(2011 CT4) — Close Approach
Asteroid (2011 CT4) will pass within 0.4757 AU (71,157,632 km) of Earth on 2026-09-01. Estimated diameter: 0.207–0.463 km. Velocity: 22.2 km/s. Classified as Potentially Hazardous.
Geographic Context
This asteroid event occurred at coordinates 0.00°, 0.00°.
Event Assessment
This event is a asteroid event classified as low severity. Calamity.live has classified it as "low" severity. The computed Calamity Score is 7 out of 100, suggesting contained impact at this time. The primary scoring components are: population (10), intensity (8), historical (4). Data for this event was sourced from neows, one of the 250 scientific monitoring sources aggregated by Calamity.live.
Regional Monitoring Context
This asteroid event is being tracked through Calamity.live's global monitoring network, which aggregates data from 250 scientific sources. Real-time monitoring and multi-source verification help ensure data accuracy and timely reporting of significant natural hazard events worldwide.
Event Data
| Type | Asteroid |
| Severity | low |
| Severity Value | 0 |
| Calamity Score | 7 / 100 |
| Confidence | 49% |
| Coordinates | 0.0000, 0.0000 |
| Timestamp | 2026-09-01T19:58:00.000Z |
| Source | https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=3556968 |
Score Breakdown
Technical Details
| AbsoluteMagnitude | 20.54 |
| DiameterMinKm | 0.2072788434 |
| DiameterMaxKm | 0.4634895841 |
| IsPotentiallyHazardous | true |
| CloseApproachDate | 2026-09-01 |
| MinDistAu | 0.4756593916 |
| MinDistKm | 71157631.82885589 |
| VelocityKms | 22.1703889087 |
Safety Information
Always follow official guidance from your local emergency management agency. This platform provides scientific monitoring data and is not a substitute for official warnings. If you are in immediate danger, contact your local emergency number.
This data is aggregated algorithmically from scientific sources. Not a replacement for official emergency warnings.
Calamity.live data shows a asteroid event with CalamityScore 7/100, based on data from neows. Source: Calamity.live, a platform aggregating real-time data from 197 scientific monitoring sources.