curl -X POST https://sim.rotastellar.com/v1/propagate \ -H "Content-Type: application/json" \ -d '{ "elements": { "altitude_km": 550, "inclination_deg": 53 }, "start": "2026-03-08T12:00:00Z", "end": "2026-03-08T14:00:00Z", "step_s": 60 }'
{ "trajectory": [ { "t": "2026-03-08T12:00:00Z", "lat": 42.15, "lon": -73.82, "altitude_km": 550.3, "velocity_km_s": 7.59, "in_eclipse": false, "orbit_fraction": 0.000 }, { "t": "2026-03-08T12:01:00Z", "lat": 42.58, "lon": -72.14, "altitude_km": 550.3, "velocity_km_s": 7.59, "in_eclipse": false, "orbit_fraction": 0.010 } ], "count": 121, "start": "2026-03-08T12:00:00Z", "end": "2026-03-08T14:00:00Z", "step_s": 60 }
Generate full satellite trajectory as a time series over up to 48 hours
https://sim.rotastellar.com