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BEACON

Object

2019 CJ4

2019CJ4 · 2/3 sources · cross-match · 1 risk div.

Risk scales

TorinoT0
Palermo-6.12

Source: JPL Sentry

JPL window: 2075-2121·ESA years: 2075-2126·Last obs: 2019-03-09

Sources

Amber = past cut. Risk 1 · fields 1.

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)—2075-21212075-2126
Cumulative impact probabilitythreshold: >2× (floor 1e-7)—2.321e-67.340e-7
Palermo Scalecumulativethreshold: |Δ| > 0.5—-6.12-6.57
Torino Scalemaxthreshold: exact—T0T0
Estimated diameter* from absolute magnitude—28 m29 m *

Detected · 1 fields · 1 risk

  • cumulativeImpactProbability [risk · >2× (floor 1e-7)] · jpl-sentry=0.0000023208024 · esa-neocc=7.34e-7Aggregation windows differ (informational): JPL 2075-2121 vs ESA 2075-2126. Cumulative threshold still applies.