Alert Subscriptions
Get email alerts for high-risk conjunctions, maneuvers, and reentry predictions
Subscribe to Alerts
Enter your email to receive space situational awareness alerts
You can unsubscribe at any time by clicking the link in any alert email.
What You'll Receive
Conjunction Alerts
Immediate notification when satellites have high-risk close approaches (Pc > 1e-4)
Maneuver Detection
Get notified when satellites perform orbital maneuvers based on TLE analysis
Decay Predictions
Advance warning for objects predicted to reenter Earth's atmosphere
Pro Tip: Watchlist Alerts
Add specific satellites to your watchlist to receive targeted alerts only for your assets of interest.
Manage WatchlistWebhook Integration
For programmatic access, configure webhooks to receive real-time alerts via HTTP POST.
View payload format
{
"alert_type": "conjunction_pc",
"timestamp": "2026-01-07T14:30:00Z",
"event": {
"sat1_id": 25544,
"sat2_id": 12345,
"probability_collision": 1.5e-3,
"tca": "2026-01-08T14:30:00Z"
}
}