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BEACON

Object

2019 LW4

2019LW4 · 2/3 sources · cross-match · 2 risk div.

Risk scales

TorinoT0
Palermo-4.25

Source: JPL Sentry

JPL window: 2083-2117·ESA years: 2083-2119·Last obs: 2019-06-08

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)2083-21172083-2119
Cumulative impact probabilitythreshold: >2× (floor 1e-7)1.013e-36.250e-5
Palermo Scalecumulativethreshold: |Δ| > 0.5-4.25-5.47
Torino Scalemaxthreshold: exactT0T0
Estimated diameter* from absolute magnitude12 m13 m *

Detected · 2 fields · 2 risk

  • cumulativeImpactProbability [risk · >2× (floor 1e-7)] · jpl-sentry=0.00101259782 · esa-neocc=0.0000625Aggregation windows differ (informational): JPL 2083-2117 vs ESA 2083-2119. Cumulative threshold still applies.
  • palermoScaleCumulative [risk · |Δ| > 0.5] · jpl-sentry=-4.25 · esa-neocc=-5.47Aggregation windows differ (informational): JPL 2083-2117 vs ESA 2083-2119. Cumulative threshold still applies.