![]() Q) Is the lidar system eye-safe? (Class 1, 2, or 3R), or will there need to be restrictions placed on crew activities near the windows during prox ops? If the latter, how will that affect SSRMS operations?Ī) We have baselined the XSS-11 Flight Lidar from MacDonald-Dettwiler which uses a Class 3B laser which is not eye-safe without some precautions. This way the lidars get a large enough view of the station to accurately determine range, position and attitude for a safe approach and hold. If you look closely at our fact sheet you can see that the tug has two deployed booms that carry the lidars and the space-to-space S-band antennas. Our trades favored that to minimize thruster plumes constraining ISS and lidar operations and to avoid reorientation at the ISS just prior to berthing. Is that intended to be representative or just for illustrative purposes? If the former, how does that affect lidar visibility to ISS?Ī) The tug does approach the station with the container forward. Q) The diagram in the fact sheet shows the tug approaching ISS with the container forward. ![]()
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