← Dashboard
BEACON

Object

2021 XC2

2021XC2 · 2/3 sources · cross-match · 2 risk div.

Risk scales

TorinoT0
Palermo-7.70

Source: JPL Sentry

JPL window: 2069-2102·ESA years: 2076-2102·Last obs: 2021-12-04

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)—2069-21022076-2102
Cumulative impact probabilitythreshold: >2× (floor 1e-7)—5.631e-63.050e-7
Palermo Scalecumulativethreshold: |Δ| > 0.5—-7.70-8.87
Torino Scalemaxthreshold: exact—T0T0
Estimated diameter* from absolute magnitude—4 m4 m *

Detected · 2 fields · 2 risk

  • cumulativeImpactProbability [risk · >2× (floor 1e-7)] · jpl-sentry=0.000005630941 · esa-neocc=3.05e-7Aggregation windows differ (informational): JPL 2069-2102 vs ESA 2076-2102. Cumulative threshold still applies.
  • palermoScaleCumulative [risk · |Δ| > 0.5] · jpl-sentry=-7.7 · esa-neocc=-8.87Aggregation windows differ (informational): JPL 2069-2102 vs ESA 2076-2102. Cumulative threshold still applies.