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BEACON

Object

2021HH

2021HH · 1/3 sources

Close approach

Miss distance sketch — not a real orbit plot.

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ESA NEOCC
0.018372 au · 7.15 LD
2026-10-25 · 16.80 km/s

Sources

Amber = past cut. Risk 0 · fields 0.

1/3 sources
FieldJPL CADnot presentJPL Sentrynot presentESA NEOCCESA Aegis
Close-approach datethreshold: date2026-10-25
Miss distanceauthreshold: 3% rel0.018372
Relative velocitykm/sthreshold: 1% rel16.80
Cumulative impact probabilitythreshold: >2× (floor 1e-7)
Palermo Scalecumulativethreshold: |Δ| > 0.5
Torino Scalemaxthreshold: exact
Estimated diameter* from absolute magnitude40 m *