{
  "model": "Newtonian two-body ellipse around a spherical Earth",
  "earth_radius_km": 6371.0,
  "earth_mu_km3_s2": 398600.435507,
  "perigee_altitude_km": 337.0,
  "apogee_altitude_km": 398.0,
  "semimajor_axis_km": 6738.5,
  "eccentricity": 0.0045262298731171624,
  "period_min": 91.74968515036707,
  "perigee_speed_km_s": 7.725969657044136,
  "apogee_speed_km_s": 7.6563457614791055,
  "assumptions": [
    "No atmosphere or drag",
    "No nonspherical gravity, third-body effects, thrust, or relativity",
    "The two altitudes are an unverified claim; compatibility is not confirmation of a flight"
  ]
}