← Dashboard
BEACON

Object

2017 SA21

2017SA21 · 2/3 sources · cross-match · 1 risk div.

Risk scales

TorinoT0
Palermo-8.60

Source: JPL Sentry

JPL window: 2056-2081·Last obs: 2017-10-01

Sources

Amber = past cut. Risk 1 · fields 1.

2/3 sources · match
FieldJPL CADnot presentJPL SentryNASA/JPLESA NEOCCESA Aegis
Close-approach datethreshold: date
Miss distanceauthreshold: 3% rel
Relative velocitykm/sthreshold: 1% rel
Cumulative impact probabilitythreshold: >2× (floor 1e-7)8.148e-88.840e-9
Palermo Scalecumulativethreshold: |Δ| > 0.5-8.60-9.50
Torino Scalemaxthreshold: exactT0T0
Estimated diameter* from absolute magnitude7 m8 m *

Detected · 1 fields · 1 risk

  • palermoScaleCumulative [risk · |Δ| > 0.5] · jpl-sentry=-8.6 · esa-neocc=-9.5