0T0
Estimated diameter* from absolute magnitude11 m13 m *

Detected · 2 fields · 2 risk

  • cumulativeImpactProbability [risk · >2× (floor 1e-7)] · jpl-sentry=1.104e-7 · esa-neocc=2.5e-8
  • palermoScaleCumulative [risk · |Δ| > 0.5] · jpl-sentry=-8.56 · esa-neocc=-9.17