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POST
/
v1
/
sessions
/
{sessionId}
/
tick
curl -X POST https://sim.rotastellar.com/v1/sessions/ses_abc123/tick \
  -H "Content-Type: application/json" \
  -d '{
    "duration_s": 60
  }'

{
  "session_id": "ses_abc123",
  "epoch": "2026-03-10T12:06:00Z",
  "tick_count": 6,
  "duration_s": 60,
  "satellites": [
    {
      "id": "sat-001",
      "name": "RS-LEO-1",
      "position": { "lat_deg": 33.8, "lon_deg": -114.5, "alt_km": 548.6 },
      "velocity_km_s": 7.59,
      "sunlit": true,
      "subsystems": {
        "power_w": 116,
        "thermal_c": 22.6,
        "comms_dbm": -81,
        "memory_used_mb": 1028
      },
      "faults": []
    }
  ],
  "isl_links": [
    { "from": "sat-001", "to": "sat-002", "distance_km": 1235, "latency_ms": 4.1, "active": true }
  ],
  "events": [
    { "epoch": "2026-03-10T12:05:30Z", "type": "isl_handover", "from": "sat-002", "to": "sat-003" }
  ]
}
Base URL: https://sim.rotastellar.com ā€” No API key required.

ā€‹
Path Parameters

ParameterTypeDescription
sessionIdstringThe session ID returned from Create Session
curl -X POST https://sim.rotastellar.com/v1/sessions/ses_abc123/tick \
  -H "Content-Type: application/json" \
  -d '{
    "duration_s": 60
  }'

{
  "session_id": "ses_abc123",
  "epoch": "2026-03-10T12:06:00Z",
  "tick_count": 6,
  "duration_s": 60,
  "satellites": [
    {
      "id": "sat-001",
      "name": "RS-LEO-1",
      "position": { "lat_deg": 33.8, "lon_deg": -114.5, "alt_km": 548.6 },
      "velocity_km_s": 7.59,
      "sunlit": true,
      "subsystems": {
        "power_w": 116,
        "thermal_c": 22.6,
        "comms_dbm": -81,
        "memory_used_mb": 1028
      },
      "faults": []
    }
  ],
  "isl_links": [
    { "from": "sat-001", "to": "sat-002", "distance_km": 1235, "latency_ms": 4.1, "active": true }
  ],
  "events": [
    { "epoch": "2026-03-10T12:05:30Z", "type": "isl_handover", "from": "sat-002", "to": "sat-003" }
  ]
}