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BEACON

Object

2020 HQ4

2020HQ4 · 2/3 sources · cross-match · 1 risk div.

Risk scales

TorinoT0
Palermo-5.28

Source: JPL Sentry

JPL window: 2051-2122·Last obs: 2020-05-19

Close approach

Miss distance sketch — not a real orbit plot.

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ESA NEOCC
0.010787 au · 4.20 LD
2027-03-14 · 3.30 km/s

Sources

Amber = past cut. Risk 1 · fields 1.

2/3 sources · match
FieldJPL CADnot presentJPL SentryNASA/JPLESA NEOCCESA Aegis
Close-approach datethreshold: date2027-03-14
Miss distanceauthreshold: 3% rel0.010787
Relative velocitykm/sthreshold: 1% rel3.30
Cumulative impact probabilitythreshold: >2× (floor 1e-7)8.924e-53.710e-5
Palermo Scalecumulativethreshold: |Δ| > 0.5-5.28-5.75
Torino Scalemaxthreshold: exactT0T0
Estimated diameter* from absolute magnitude14 m15 m *

Detected · 1 fields · 1 risk

  • cumulativeImpactProbability [risk · >2× (floor 1e-7)] · jpl-sentry=0.0000892405099 · esa-neocc=0.0000371