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BEACON

Object

2019 GP21

2019GP21 · 2/3 sources · cross-match · 2 risk div.

Risk scales

TorinoT0
Palermo-6.77

Source: JPL Sentry

JPL window: 2039-2122·ESA years: 2072-2125·Last obs: 2019-04-04

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)—2039-21222072-2125
Cumulative impact probabilitythreshold: >2× (floor 1e-7)—3.961e-51.370e-6
Palermo Scalecumulativethreshold: |Δ| > 0.5—-6.77-8.22
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=0.0000396111598 · esa-neocc=0.00000137Aggregation windows differ (informational): JPL 2039-2122 vs ESA 2072-2125. Cumulative threshold still applies.
  • palermoScaleCumulative [risk · |Δ| > 0.5] · jpl-sentry=-6.77 · esa-neocc=-8.22Aggregation windows differ (informational): JPL 2039-2122 vs ESA 2072-2125. Cumulative threshold still applies.