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BEACON

Object

2017 UM52

2017UM52 · 2/3 sources · cross-match · 2 risk div.

Risk scales

TorinoT0
Palermo-6.35

Source: JPL Sentry

JPL window: 2087-2122·ESA years: 2087-2119·Last obs: 2017-10-28

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)—2087-21222087-2119
Cumulative impact probabilitythreshold: >2× (floor 1e-7)—1.588e-42.470e-5
Palermo Scalecumulativethreshold: |Δ| > 0.5—-6.35-7.08
Torino Scalemaxthreshold: exact—T0T0
Estimated diameter* from absolute magnitude—4 m5 m *

Detected · 2 fields · 2 risk

  • cumulativeImpactProbability [risk · >2× (floor 1e-7)] · jpl-sentry=0.0001588246715 · esa-neocc=0.0000247Aggregation windows differ (informational): JPL 2087-2122 vs ESA 2087-2119. Cumulative threshold still applies.
  • palermoScaleCumulative [risk · |Δ| > 0.5] · jpl-sentry=-6.35 · esa-neocc=-7.08Aggregation windows differ (informational): JPL 2087-2122 vs ESA 2087-2119. Cumulative threshold still applies.