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Introduction to CRISISINFO SBDB Alerts

CRISISINFO SBDB Alerts is an automated service that continuously monitors incoming NASA data and sends an email alert when an object approaches Earth's orbit at or near 300,000 km.

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Example of Email Content

Email Subject: 🚨 SBDB Close Approach Alert!

Asteroid: 2025 DQ

Distance: 300,184.92 km (0.002 AU)

Date: Fri Feb 21 2025 17:55:00 UTC

Velocity: 24,120 km/h [6.70 km/s]

Estimated Diameter: 29.73 meters