Table 2. Simulation input parameters by each payload

Inputs AIS EO/IR SAR RF
Simulation Time Starting Time: Jan.1,2030, Duration: 7days, Timestep: 5 seconds
Ground Points 54 lattice points around Korea Peninsula (33°N–43°N, 119°E–135°E)
Orbit: Altitude 500 km, Circular Orbit
Orbit: Propagator J2 Perturbation
Orbit: Inclination 45° 98° SSO 45° 45°
Payload: FOV 120° 60° Incidence Angle 15° < FOV < 35° 60°
Payload Specific Characteristics Simple Conic Simple Conic 70° FOV Access–30° FOV Access Formation flight of 3 SATs, receiving simultaneously
Post-Processing Strategy from Access chart N/A N/A (Unconstrained) Deduct 30° FOV Contact Sequence from 70° FOV Contacts Consider valid contact only if ≥ 3 SATs contacts single GS
AIS, automatic identification system; EO/IR, electro-optic/infra-red; SAR, synthetic aperture radar; RF, radio-frequency; SSO, sun synchronous orbit; FOV, field-of-view; SATs, satellites; GS, ground station.