{
  "summary": "GET /neo/{asteroidId} — lookup a specific asteroid by SPK-ID",
  "request": {
    "method": "GET",
    "url": "https://api.nasa.gov/neo/rest/v1/neo/3542519?api_key=DEMO_KEY"
  },
  "response": {
    "status": 200,
    "headers": {
      "Content-Type": "application/json"
    },
    "body": {
      "id": "3542519",
      "neo_reference_id": "3542519",
      "name": "(2010 PK9)",
      "name_limited": "2010 PK9",
      "designation": "2010 PK9",
      "nasa_jpl_url": "http://ssd.jpl.nasa.gov/sbdb.cgi?sstr=3542519",
      "absolute_magnitude_h": 24.4,
      "estimated_diameter": {
        "kilometers": {
          "estimated_diameter_min": 0.0284541871,
          "estimated_diameter_max": 0.0636222015
        },
        "meters": {
          "estimated_diameter_min": 28.4541870534,
          "estimated_diameter_max": 63.6222014525
        },
        "miles": {
          "estimated_diameter_min": 0.017678147,
          "estimated_diameter_max": 0.0395126584
        },
        "feet": {
          "estimated_diameter_min": 93.3534580717,
          "estimated_diameter_max": 208.7342609809
        }
      },
      "is_potentially_hazardous_asteroid": false,
      "is_sentry_object": false,
      "close_approach_data": [
        {
          "close_approach_date": "1945-03-27",
          "close_approach_date_full": "1945-Mar-27 01:48",
          "epoch_date_close_approach": -779593920000,
          "orbiting_body": "Earth",
          "relative_velocity": {
            "kilometers_per_second": "11.3168630762",
            "kilometers_per_hour": "40740.7070742",
            "miles_per_hour": "25307.1988698"
          },
          "miss_distance": {
            "astronomical": "0.4361544386",
            "lunar": "169.6641367954",
            "kilometers": "65252809.5834182",
            "miles": "40546628.0560454"
          }
        }
      ],
      "orbital_data": {
        "orbit_id": "23",
        "orbit_determination_date": "2023-03-01 06:02:46",
        "first_observation_date": "2010-08-12",
        "last_observation_date": "2022-09-17",
        "data_arc_in_days": 4418,
        "observations_used": 349,
        "orbit_uncertainty": "0",
        "minimum_orbit_intersection": ".329043",
        "jupiter_tisserand_invariant": "5.398",
        "epoch_osculation": "2460000.5",
        "eccentricity": ".3169516034986944",
        "semi_major_axis": "1.469780927069512",
        "inclination": "10.38895413595543",
        "ascending_node_longitude": "136.3090082505785",
        "orbital_period": "649.6348374726706",
        "perihelion_distance": "1.003914591516819",
        "perihelion_argument": "33.13226014516541",
        "aphelion_distance": "1.935647262622205",
        "perihelion_time": "2460027.399040174",
        "mean_anomaly": "345.1006553985905",
        "mean_motion": ".5541037684050034",
        "equinox": "J2000",
        "orbit_class": {
          "orbit_class_type": "AMO",
          "orbit_class_description": "Near-Earth asteroid orbits similar to that of 1221 Amor",
          "orbit_class_range": "1.017 AU < q (perihelion) < 1.3 AU"
        }
      }
    }
  }
}