Simultaneous Nadir Overpasses (SNOs) near US between AQUA and NPP
TLE Epoch: 2013 7 16.  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)
 07/19/2013   07:19:03   (  49.93, -76.02) 07/19/2013   07:19:38    (  50.34, -78.07)  153.03             35
 07/19/2013   08:57:56   (  49.93,-100.74) 07/19/2013   09:01:06    (  50.44,-103.39)  197.51            190
 07/21/2013   18:17:11   (  49.99, -80.20) 07/21/2013   18:09:53    (  49.73, -81.68)  110.21            438
 07/21/2013   19:56:04   (  49.99,-104.92) 07/21/2013   19:51:21    (  49.63,-107.01)  155.39            283
 07/21/2013   21:31:13   (  36.63,-124.99) 07/21/2013   21:28:58    (  36.14,-127.46)  227.54            135
 07/24/2013   09:24:43   (  20.02,-114.26) 07/24/2013   09:16:23    (  18.91,-114.88)  139.88            500