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BEACON

Object

2012 XL55

2012XL55 · 2/3 sources · cross-match · 1 risk div.

Risk scales

TorinoT0
Palermo-8.28

Source: JPL Sentry

JPL window: 2056-2082·ESA years: 2036-2092·Last obs: 2012-12-10

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)—2056-20822036-2092
Cumulative impact probabilitythreshold: >2× (floor 1e-7)—2.001e-81.380e-9
Palermo Scalecumulativethreshold: |Δ| > 0.5—-8.28-9.74
Torino Scalemaxthreshold: exact—T0T0
Estimated diameter* from absolute magnitude—13 m13 m *

Detected · 1 fields · 1 risk

  • palermoScaleCumulative [risk · |Δ| > 0.5] · jpl-sentry=-8.28 · esa-neocc=-9.74Aggregation windows differ (informational): JPL 2056-2082 vs ESA 2036-2092. Cumulative threshold still applies.