Space Shuttle Discovery (STS-133, fainter streak) orbits ahead of the International Space Station, after separation on mission Day 12 (Mar 07). This six-image composition depicts Discovery's last visible pass through the night sky. The shuttle touched down for the final time on the morning of Mar 09, 2011.

STS-133 USSPACECOM Catalog No. 37371; Int'l Designation Code 2011-008-A. Magnitude -0.6.
ISS Magnitude: -2.9
Starts 19:22:06 @ altitude 10°, azimuth 294° (WNW)
Max altitude 19:24:57 @ altitude 51°, azimuth 218° (SW)
Source: heavens-above.com