Discovery Docking to ISS

Discovery on Approach to ISS
Image Credit: NASA TV

The Space Shuttle Discovery is schedule to dock with the Harmony module of the International Space Station (ISS) at 12:19 PM Phoenix time (1916 UTC).

With about 30 minutes to go, Discovery is 474 feet from the ISS.

Discovery has been given the go ahead for docking.

Discovery and the Kibo Exposed Facility at Sunset
Image Credit: NASA TV

Discovery is less than 300 feet and closing at 0.2 feet per second.

The Permanent Multipurpose Module (PMM) Leonardo is clearly visible in the payload bay. This is the eighth and final mission for Leonardo to the ISS.

At 11:52 AM Phoenix time (1852 UTC), Discovery and the Space Station are currently over Russia, with sunrise due in 25 minutes. Docking is due at about the same time.

Harmony Docking Ring as Shuttle Closes.
Image Credit: NASA TV

Discovery is now 130 feet from the ISS. The Japanese Kibo Laboratory is to the right of the Harmony Docking Ring in the image above. The Columbus Lab is to the left.

With 14 minutes to go, Discovery is 100 feet away and approaching at 1.6 feet per second.

At 60 feet, the closing rate is down to 0.1 feet per second.

40 feet.

Six minutes to scheduled docking. Discovery is 30 feet and beginning final approach.

20 feet.

15 feet. Path is good. Rate is good.

12 feet and 0.08 feet per second.

10 feet.

5 feet.

Discovery has soft dock. At 1914 UTC, Discovery has made its final docking with the ISS.

In addition to Discovery, there are two Soyuz spacecraft, one Progress supply vehicle, the Japanese HTV-2 “Kounotori” resupply vehicle and the European Space Agency’s ATV-2 “Johannes Kepler” resupply vehicle. A very crowded environment. Total weight of all components is 1.2 million pounds.

Discovery Docked with ISS
Image Credit: NASA TV


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