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BEACON

Object

2024 EJ4

2024EJ4 · 2/3 sources · cross-match · 2 risk div.

Risk scales

TorinoT0
Palermo-9.16

Source: JPL Sentry

JPL window: 2073-2102·ESA years: 2088-2088·Last obs: 2024-03-13

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)—2073-21022088-2088
Cumulative impact probabilitythreshold: >2× (floor 1e-7)—1.475e-78.910e-11
Palermo Scalecumulativethreshold: |Δ| > 0.5—-9.16-12.31
Torino Scalemaxthreshold: exact—T0T0
Estimated diameter* from absolute magnitude—4 m5 m *

Detected · 2 fields · 2 risk

  • cumulativeImpactProbability [risk · >2× (floor 1e-7)] · jpl-sentry=1.475e-7 · esa-neocc=8.91e-11Aggregation windows differ (informational): JPL 2073-2102 vs ESA 2088-2088. Cumulative threshold still applies.
  • palermoScaleCumulative [risk · |Δ| > 0.5] · jpl-sentry=-9.16 · esa-neocc=-12.31Aggregation windows differ (informational): JPL 2073-2102 vs ESA 2088-2088. Cumulative threshold still applies.