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BEACON

Object

2015 SG

2015SG · 2/3 sources · cross-match · 2 risk div.

Risk scales

TorinoT0
Palermo-6.16

Source: JPL Sentry

JPL window: 2104-2105·ESA years: 2098-2105·Last obs: 2015-10-15

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)—2104-21052098-2105
Cumulative impact probabilitythreshold: >2× (floor 1e-7)—7.146e-66.860e-5
Palermo Scalecumulativethreshold: |Δ| > 0.5—-6.16-5.11
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=0.00000714585 · esa-neocc=0.0000686Aggregation windows differ (informational): JPL 2104-2105 vs ESA 2098-2105. Cumulative threshold still applies.
  • palermoScaleCumulative [risk · |Δ| > 0.5] · jpl-sentry=-6.16 · esa-neocc=-5.11Aggregation windows differ (informational): JPL 2104-2105 vs ESA 2098-2105. Cumulative threshold still applies.