Simultaneous Nadir Overpasses (SNOs) near US between AQUA and NPP
TLE Epoch: 2015 4 18.  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)
 04/20/2015   07:19:55   (  49.89, -76.06) 04/20/2015   07:25:17    (  50.29, -78.17)  156.62            322
 04/20/2015   08:58:48   (  49.90,-100.78) 04/20/2015   09:06:44    (  50.45,-103.48)  201.11            476
 04/22/2015   18:18:02   (  49.94, -80.21) 04/22/2015   18:15:28    (  49.68, -81.61)  104.47            154
 04/22/2015   19:56:54   (  49.88,-104.90) 04/22/2015   19:56:55    (  49.53,-106.91)  149.81              1
 04/22/2015   21:29:38   (  27.82,-122.63) 04/22/2015   21:32:03    (  27.34,-124.94)  233.58            145
 04/25/2015   07:46:40   (  20.04, -89.56) 04/25/2015   07:40:09    (  20.00, -89.29)   28.73            391
 04/25/2015   09:21:16   (  35.49,-110.34) 04/25/2015   09:17:13    (  35.54,-110.49)   14.79            243