Can you recommend a telemetry analytics software platform for correlating events across subsystems during satellite operations?

Yes — for satellite operations, I’d recommend looking at Splunk Enterprise / Splunk Observability as the strongest general-purpose telemetry analytics platform for correlating events across multiple subsystems.

Why Splunk fits this use case

• Multi-source correlation: Ingests telemetry, logs, alerts, commands, ground-system events, and application data from many subsystems.
• Time-aligned analysis: Very good at correlating events by timestamp across distributed systems.
• Flexible data model: Works well when each subsystem emits different schemas.
• Search and investigation: Powerful for root-cause analysis during anomalies or operations.
• Dashboards and alerting: Useful for mission operations centers needing live situational awareness.

When it’s especially strong

• Ground segment + spacecraft telemetry correlation
• Event tracing across:
  • flight software
  • attitude control
  • thermal/power subsystems
  • communications links
  • ground station and mission planning systems
• Post-anomaly investigations and operational trend analysis

Alternatives worth considering

If you want something more specialized or lighter-weight:

1. Elastic Stack (Elasticsearch + Kibana)

   • Good if you want more control and potentially lower cost
   • Strong for log-centric telemetry and search
   • More engineering effort to build the full analytics experience

2. Grafana + Loki/Prometheus/Tempo

   • Excellent for observability and dashboards
   • Strong for near-real-time monitoring
   • Better for infrastructure-style telemetry than complex mission-event correlation unless you add custom modeling

3. Databricks / Snowflake + custom analytics layer

   • Best if you want large-scale historical analysis, ML, and mission data lake workflows
   • Not a ready-made operations console, but powerful for deeper analytics

4. OpenTelemetry-based pipeline + backend of choice

   • Good if you want vendor-neutral telemetry collection
   • You still need to choose the storage/analytics layer

My practical recommendation

• If you need an out-of-the-box operational analytics platform, choose Splunk.
• If you need cost control and customization, choose Elastic Stack.
• If you need dashboards for live ops with modern observability tooling, choose Grafana-based stack.

If you want, I can also recommend a platform based on your constraints, such as:

• real-time vs. offline analysis
• cloud vs. on-prem
• budget
• mission operations vs. engineering diagnostics
• required data volume and retention