Simultaneous Nadir Overpasses (SNOs) near US between AQUA and NPP
TLE Epoch: 2015 4 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)
 04/17/2015   06:57:19   (  20.03, -77.21) 04/17/2015   06:49:40    (  19.89, -76.65)   60.36            459
 04/17/2015   08:34:50   (  24.98,-100.76) 04/17/2015   08:29:43    (  24.98,-100.76)    0.10            307
 04/17/2015   10:09:24   (  40.53,-121.19) 04/17/2015   10:06:45    (  40.61,-121.59)   34.63            159
 04/20/2015   07:19:55   (  49.92, -76.06) 04/20/2015   07:25:17    (  50.31, -78.16)  156.54            322
 04/20/2015   08:58:47   (  49.92,-100.77) 04/20/2015   09:06:43    (  50.47,-103.47)  201.02            476
 04/22/2015   18:18:02   (  49.98, -80.22) 04/22/2015   18:15:28    (  49.72, -81.62)  104.47            154
 04/22/2015   19:56:54   (  49.92,-104.92) 04/22/2015   19:56:55    (  49.56,-106.93)  149.78              1
 04/22/2015   21:29:37   (  27.80,-122.62) 04/22/2015   21:32:02    (  27.31,-124.93)  233.64            145
 04/25/2015   07:46:39   (  20.06, -89.55) 04/25/2015   07:40:08    (  20.03, -89.28)   28.73            391
 04/25/2015   09:21:14   (  35.57,-110.32) 04/25/2015   09:17:12    (  35.57,-110.48)   14.82            242