toJson method
Implementation
Map<String, dynamic> toJson() {
final Map<String, dynamic> data = <String, dynamic>{};
data['spaceTrack'] = _spaceTrack.toJson();
data['version'] = _version;
data['launch'] = _launch;
data['longitude'] = _longitude;
data['latitude'] = _latitude;
data['height_km'] = _heightKm;
data['velocity_kms'] = _velocityKms;
data['id'] = _id;
return data;
}