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2s.io Satellite Position Tracker
x402
2s.io Satellite Position Tracker is a paid API for AI agents from 2s.io, paid per call via x402, $0.00144/call, status unknown (last checked 2026-09-15).
Computes the current or requested-time position of any cataloged Earth-orbiting satellite by NORAD ID, returning latitude/longitude, altitude, speed, and optional observer look angles using SGP4 propagation of Celestrak TLE data.
Price / call$0.00144
Success—
StatusUnknown
How this service works
Compute the current position of any cataloged Earth-orbiting satellite by NORAD catalog number (e.g. 25544 = ISS, 20580 = Hubble), using fresh Celestrak orbital elements propagated with SGP4. Returns sub-point latitude/longitude, altitude (km), and speed (km/s) for the requested instant (default: now; pass `at` as an ISO timestamp for any time within a few days of the elements' epoch). Supply observer `lat`/`lon` (and optional altKm) to also get look angles — azimuth, elevation, slant range, and whether the satellite is above your horizon — for visual/antenna pointing. Satellite tracking, pass prediction, ground-station planning. Public-domain orbital data; physical/mission metadata is not included.
Output
Returns the satellite's sub-point latitude and longitude, altitude in km, speed in km/s for the requested instant. If observer coordinates are provided, also returns azimuth (degrees), elevation (degrees), slant range (km), and a boolean indicating whether the satellite is currently above the observer's horizon.
Example use cases
Example prompt
“Where is the ISS (NORAD ID 25544) right now, and can you tell me the azimuth and elevation from my location at 40.7128° N, 74.0060° W so I know if it's above my horizon?”
Technical details
Endpoint
GEThttps://2s.io/api/space/satelliteWhen to prefer
Use this endpoint when you need real-time or near-future positional data for any cataloged Earth-orbiting satellite by NORAD ID, especially when you want look angles for visual tracking or antenna pointing from a specific ground location. Prefer this over general astronomy APIs when SGP4-accurate sub-point coordinates, altitude, and speed are needed. Ideal for pass prediction, ground station automation, and satellite visibility checks.
Side effects
- Invalid or unknown NORAD ID returns an error or empty result
- Timestamp too far from orbital elements epoch causes propagation inaccuracy or error
- Observer lat/lon out of valid range (-90 to 90, -180 to 180) causes validation error
- Malformed ISO timestamp in 'at' parameter returns a parsing error
- Network or upstream Celestrak data unavailability causes service error
Input
{
"input": {
"type": "http",
"method": "GET",
"queryParams": {
"lat": 40.7128,
"lon": -74.006,
"altKm": 0,
"noradId": 25544
}
}
}Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object |
Output
{
"data": {
"ok": true,
"items": [
{
"position": {
"at": "2026-06-10T04:30:55.981Z",
"look": {
"rangeKm": 9708.57,
"azimuthDeg": 288.43,
"aboveHorizon": false,
"elevationDeg": -45.77
},
"name": "ISS (ZARYA)",
"epoch": "2026-06-09T18:30:49.920768",
"noradId": 25544,
"geodetic": {
"latitude": 10.44093,
"longitude": -179.89188,
"altitudeKm": 413.06
},
"velocityKmS": 7.668,
"internationalDesignator": "1998-067A"
}
}
],
"total": 1,
"source": {
"url": "https://celestrak.org/NORAD/elements/",
"license": "Public-domain orbital data (US Space Force / 18 SDS, redistributed by Celestrak).",
"provider": "Celestrak GP element sets + SGP4 propagation (satellite.js)"
}
},
"meta": {
"cost": {
"usd": 0.00144,
"tier": 0
},
"caller": "x402",
"version": null,
"endpoint": "space.satellite",
"settlement": {
"txHash": "0x7f55f9773622cb84413c4df6960dbf8715a1d014a57399fed2a5af4557b511aa",
"network": "eip155:8453",
"success": true
}
}
}Tags
x402
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