Object Tracer

2021 UX1

Track asteroid 2021 UX1 on ObjectTracer's real-time 3D globe.

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Close Approach Data

Close Approach2026-Mar-29 12:10 UTC
Miss Distance40,469,552 km (105.233 Lunar Distances)
Velocity28,593 km/h (7.94 km/s)
Est. Diameter3.7–8.3 m
Hazardous✓ Not Hazardous
NASA ID54212691

What is 2021 UX1?

2021 UX1 is a near-Earth asteroid. It has an estimated diameter of 3.7–8.3 m. During its closest approach it will pass within 40,469,552 km of Earth — 105.233 times the distance from Earth to the Moon. ObjectTracer visualises this asteroid in real-time on an interactive 3D globe using NASA NeoWs data.

Track all near-Earth asteroids including PHAs, NEOs, and close approach objects on ObjectTracer's Asteroid Tracker.

What is a Near-Earth Object?

A Near-Earth Object (NEO) is an asteroid or comet whose orbit brings it close to Earth's. NASA tracks thousands of them via the NeoWs program, measuring miss distance in lunar distances (LD) — one LD is the average Earth–Moon distance, about 384,400 km.

Frequently asked questions

Will asteroid 2021 UX1 hit Earth?

No. 2021 UX1 passes Earth at a safe distance of about 40,469,552 km — 105.233 times the Earth–Moon distance. NASA does not classify it as hazardous.

How big is asteroid 2021 UX1?

2021 UX1 has an estimated diameter of 3.7–8.3 m, based on its brightness as measured by NASA.

When is 2021 UX1's closest approach to Earth?

2021 UX1 makes its close approach on 2026-Mar-29 12:10 UTC, travelling at about 28,593 km/h relative to Earth.

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