Oleg Zabluda's blog
Thursday, September 07, 2017
 
SpaceX Falcon-9 launched X-37B (mass ~5t).
SpaceX Falcon-9 launched X-37B (mass ~5t). Orbit is unknown (secret), but, probably around 400 km × 400 km × 60°. Interestingly, MECO was at 1.6 km/s, reentry burn started at 1.3 km/s (53 km) finished at 0.75 km/s (33 km). i.e still supersonic. The speed was increasing to 0.8 km/s at 22 km, then decreasing to subsonic (5km), when landing burn started.
https://www.youtube.com/watch?v=9M6Zvi-fFv4
https://www.youtube.com/watch?v=9M6Zvi-fFv4

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