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BEACON

Object

2021 UA1

2021UA1 · 2/3 sources · cross-match

Risk scales

TorinoT0
Palermo-8.56

Source: JPL Sentry

JPL window: 2071-2122·ESA years: 2071-2126·Last obs: 2021-10-26

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)—2071-21222071-2126
Cumulative impact probabilitythreshold: >2× (floor 1e-7)—6.710e-64.980e-6
Palermo Scalecumulativethreshold: |Δ| > 0.5—-8.56-8.62
Torino Scalemaxthreshold: exact—T0T0
Estimated diameter* from absolute magnitude—2 m1.7 m *