🛰️ Groundtrack API
Query next passes for a given satellite above you.
Uses Skyfield to predict passes, and Celestrak GP API to get updated TLE data.
GitHub | Docs | openapi.json
API
GET /passes/<norad-id>
Parameters:
latlatitude (required)lonlongitude (required)limitnumber of next passesdaysnumber of days to calculate passes aheadvisible_onlycan betrue/false, filter passes by visible passes only
GET /passes/25544?lat=-34.9112212&lon=-57.9372988&limit=1 HTTP/1.1
Accept: */*
Accept-Encoding: gzip, deflate
Connection: keep-alive
Host: satellites.fly.dev
User-Agent: HTTPie/1.0.3
Response example,
[
{
"rise": {
"alt": "10.00",
"az": "317.05",
"az_octant": "NW",
"utc_datetime": "2020-06-02 05:22:20.959562+00:00",
"utc_timestamp": 1591075340,
"is_sunlit": false,
"visible": false
},
"culmination": {
"alt": "79.94",
"az": "44.48",
"az_octant": "NE",
"utc_datetime": "2020-06-02 05:25:44.705872+00:00",
"utc_timestamp": 1591075544,
"is_sunlit": false,
"visible": false
},
"set": {
"alt": "10.00",
"az": "130.38",
"az_octant": "SE",
"utc_datetime": "2020-06-02 05:29:10.634226+00:00",
"utc_timestamp": 1591075750,
"is_sunlit": false,
"visible": false
},
"visible": false
}
]
alt/azare measured in degrees.is_sunlittells if satellite is being illuminated by the sun.visiblefield tells if the satellite will be probably visible, considering the sun is near the horizon, and the observer is at night. You can read more here.
Note: Results are cached 1 day for each parameters combo, except limit.