Q&A: Chandra Mission

Q:
How fast is Chandra travelling and how long does it take to complete one orbit?

A:
For the end of January the orbital period was 63 hours, 40 minutes. Speed at apogee was 1.05 km/sec (2348 mph) and speed at perigee 4.69 km/sec (10491 mph). More information on Chandra is available at http://chandra.harvard.edu/about/ and http://chandra.harvard.edu/about/specs.html