Product Features

Orbit Propagators

Product Two-Body Keplerian J2 Perturbations SGP4/SDP4
SC Modeler ✔ ✔ ✔
Periodic Coverage Analysis Module ✔ ✔ ✔
Continuous Coverage Analysis Module ✔ ✔ (circular orbits, elliptical "frozen" orbits)
Constraints Analysis Module ✔ ✔ (circular orbits, elliptical "frozen" orbits)
Network Topology Tools ✔ ✔ ✔
Periodic Coverage Constellation Design / Circular Orbits ✔
Continuous Coverage Constellation Design / Circular Orbits ✔ ✔ (circular orbits, elliptical "frozen" orbits)
Continuous Coverage Constellation Design / Advanced Options ✔ ✔ (circular orbits, elliptical "frozen" orbits)
Continuous Coverage Constellation Design / Advanced Options Plus ✔ ✔ (circular orbits, elliptical "frozen" orbits)
Interference Analysis of GSO and non-GSO satellites / EPFD Analysis ✔ ✔ ✔ (non-GSO satellites)
Network Traffic Analysis Module ✔ ✔ ✔

Access Constraints: "Satellite - Ground Station (Ground Object)," "Ground Station - Satellite"

Supported Features SC Modeler Periodic Coverage Analysis Module Constellation Design Modules Continuous Coverage Analysis Module
Conic Nadir-Pointing Field of View:
Cone Half-Angle (Min/Max) 		✔ ✔ ✔ (Max only) ✔ (Max only)
Conic Off-Nadir Pointing Field of View:
Cone Half-Angle (Min/Max), Cone Axis Elevation, Cone Axis Azimuth 		✔ ✔
Rectangular Field of View:
Horizontal Half-Angle (Min/Max), Vertical Half-Angle (Min/Max) 		✔ ✔
Custom Field of View:
Azimuth-Elevation (Min/Max) mask in the sensor's coordinate system, Axis Azimuth-Elevation 		✔ ✔
Multiple Satellite-mounted Antenna/Sensors ✔ ✔
Satellite - Ground Station Azimuth Angle (Min/Max) ✔ ✔
Satellite - Ground Station Elevation Angle (Min/Max) ✔ ✔
Ground Station - Satellite Elevation Angle (Min/Max) ✔ ✔ ✔ (Min only) ✔ (Min only)
Range (Min/Max) ✔ ✔ ✔ (Max only) ✔ (Max only)
Orbit Altitude (Min/Max) ✔ ✔
Range Rate (Min/Max) ✔ ✔
Satellite - Ground Station Azimuth Rate (Min/Max) ✔ ✔
Satellite - Ground Station Elevation Rate (Min/Max) ✔ ✔
Satellite - Ground Station Angular Rate (Min/Max) ✔ ✔
GSO Separation Angle (Min) ✔ ✔
Sun Elevation Angle (Min/Max) ✔ ✔
Satellite's Solar Exclusion Angle (Min) ✔ ✔

Constellation Design Modules

Supported Features Continuous Coverage Constellation Design / Circular Orbits Continuous Coverage Constellation Design / Advanced Options Continuous Coverage Constellation Design / Advanced Options Plus Periodic Coverage Constellation Design / Circular Orbits
Circular Orbits ✔ ✔ ✔ ✔
Elliptical Orbits ✔ ✔
Global Coverage or Multiple Latitude Bounds ✔ ✔ ✔ ✔
Continuous N-Satellite Coverage Constellation Design N = 1 ✔ ✔
Periodic Coverage Constellation Design ✔
"Streets of Coverage" Constellations with Polar or Inclined Orbits, Synchronized Planes ✔ ✔
"Streets of Coverage" Constellations with Polar or Inclined Orbits, Non-Synchronized Planes ✔
Kinematically Regular ("Walker delta") Constellations ✔ ✔ ✔ ✔
Kinematically Symmetric Constellations ✔

Network Topology and Routing

Supported Features SC Modeler Network Topology
Tools
Routing Metrics:
- Hops Count ✔ ✔
- Hops Count, Total Path Length ✔
- Total Path Length ✔
- Total Path Delay ✔
Hierarchical Search ✔
Path Search Frequency:
- Search at Each Step ✔ ✔
- Start a New Search in X Seconds ✔
- Wait while the Route is Valid ✔
Specifying Packet Delays:
- Access Delay ✔ ✔
- Average Processing and Queuing Delay at a Satellite Node ✔ ✔
Specifying Network Topology ✔
Specifying Inactive/Failed Nodes ✔
Specifying Inactive/Failed Connections ✔ (uplinks/downlinks, using the Access Constraints tool) ✔