Simultaneous Nadir Overpasses (SNOs) near US between AQUA and NPP
TLE Epoch: 2012 8 15.  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)
 08/17/2012   07:18:58   (  48.80, -76.49) 08/17/2012   07:18:38    (  49.17, -78.70)  166.44             20
 08/17/2012   08:57:32   (  49.93,-100.75) 08/17/2012   08:59:45    (  50.49,-103.49)  204.86            133
 08/19/2012   18:16:49   (  49.95, -80.19) 08/19/2012   18:08:34    (  49.69, -81.71)  112.72            495
 08/19/2012   19:55:41   (  49.95,-104.91) 08/19/2012   19:50:01    (  49.58,-107.04)  157.97            340
 08/19/2012   21:30:50   (  36.59,-124.99) 08/19/2012   21:27:38    (  36.09,-127.51)  232.09            192