Simultaneous Nadir Overpasses (SNOs) near US between AQUA and NPP
TLE Epoch: 2012 8 13.  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   07:19:04   (  48.59, -76.59) 08/17/2012   07:18:41    (  48.97, -78.79)  166.71             23
 08/17/2012   08:57:35   (  49.90,-100.77) 08/17/2012   08:59:45    (  50.46,-103.50)  204.26            130
 08/19/2012   18:16:55   (  49.95, -80.22) 08/19/2012   18:08:36    (  49.82, -81.77)  111.87            499
 08/19/2012   19:55:49   (  50.00,-104.96) 08/19/2012   19:50:03    (  49.65,-107.07)  156.00            346
 08/19/2012   21:30:56   (  36.51,-125.00) 08/19/2012   21:27:38    (  36.04,-127.49)  229.80            198