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BEACON

Object

2013 WZ44

2013WZ44 · 2/3 sources · cross-match · 2 risk div.

Risk scales

TorinoT0
Palermo-5.47

Source: JPL Sentry

JPL window: 2111-2117·ESA years: 2111-2125·Last obs: 2013-12-22

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 (ESA 0.1 km/s)———
Risk yearsaggregation windows differ (informational)—2111-21172111-2125
Cumulative impact probabilitythreshold: >2× (floor 1e-7)—1.251e-54.270e-5
Palermo Scalecumulativethreshold: |Δ| > 0.5—-5.47-4.90
Torino Scalemaxthreshold: exact—T0T0
Estimated diameter* from absolute magnitude—25 m26 m *

Detected · 2 fields · 2 risk

  • cumulativeImpactProbability [risk · >2× (floor 1e-7)] · jpl-sentry=0.000012505575 · esa-neocc=0.0000427Aggregation windows differ (informational): JPL 2111-2117 vs ESA 2111-2125. Cumulative threshold still applies.
  • palermoScaleCumulative [risk · |Δ| > 0.5] · jpl-sentry=-5.47 · esa-neocc=-4.9Aggregation windows differ (informational): JPL 2111-2117 vs ESA 2111-2125. Cumulative threshold still applies.