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BEACON

Object

2015 XH55

2015XH55 · 2/3 sources · cross-match · 1 risk div.

Risk scales

TorinoT0
Palermo-7.87

Source: JPL Sentry

JPL window: 2076-2121·ESA years: 2092-2121·Last obs: 2015-12-06

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)—2076-21212092-2121
Cumulative impact probabilitythreshold: >2× (floor 1e-7)—2.911e-61.340e-6
Palermo Scalecumulativethreshold: |Δ| > 0.5—-7.87-8.25
Torino Scalemaxthreshold: exact—T0T0
Estimated diameter* from absolute magnitude—5 m5 m *

Detected · 1 fields · 1 risk

  • cumulativeImpactProbability [risk · >2× (floor 1e-7)] · jpl-sentry=0.000002911071 · esa-neocc=0.00000134Aggregation windows differ (informational): JPL 2076-2121 vs ESA 2092-2121. Cumulative threshold still applies.