Simultaneous Nadir Overpasses (SNOs) near US between AQUA and NPP
TLE Epoch: 2012 7 12.  Predictions up to the next  10.0 days:

Date(AQUA)     Time(AQUA)   AQUA Lat/Lon   Date(NPP)     Time(NPP)    NPP Lat/Lon    Distance (km)   Time Diff(sec)
 07/16/2012   07:19:35   (  47.72, -76.97) 07/16/2012   07:18:57    (  48.06, -79.14)  166.49             38
 07/16/2012   08:57:51   (  49.91,-100.80) 07/16/2012   08:59:46    (  50.42,-103.49)  199.60            115
 07/18/2012   18:17:06   (  49.95, -80.23) 07/18/2012   18:08:47    (  50.41, -82.00)  136.43            499
 07/18/2012   19:55:59   (  49.95,-104.95) 07/18/2012   19:50:03    (  49.61,-107.02)  153.36            356
 07/18/2012   21:31:06   (  36.47,-124.99) 07/18/2012   21:27:38    (  36.00,-127.45)  226.41            208