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BEACON

Object

2018 SD2

2018SD2 · 2/3 sources · cross-match

Risk scales

TorinoT0
Palermo-6.05

Source: JPL Sentry

JPL window: 2065-2120·ESA years: 2065-2124·Last obs: 2018-09-23

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)—2065-21202065-2124
Cumulative impact probabilitythreshold: >2× (floor 1e-7)—8.403e-54.870e-5
Palermo Scalecumulativethreshold: |Δ| > 0.5—-6.05-6.24
Torino Scalemaxthreshold: exact—T0T0
Estimated diameter* from absolute magnitude—7 m7 m *