@type t() :: %Sidereon.CCSDS.OEM.Metadata{
  center_name: String.t(),
  interpolation: String.t() | nil,
  interpolation_degree: non_neg_integer() | nil,
  object_id: String.t(),
  object_name: String.t(),
  ref_frame: String.t(),
  start_time: String.t(),
  stop_time: String.t(),
  time_system: String.t(),
  useable_start_time: String.t() | nil,
  useable_stop_time: String.t() | nil
}