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BEACON

Object

2020 HN3

2020HN3 · 2/3 sources · cross-match · 2 risk div.

Risk scales

TorinoT0
Palermo-8.17

Source: JPL Sentry

JPL window: 2099-2118·ESA years: 2080-2126·Last obs: 2020-04-22

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)—2099-21182080-2126
Cumulative impact probabilitythreshold: >2× (floor 1e-7)—3.086e-65.360e-7
Palermo Scalecumulativethreshold: |Δ| > 0.5—-8.17-8.85
Torino Scalemaxthreshold: exact—T0T0
Estimated diameter* from absolute magnitude—4 m4 m *

Detected · 2 fields · 2 risk

  • cumulativeImpactProbability [risk · >2× (floor 1e-7)] · jpl-sentry=0.000003086308 · esa-neocc=5.36e-7Aggregation windows differ (informational): JPL 2099-2118 vs ESA 2080-2126. Cumulative threshold still applies.
  • palermoScaleCumulative [risk · |Δ| > 0.5] · jpl-sentry=-8.17 · esa-neocc=-8.85Aggregation windows differ (informational): JPL 2099-2118 vs ESA 2080-2126. Cumulative threshold still applies.