US Space Command · Example Payload

Space Track Conjunction Data Example

Federal GovernmentSpaceSpace Situational AwarenessSatellite TrackingOpen Data

Space Track Conjunction Data Example is an example object payload from US Space Command, with 2 top-level fields. It illustrates the shape of data this provider's APIs accept or return.

Top-level fields

requestresponse

Example Payload

Raw ↑ 
{
  "request": {
    "method": "GET",
    "url": "https://www.space-track.org/basicspacedata/query/class/cdm_public/orderby/PC desc/limit/5/format/json",
    "description": "Query top 5 conjunction data messages ordered by collision probability (highest first)"
  },
  "response": {
    "status": 200,
    "body": [
      {
        "CDM_ID": 12345678,
        "CREATED": "2026-05-01 06:00:00",
        "EMERGENCY_REPORTABLE": "N",
        "TCA": "2026-05-03 14:22:33",
        "MIN_RNG": 0.083,
        "PC": 0.000856,
        "SAT_1_ID": 25544,
        "SAT_1_NAME": "ISS (ZARYA)",
        "SAT_1_TYPE": "PAYLOAD",
        "SAT_2_ID": 47311,
        "SAT_2_NAME": "COSMOS 2251 DEB",
        "SAT_2_TYPE": "DEBRIS",
        "MISS_DISTANCE": 0.083,
        "RELATIVE_SPEED": 14.23,
        "RELATIVE_POSITION_R": -0.012,
        "RELATIVE_POSITION_T": 0.054,
        "RELATIVE_POSITION_N": -0.063
      }
    ]
  }
}