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) ✔