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BEACON

Object

2011 BL45

2011BL45 · 2/3 sources · cross-match · 2 risk div.

Risk scales

TorinoT0
Palermo-4.31

Source: JPL Sentry

JPL window: 2050-2122·ESA years: 2050-2118·Last obs: 2011-02-12

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)2050-21222050-2118
Cumulative impact probabilitythreshold: >2× (floor 1e-7)1.030e-37.720e-5
Palermo Scalecumulativethreshold: |Δ| > 0.5-4.31-5.38
Torino Scalemaxthreshold: exactT0T0
Estimated diameter* from absolute magnitude13 m14 m *

Detected · 2 fields · 2 risk

  • cumulativeImpactProbability [risk · >2× (floor 1e-7)] · jpl-sentry=0.0010298487279 · esa-neocc=0.0000772Aggregation windows differ (informational): JPL 2050-2122 vs ESA 2050-2118. Cumulative threshold still applies.
  • palermoScaleCumulative [risk · |Δ| > 0.5] · jpl-sentry=-4.31 · esa-neocc=-5.38Aggregation windows differ (informational): JPL 2050-2122 vs ESA 2050-2118. Cumulative threshold still applies.