NorthStar's Si² services combine space-observation data with analytics for object tracking, conjunction and event detection, navigation assistance, forensics and simulation. Customers can procure subscription or pay-per-use services. New onboard AI and Kepler-hosted optical sensors are expansion projects; service coverage and latency should be assessed against the operating data sources available for the customer's orbit and mission.
Technical detail
Core features
Object tracking and identification, conjunction warnings and event detection
Launch-to-deorbit navigation assistance, data fusion, forensics and simulation
ESA/CSA-supported development of onboard faint-object detection to reduce downlink requirements
Kepler hosted-sensor and optical-relay agreements for future network expansion
Space domain awareness
Optical sensing
Orbit determination
Data fusion
Edge AI
Use & integration
Recorded applications
Space-object tracking and collision-risk assessment
Orbital event detection and characterization
Mission planning and spaceflight safety support
These describe the reviewed application scope, not confirmed deployments, released requirements or procurement eligibility.
Evidence of maturity
Commercial analytics and monitoring services with further sensor development underway. Kepler's September 2026 launch announcement places Tranche-2 infrastructure supporting NorthStar among planned 2028 deployments.
Commercial availability
Subscription and pay-per-use engagement; request orbit-specific coverage, latency, data provenance and service terms, including dependencies on third-party observations and future hosted payloads.
Integration and verification
Readiness
A technology readiness level is not established by the reviewed public sources.
The publicly described Space situational awareness offering may be relevant to monitoring or remote-operation use cases; this is a derived mapping for reviewer assessment.
This is a reviewed public-source assessment. It is not procurement eligibility, endorsement, customer interest, or classified demand.
Original sources 5 linked records
These records support this capability and its published Mission area and Defence need connections. A source count is not a count of independent confirmations.
NorthStar markets subscription and pay-per-use navigation assistance, conjunction/event detection, object tracking and identification, data fusion, forensics and simulation. Space-page continuous-custody language includes future constellation goals; no public service-level schedule is supplied.
Supports: Capability · technical tags
NorthStar markets subscription and pay-per-use navigation assistance, conjunction/event detection, object tracking and identification, data fusion, forensics and simulation. Space-page continuous-custody language includes future constellation goals; no public service-level schedule is supplied.
Supports: Capability · technical tags
NorthStar markets subscription and pay-per-use navigation assistance, conjunction/event detection, object tracking and identification, data fusion, forensics and simulation. Space-page continuous-custody language includes future constellation goals; no public service-level schedule is supplied.
Supports: Capability · capability type
NorthStar markets subscription and pay-per-use navigation assistance, conjunction/event detection, object tracking and identification, data fusion, forensics and simulation. Space-page continuous-custody language includes future constellation goals; no public service-level schedule is supplied.
Supports: Capability · technical tags
NorthStar markets subscription and pay-per-use navigation assistance, conjunction/event detection, object tracking and identification, data fusion, forensics and simulation. Space-page continuous-custody language includes future constellation goals; no public service-level schedule is supplied.
Supports: Capability · core features
NorthStar markets subscription and pay-per-use navigation assistance, conjunction/event detection, object tracking and identification, data fusion, forensics and simulation. Space-page continuous-custody language includes future constellation goals; no public service-level schedule is supplied.
Supports: Capability · technicaldomainslugs
NorthStar markets subscription and pay-per-use navigation assistance, conjunction/event detection, object tracking and identification, data fusion, forensics and simulation. Space-page continuous-custody language includes future constellation goals; no public service-level schedule is supplied.
Supports: Capability · defence applications
NorthStar markets subscription and pay-per-use navigation assistance, conjunction/event detection, object tracking and identification, data fusion, forensics and simulation. Space-page continuous-custody language includes future constellation goals; no public service-level schedule is supplied.
Supports: Capability · defence applications
NorthStar markets subscription and pay-per-use navigation assistance, conjunction/event detection, object tracking and identification, data fusion, forensics and simulation. Space-page continuous-custody language includes future constellation goals; no public service-level schedule is supplied.
Supports: Capability · summary
NorthStar markets subscription and pay-per-use navigation assistance, conjunction/event detection, object tracking and identification, data fusion, forensics and simulation. Space-page continuous-custody language includes future constellation goals; no public service-level schedule is supplied.
Supports: Capability · technical tags
NorthStar markets subscription and pay-per-use navigation assistance, conjunction/event detection, object tracking and identification, data fusion, forensics and simulation. Space-page continuous-custody language includes future constellation goals; no public service-level schedule is supplied.
Supports: Capability · name
NorthStar markets subscription and pay-per-use navigation assistance, conjunction/event detection, object tracking and identification, data fusion, forensics and simulation. Space-page continuous-custody language includes future constellation goals; no public service-level schedule is supplied.
Supports: Capability · technicaldomainslugs
NorthStar markets subscription and pay-per-use navigation assistance, conjunction/event detection, object tracking and identification, data fusion, forensics and simulation. Space-page continuous-custody language includes future constellation goals; no public service-level schedule is supplied.
Supports: Capability · defence applications
NorthStar markets subscription and pay-per-use navigation assistance, conjunction/event detection, object tracking and identification, data fusion, forensics and simulation. Space-page continuous-custody language includes future constellation goals; no public service-level schedule is supplied.
Supports: Capability · commercial availability
NorthStar markets subscription and pay-per-use navigation assistance, conjunction/event detection, object tracking and identification, data fusion, forensics and simulation. Space-page continuous-custody language includes future constellation goals; no public service-level schedule is supplied.
Supports: Capability · technicaldomainslugs
NorthStar markets subscription and pay-per-use navigation assistance, conjunction/event detection, object tracking and identification, data fusion, forensics and simulation. Space-page continuous-custody language includes future constellation goals; no public service-level schedule is supplied.
Supports: Capability · technical tags
NorthStar markets subscription and pay-per-use navigation assistance, conjunction/event detection, object tracking and identification, data fusion, forensics and simulation. Space-page continuous-custody language includes future constellation goals; no public service-level schedule is supplied.
Supports: Capability · technology readiness level
NorthStar markets subscription and pay-per-use navigation assistance, conjunction/event detection, object tracking and identification, data fusion, forensics and simulation. Space-page continuous-custody language includes future constellation goals; no public service-level schedule is supplied.
Supports: Capability · maturity
NorthStar markets subscription and pay-per-use navigation assistance, conjunction/event detection, object tracking and identification, data fusion, forensics and simulation. Space-page continuous-custody language includes future constellation goals; no public service-level schedule is supplied.
Supports: Mission area · Autonomous Patrol and Monitoring
NorthStar markets subscription and pay-per-use navigation assistance, conjunction/event detection, object tracking and identification, data fusion, forensics and simulation. Space-page continuous-custody language includes future constellation goals; no public service-level schedule is supplied.
Supports: Mission area · Autonomous Patrol and Monitoring
NorthStar markets subscription and pay-per-use navigation assistance, conjunction/event detection, object tracking and identification, data fusion, forensics and simulation. Space-page continuous-custody language includes future constellation goals; no public service-level schedule is supplied.
Supports: Mission area · Autonomous Patrol and Monitoring
NorthStar markets subscription and pay-per-use navigation assistance, conjunction/event detection, object tracking and identification, data fusion, forensics and simulation. Space-page continuous-custody language includes future constellation goals; no public service-level schedule is supplied.
Supports: Mission area · Autonomous Patrol and Monitoring
NorthStar markets subscription and pay-per-use navigation assistance, conjunction/event detection, object tracking and identification, data fusion, forensics and simulation. Space-page continuous-custody language includes future constellation goals; no public service-level schedule is supplied.
The official capability material supports the named Space situational awareness offering and the bounded operational description prepared for reviewer consideration.
Kepler states on September 14, 2026 that ten Tranche-2 spacecraft have launch capacity reserved for a mid-2028 mission. That tranche supports hosted-payload programmes including NorthStar, establishing a future infrastructure milestone without a guaranteed date for every NorthStar sensor.
NorthStar announced an ESA/CSA-supported project on July 6, 2026 to develop onboard machine-learning detection of faint space objects, reduce downlink needs and increase observation throughput. This is a development project, not proof that the new edge models are operational across the fleet.
Supports: Capability · core features
NorthStar announced an ESA/CSA-supported project on July 6, 2026 to develop onboard machine-learning detection of faint space objects, reduce downlink needs and increase observation throughput. This is a development project, not proof that the new edge models are operational across the fleet.
NorthStar and Kepler announced hosted optical sensors and data relay agreements on August 27, 2026. These describe network expansion and future deployments, not completion of an operational hosted-sensor constellation. NorthStar identifies Montreal, Luxembourg and Virginia offices and names government customers as company-reported references.
Supports: Capability · core features
Public sources cited · Facts and assessments kept separate · Human review
NorthStar and Kepler announced hosted optical sensors and data relay agreements on August 27, 2026. These describe network expansion and future deployments, not completion of an operational hosted-sensor constellation. NorthStar identifies Montreal, Luxembourg and Virginia offices and names government customers as company-reported references.
