Simultaneous Nadir Overpasses (SNOs) near US between AQUA and NPP
TLE Epoch: 2013 1 28.  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)
 02/01/2013   06:32:01   (  40.41, -67.10) 02/01/2013   06:30:20    (  40.75, -69.19)  180.41            101
 02/01/2013   08:08:14   (  49.93, -88.35) 02/01/2013   08:09:03    (  50.40, -90.79)  181.66             49
 02/01/2013   09:47:07   (  49.93,-113.07) 02/01/2013   09:50:31    (  50.51,-116.11)  226.12            204
 02/03/2013   19:06:22   (  49.95, -92.56) 02/03/2013   18:59:23    (  49.65, -94.39)  135.67            419
 02/03/2013   20:45:15   (  49.95,-117.28) 02/03/2013   20:40:51    (  49.53,-119.71)  180.99            264