toJson method
Implementation
Map<String, dynamic> toJson() {
final Map<String, dynamic> data = new Map<String, dynamic>();
data['name'] = this._name;
data['agency'] = this._agency;
data['image'] = this._image;
data['wikipedia'] = this._wikipedia;
data['launches'] = this._launches;
data['status'] = this._status;
data['id'] = this._id;
return data;
}