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BEACON

Object

2021 NB

2021NB · 2/3 sources · cross-match · 2 risk div.

Risk scales

TorinoT0
Palermo-7.92

Source: JPL Sentry

JPL window: 2092-2092·ESA years: 2095-2095·Last obs: 2021-07-06

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)2092-20922095-2095
Cumulative impact probabilitythreshold: >2× (floor 1e-7)1.653e-71.220e-8
Palermo Scalecumulativethreshold: |Δ| > 0.5-7.92-9.10
Torino Scalemaxthreshold: exactT0T0
Estimated diameter* from absolute magnitude14 m16 m *

Detected · 2 fields · 2 risk

  • cumulativeImpactProbability [risk · >2× (floor 1e-7)] · jpl-sentry=1.653e-7 · esa-neocc=1.22e-8Aggregation windows differ (informational): JPL 2092-2092 vs ESA 2095-2095. Cumulative threshold still applies.
  • palermoScaleCumulative [risk · |Δ| > 0.5] · jpl-sentry=-7.92 · esa-neocc=-9.1Aggregation windows differ (informational): JPL 2092-2092 vs ESA 2095-2095. Cumulative threshold still applies.