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BEACON

Object

2015 TL21

2015TL21 · 2/3 sources · cross-match

Risk scales

TorinoT0
Palermo-6.05

Source: JPL Sentry

JPL window: 2061-2103·ESA years: 2061-2103·Last obs: 2015-10-19

Sources

Amber = past cut. Risk 0 · fields 0.

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 yearscumulative aggregation window—2061-21032061-2103
Cumulative impact probabilitythreshold: >2× (floor 1e-7)—3.476e-63.040e-6
Palermo Scalecumulativethreshold: |Δ| > 0.5—-6.05-6.01
Torino Scalemaxthreshold: exact—T0T0
Estimated diameter* from absolute magnitude—18 m19 m *