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BEACON

Object

2021 XK1

2021XK1 · 2/3 sources · cross-match

Risk scales

TorinoT0
Palermo-6.39

Source: JPL Sentry

JPL window: 2089-2121·ESA years: 2089-2112·Last obs: 2022-01-09

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)—2089-21212089-2112
Cumulative impact probabilitythreshold: >2× (floor 1e-7)—3.561e-62.000e-6
Palermo Scalecumulativethreshold: |Δ| > 0.5—-6.39-6.51
Torino Scalemaxthreshold: exact—T0T0
Estimated diameter* from absolute magnitude—19 m21 m *