{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://github.com/api-evangelist/nasa/blob/main/json-schema/close-approach.json",
  "title": "Close Approach",
  "description": "A close approach event for a near-Earth object.",
  "type": "object",
  "properties": {
    "close_approach_date": {
      "type": "string",
      "format": "date",
      "description": "Date of the close approach (YYYY-MM-DD)."
    },
    "close_approach_date_full": {
      "type": "string",
      "description": "Full date and time of close approach."
    },
    "epoch_date_close_approach": {
      "type": "integer",
      "description": "Epoch timestamp of the close approach."
    },
    "relative_velocity": {
      "type": "object",
      "properties": {
        "kilometers_per_second": { "type": "string" },
        "kilometers_per_hour": { "type": "string" },
        "miles_per_hour": { "type": "string" }
      }
    },
    "miss_distance": {
      "type": "object",
      "properties": {
        "astronomical": { "type": "string" },
        "lunar": { "type": "string" },
        "kilometers": { "type": "string" },
        "miles": { "type": "string" }
      }
    },
    "orbiting_body": {
      "type": "string",
      "description": "The orbiting body for the close approach (e.g. Earth)."
    }
  },
  "required": ["close_approach_date", "orbiting_body"]
}