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BEACON

Object

2018 GD2

2018GD2 · 2/3 sources · cross-match

Risk scales

TorinoT0
Palermo-7.96

Source: JPL Sentry

JPL window: 2101-2122·ESA years: 2096-2122·Last obs: 2018-04-12

Sources

Amber = past cut. Risk 0 · fields 0.

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)—2101-21222096-2122
Cumulative impact probabilitythreshold: >2× (floor 1e-7)—3.465e-61.930e-6
Palermo Scalecumulativethreshold: |Δ| > 0.5—-7.96-8.18
Torino Scalemaxthreshold: exact—T0T0
Estimated diameter* from absolute magnitude—4 m4 m *