Near-Earth asteroid

2016 UX80

2016 UX80 is a near-Earth asteroid with an estimated diameter of 34–77 m (112–253 ft). It passes Earth on October 31, 2026 at about 39,089,492 km (101.7 lunar distances). NASA does not classify it as potentially hazardous.

Not potentially hazardous

34–77 m

Estimated diameter

24.44

Absolute magnitude (H)

Approaches within 0.2 au, 1900–2200

This week’s flyby

Closest approach: 2026-Oct-31 06:39 UTC
Miss distance: 39,089,492 km · 101.64 lunar distances · 0.2613 au
Relative speed: 19.6 km/s (43,847 mph)

Upcoming close approaches to Earth

1 approaches within 0.2 au (about 30 million km) are calculated from now to 2200. The closest in the 1900–2200 record is on October 27, 1963 at about 7,844,912 km.

Future Earth approaches (JPL Close Approach Data)
Date (TDB)	Nominal distance km	Lunar dist.	Speed km/s	Time uncertainty
2037-Oct-27 04:36	9,318,451	24.2	15.06	1_13:48

Recent past approaches

Past Earth approaches within 0.2 au since 1900 (JPL), most recent 7
Date (TDB)	Distance km	Lunar dist.	Speed km/s
2016-Oct-26 18:34	8,636,285	22.5	14.18
2005-Oct-29 08:11	29,176,073	75.9	18.02
1995-Oct-28 11:31	18,120,790	47.1	13.37
1984-Oct-27 03:58	14,276,125	37.1	15.83
1974-Oct-30 20:07	29,322,679	76.3	13.01
1963-Oct-27 07:20	7,844,912	20.4	14.48
1910-Oct-26 22:48	8,368,505	21.8	14.79

← All asteroids passing Earth this week

Sources

Size, hazard status and this week’s approach — NASA NeoWs (copy taken Oct 28, 2026, 2:39 AM EDT)
Close-approach list — JPL SBDB Close Approach Data API (copy taken Oct 28, 2026, 2:39 AM EDT)
Full orbit details — JPL Small-Body Database: 2016 UX80

Distances are nominal predictions and can change with new observations. OpenOrbit is not affiliated with or endorsed by NASA or JPL.