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BEACON

Object

2020 SY4

2020SY4 · 2/3 sources · cross-match · 1 risk div.

Risk scales

TorinoT0
Palermo-6.83

Source: JPL Sentry

JPL window: 2069-2112·ESA years: 2069-2124·Last obs: 2020-09-28

Sources

Amber = past cut. Risk 1 · fields 1.

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)—2069-21122069-2124
Cumulative impact probabilitythreshold: >2× (floor 1e-7)—2.102e-68.210e-7
Palermo Scalecumulativethreshold: |Δ| > 0.5—-6.83-7.15
Torino Scalemaxthreshold: exact—T0T0
Estimated diameter* from absolute magnitude—11 m12 m *

Detected · 1 fields · 1 risk

  • cumulativeImpactProbability [risk · >2× (floor 1e-7)] · jpl-sentry=0.0000021023862 · esa-neocc=8.21e-7Aggregation windows differ (informational): JPL 2069-2112 vs ESA 2069-2124. Cumulative threshold still applies.