@type t() :: %Orbis.CCSDS.CDM.ObjectData{
  catalog_name: String.t() | nil,
  covariance_rtn: [float()] | nil,
  international_designator: String.t() | nil,
  object_designator: String.t() | nil,
  object_name: String.t() | nil,
  object_type: String.t() | nil,
  ref_frame: String.t() | nil,
  state: {{float(), float(), float()}, {float(), float(), float()}} | nil
}