curl -X POST https://sim.rotastellar.com/v1/state/batch \
-H "Content-Type: application/json" \
-d '{
"satellites": [
{
"id": "rs-leo-1",
"elements": { "altitude_km": 550, "inclination_deg": 51.6, "raan_deg": 0, "mean_anomaly_deg": 0 }
},
{
"id": "rs-leo-2",
"elements": { "altitude_km": 550, "inclination_deg": 51.6, "raan_deg": 0, "mean_anomaly_deg": 180 }
}
],
"timestamp": "2026-03-08T12:00:00Z"
}'
{
"states": {
"rs-leo-1": {
"lat": 42.15,
"lon": -73.82,
"altitude_km": 550.3,
"velocity_km_s": 7.59,
"in_eclipse": false,
"orbit_fraction": 0.234
},
"rs-leo-2": {
"lat": -38.90,
"lon": 106.18,
"altitude_km": 550.1,
"velocity_km_s": 7.59,
"in_eclipse": true,
"orbit_fraction": 0.734
}
},
"timestamp": "2026-03-08T12:00:00Z",
"count": 2
}
{
"error": "too_many",
"message": "Maximum 100 satellites per batch request"
}
Sim
Batch State
Compute orbital state for up to 100 satellites at once
POST
/
v1
/
state
/
batch
curl -X POST https://sim.rotastellar.com/v1/state/batch \
-H "Content-Type: application/json" \
-d '{
"satellites": [
{
"id": "rs-leo-1",
"elements": { "altitude_km": 550, "inclination_deg": 51.6, "raan_deg": 0, "mean_anomaly_deg": 0 }
},
{
"id": "rs-leo-2",
"elements": { "altitude_km": 550, "inclination_deg": 51.6, "raan_deg": 0, "mean_anomaly_deg": 180 }
}
],
"timestamp": "2026-03-08T12:00:00Z"
}'
{
"states": {
"rs-leo-1": {
"lat": 42.15,
"lon": -73.82,
"altitude_km": 550.3,
"velocity_km_s": 7.59,
"in_eclipse": false,
"orbit_fraction": 0.234
},
"rs-leo-2": {
"lat": -38.90,
"lon": 106.18,
"altitude_km": 550.1,
"velocity_km_s": 7.59,
"in_eclipse": true,
"orbit_fraction": 0.734
}
},
"timestamp": "2026-03-08T12:00:00Z",
"count": 2
}
{
"error": "too_many",
"message": "Maximum 100 satellites per batch request"
}
Base URL:
https://sim.rotastellar.com
ā No API key required.Request
array
required
Array of satellite objects, each with
id (string) and elements (orbital elements object). Maximum 100 satellites per request.string
ISO 8601 timestamp for computation. Defaults to current time.
curl -X POST https://sim.rotastellar.com/v1/state/batch \
-H "Content-Type: application/json" \
-d '{
"satellites": [
{
"id": "rs-leo-1",
"elements": { "altitude_km": 550, "inclination_deg": 51.6, "raan_deg": 0, "mean_anomaly_deg": 0 }
},
{
"id": "rs-leo-2",
"elements": { "altitude_km": 550, "inclination_deg": 51.6, "raan_deg": 0, "mean_anomaly_deg": 180 }
}
],
"timestamp": "2026-03-08T12:00:00Z"
}'
{
"states": {
"rs-leo-1": {
"lat": 42.15,
"lon": -73.82,
"altitude_km": 550.3,
"velocity_km_s": 7.59,
"in_eclipse": false,
"orbit_fraction": 0.234
},
"rs-leo-2": {
"lat": -38.90,
"lon": 106.18,
"altitude_km": 550.1,
"velocity_km_s": 7.59,
"in_eclipse": true,
"orbit_fraction": 0.734
}
},
"timestamp": "2026-03-08T12:00:00Z",
"count": 2
}
{
"error": "too_many",
"message": "Maximum 100 satellites per batch request"
}
Errors
| Status | Code | Description |
|---|---|---|
| 400 | invalid_request | satellites array missing or empty |
| 400 | too_many | More than 100 satellites |
| 400 | invalid_timestamp | Invalid ISO 8601 timestamp |
āI

