Simultaneous Nadir Overpasses (SNOs) near US between AQUA and NPP
TLE Epoch: 2015 9 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)
 09/21/2015   19:06:19   (  49.94, -92.52) 09/21/2015   19:04:18    (  49.62, -94.30)  132.57            121
 09/21/2015   20:44:39   (  47.99,-116.44) 09/21/2015   20:45:12    (  47.56,-118.79)  181.98             33
 09/24/2015   06:56:06   (  20.06, -77.15) 09/24/2015   06:47:46    (  19.07, -76.84)  114.35            500
 09/24/2015   08:32:43   (  28.25, -99.89) 09/24/2015   08:26:39    (  28.26, -99.88)    1.41            364
 09/24/2015   10:09:06   (  37.25,-122.14) 09/24/2015   10:05:33    (  37.35,-122.63)   44.30            213
 09/27/2015   07:18:40   (  49.92, -75.99) 09/27/2015   07:23:10    (  50.31, -78.14)  159.63            270
 09/27/2015   08:57:33   (  49.92,-100.71) 09/27/2015   09:04:37    (  50.47,-103.44)  204.10            424
 09/29/2015   18:16:48   (  49.99, -80.16) 09/29/2015   18:13:23    (  49.71, -81.62)  109.10            205
 09/29/2015   19:55:41   (  49.99,-104.88) 09/29/2015   19:54:51    (  49.61,-106.95)  154.30             50
 09/29/2015   21:29:16   (  30.99,-123.39) 09/29/2015   21:30:52    (  30.51,-125.80)  236.16             96