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BEACON

Object

2009 JL2

2009JL2 · 2/3 sources · cross-match · 1 risk div.

Risk scales

TorinoT0
Palermo-5.51

Source: JPL Sentry

JPL window: 2057-2116·ESA years: 2057-2125·Last obs: 2009-05-13

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)—2057-21162057-2125
Cumulative impact probabilitythreshold: >2× (floor 1e-7)—8.158e-63.260e-6
Palermo Scalecumulativethreshold: |Δ| > 0.5—-5.51-5.89
Torino Scalemaxthreshold: exact—T0T0
Estimated diameter* from absolute magnitude—22 m23 m *

Detected · 1 fields · 1 risk

  • cumulativeImpactProbability [risk · >2× (floor 1e-7)] · jpl-sentry=0.000008157601 · esa-neocc=0.00000326Aggregation windows differ (informational): JPL 2057-2116 vs ESA 2057-2125. Cumulative threshold still applies.