Simultaneous Nadir Overpasses (SNOs) near US between AQUA and NPP
TLE Epoch: 2015 4 10.  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)
 04/12/2015   06:31:22   (  46.45, -65.04) 04/12/2015   06:35:45    (  46.85, -66.97)  154.34            263
 04/12/2015   08:09:17   (  49.90, -88.39) 04/12/2015   08:16:14    (  50.36, -90.86)  183.03            417
 04/14/2015   19:07:29   (  49.99, -92.59) 04/14/2015   19:06:27    (  49.71, -94.33)  128.76             62
 04/14/2015   20:44:52   (  44.64,-115.24) 04/14/2015   20:46:22    (  44.24,-117.49)  184.46             90
 04/17/2015   06:57:19   (  20.03, -77.21) 04/17/2015   06:49:40    (  19.90, -76.65)   59.81            459
 04/17/2015   08:34:43   (  25.40,-100.65) 04/17/2015   08:29:36    (  25.40,-100.65)    0.13            307
 04/17/2015   10:09:24   (  40.52,-121.18) 04/17/2015   10:06:45    (  40.61,-121.59)   35.48            159