Simultaneous Nadir Overpasses (SNOs) near US between AQUA and NPP
TLE Epoch: 2012 12 21.  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)
 12/23/2012   07:19:53   (  46.87, -77.33) 12/23/2012   07:19:01    (  47.23, -79.46)  167.10             52
 12/23/2012   08:57:55   (  49.90,-100.83) 12/23/2012   08:59:35    (  50.45,-103.45)  196.35            100
 12/25/2012   18:17:14   (  49.97, -80.32) 12/25/2012   18:08:54    (  51.48, -82.51)  228.02            500
 12/25/2012   19:56:07   (  49.96,-105.04) 12/25/2012   19:49:51    (  49.59,-107.02)  148.13            376
 12/25/2012   21:31:09   (  36.18,-124.99) 12/25/2012   21:27:22    (  35.75,-127.38)  220.33            227
 12/31/2012   06:32:55   (  38.53, -67.83) 12/31/2012   06:30:36    (  38.89, -69.79)  174.33            139
 12/31/2012   08:08:37   (  49.92, -88.50) 12/31/2012   08:08:47    (  50.39, -90.77)  170.38             10