space asteroids derived

{
  "input": {
    "body": {
      "days": 7
    },
    "type": "http",
    "method": "POST",
    "bodyType": "json"
  },
  "output": {
    "type": "json",
    "example": {
      "days": 7,
      "note": "Approach times are TDB as published (approach_time_utc subtracts ~69 s). diameter_m is the published value when JPL has one, else null; estimated_diameter_m is a rough range from absolute magnitude H assuming albedo 0.25..0.05. Close approach distances are nominal; see distance_min_au / distance_max_au for the 3-sigma range. Not an impact-risk assessment.",
      "count": 15,
      "stale": false,
      "cached": false,
      "source": {
        "url": "https://ssd-api.jpl.nasa.gov/doc/cad.html",
        "name": "NASA/JPL Solar System Dynamics, Close-Approach Data API",
        "terms": "https://ssd.jpl.nasa.gov/api.html",
        "notice": "Data: NASA/JPL SSD. No endorsement by NASA or JPL is implied.",
        "license": "US Government (NASA/JPL) work"
      },
      "truncated": false,
      "approaches": [
        {
          "name": "(2026 TH2)",
          "diameter_m": null,
          "designation": "2026 TH2",
          "distance_au": 0.010042,
          "distance_km": 1502253,
          "distance_lunar": 3.91,
          "abs_magnitude_h": 26.357,
          "distance_max_au": 0.0100901637988732,
          "distance_min_au": 0.00999371934159074,
          "approach_time_tdb": "2026-10-08T09:51Z",
          "approach_time_utc": "2026-10-08T09:49:50Z",
          "estimated_diameter_m": {
            "max": 31.8,
            "min": 14.2
          },
          "relative_velocity_km_s": 28.0098581032273
        },
        {
          "name": "(2026 TB3)",
          "diameter_m": null,
          "designation": "2026 TB3",
          "distance_au": 0.004304,
          "distance_km": 643858,
          "distance_lunar": 1.67,
          "abs_magnitude_h": 28.535,
          "distance_max_au": 0.00437858293059308,
          "distance_min_au": 0.00422926964256826,
          "approach_time_tdb": "2026-10-09T04:50Z",
          "approach_time_utc": "2026-10-09T04:48:50Z",
          "estimated_diameter_m": {
            "max": 11.7,
            "min": 5.2
          },
          "relative_velocity_km_s": 11.0421037424502
        }
      ],
      "attribution": "Data: NASA/JPL SSD",
      "dist_max_au": 0.05,
      "cache_seconds": 3600,
      "total_matches": 16,
      "dist_max_lunar": 19.5
    }
  }
}