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BEACON

Object

2018 LD1

2018LD1 · 2/3 sources · cross-match · 2 risk div.

Risk scales

TorinoT0
Palermo-6.90

Source: JPL Sentry

JPL window: 2100-2121·ESA years: 2100-2100·Last obs: 2018-06-13

Sources

Amber = past cut. Risk 2 · fields 2.

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)—2100-21212100-2100
Cumulative impact probabilitythreshold: >2× (floor 1e-7)—1.180e-62.550e-8
Palermo Scalecumulativethreshold: |Δ| > 0.5—-6.90-8.38
Torino Scalemaxthreshold: exact—T0T0
Estimated diameter* from absolute magnitude—18 m19 m *

Detected · 2 fields · 2 risk

  • cumulativeImpactProbability [risk · >2× (floor 1e-7)] · jpl-sentry=0.000001180208 · esa-neocc=2.55e-8Aggregation windows differ (informational): JPL 2100-2121 vs ESA 2100-2100. Cumulative threshold still applies.
  • palermoScaleCumulative [risk · |Δ| > 0.5] · jpl-sentry=-6.9 · esa-neocc=-8.38Aggregation windows differ (informational): JPL 2100-2121 vs ESA 2100-2100. Cumulative threshold still applies.