The following NuSTAR parameters are the current best estimate (CBE) values, as of July 2008.

Energy Range	6 - 80 keV
Angular Resolution	40 arcsec (HPD)
FOV	12 x 12 arcmin
Spectral Resolution	900 eV at 68 keV
Timing Resolution	1 ms
ToO response	< 48 hours
Launch date	August 2011
Orbit	Either (i) 27 degrees, 525 km or (ii) 5 degrees, 550 km