Simultaneous Nadir Overpasses (SNOs) near US between AQUA and NPP
TLE Epoch: 2015 5 20.  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)
 05/22/2015   07:19:25   (  49.93, -76.00) 05/22/2015   07:24:56    (  50.33, -78.18)  161.96            331
 05/22/2015   08:58:18   (  49.93,-100.72) 05/22/2015   09:06:23    (  50.50,-103.48)  206.53            485
 05/24/2015   18:17:28   (  49.97, -80.14) 05/24/2015   18:15:12    (  49.68, -81.66)  113.93            136
 05/24/2015   19:56:02   (  48.85,-104.40) 05/24/2015   19:56:21    (  48.48,-106.52)  161.15             19
 05/24/2015   21:28:50   (  27.03,-122.35) 05/24/2015   21:31:33    (  26.50,-124.77)  247.23            163
 05/27/2015   07:46:02   (  20.05, -89.47) 05/27/2015   07:39:56    (  20.05, -89.34)   13.47            366
 05/27/2015   09:20:13   (  36.99,-109.82) 05/27/2015   09:16:35    (  37.06,-110.09)   25.16            218
 05/30/2015   06:30:38   (  46.17, -65.04) 05/30/2015   06:35:15    (  46.58, -67.11)  165.30            277
 05/30/2015   08:08:28   (  49.90, -88.29) 05/30/2015   08:15:38    (  50.43, -90.85)  191.94            430