text: Mass≈ 419,725 kg (925,335 lb)Length72.8 m (239 ft)Width108.5 m (356 ft)Height≈ 20 m (66 ft) nadir–zenith, arrays forward–aft (27 November 2009)Pressurised volume931.57 m3 (32,898 cu ft) (28 May 2016)Atmospheric pressure101.3 kPa (29.9 inHg; 1.0 atm)Perigee403 km (250 mi) AMSLApogee408 km (254 mi) AMSLOrbital inclination51.64 degreesOrbital speed7.66 km/s(27,600 km/h; 17,100 mph)Orbital period92.68 minutesOrbits per day15.54Orbit epoch28 November 2018, 14:37:49 UTCDays in orbit20 years, 7 months, 16 days (6 July 2019)Days occupied18 years, 8 months, 4 days (6 July 2019)No.