JAXA | 超低高度衛星技術試験機「つばめ」（SLATS）がギネス世界記録(R)に認定されましたRecord Text： The lowest altitude by an Earth observation satellite in orbit is 167.4 km (104 mi) and was achieved by JAXA's TSUBAME (JAPAN) during its mission from 23 December 2017 to 1 October 2019. Further info： TSUBAME was a Super Low Altitude Test Satellite operated by Japan Aerospace Exploration Agency, or JAXA. With its ion engine, TSUBAME was able to capture high-resolution satellite images
