Newly discovered, blue-whale-size asteroid will fly super close to Earth Monday – and you can watch it live – Image for illustrative purposes only (Image credits: Unsplash)
A newly identified asteroid is set to make an unusually tight pass by Earth on Monday, May 18. Designated 2026 JH2, the object measures as much as 115 feet across, comparable in length to a blue whale. Its path will bring it nearer to the planet than some operational satellites, creating a brief window for observation by both professional astronomers and interested sky watchers.
Key Details of the Close Approach
The asteroid was spotted only recently, allowing limited time for precise tracking before the flyby. At its nearest point, 2026 JH2 will remain well outside Earth’s atmosphere yet inside the altitude range used by many communications and navigation satellites. This proximity makes the event notable for orbital monitoring teams who routinely track objects that share similar distances from the surface.
Size estimates place the asteroid at the upper end of the range for objects that can be detected at such distances with current survey telescopes. Its trajectory has been calculated to show no risk of impact, consistent with the vast majority of near-Earth objects that pass harmlessly each year.
How to Follow the Flyby
Observers with modest telescopes or binoculars may be able to locate the asteroid under dark skies once it reaches peak brightness during the approach. Real-time tracking data will be available through established astronomy networks, and several organizations plan to stream the passage live for those without access to equipment.
The livestreams will combine telescope feeds with orbital graphics, allowing viewers to see the object’s motion against background stars. Timing will be critical, as the asteroid will move quickly across the sky during the hours surrounding closest approach.
Why This Detection Matters
Early identification of objects like 2026 JH2 improves the accuracy of long-term orbital catalogs used by space agencies. Such data helps refine models that predict future encounters and supports planning for any future missions that might study similar small bodies up close.
The event also underscores the ongoing work of wide-field survey programs that scan the night sky nightly for previously unknown asteroids. Each new discovery adds to the inventory of objects whose paths are now known well enough to rule out collisions decades in advance.
Key facts at a glance
- Asteroid designation: 2026 JH2
- Estimated size: up to 115 feet
- Closest approach: Monday, May 18
- Distance: inside some satellite orbits
- Viewing: visible with telescopes; livestream available
Continued monitoring after Monday will confirm the asteroid’s exact path and help update predictions for any future returns. For now, the focus remains on capturing clear observations during this single, well-timed passage.