Simultaneous Nadir Overpasses (SNOs) near US between AQUA and NPP
TLE Epoch: 2015 9 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)
 09/11/2015   07:18:45   (  49.90, -76.00) 09/11/2015   07:23:31    (  50.31, -78.19)  162.46            286
 09/11/2015   08:57:38   (  49.90,-100.72) 09/11/2015   09:04:58    (  50.48,-103.49)  206.94            440
 09/13/2015   18:16:54   (  49.96, -80.16) 09/13/2015   18:13:44    (  49.69, -81.66)  111.45            190
 09/13/2015   19:55:47   (  49.95,-104.88) 09/13/2015   19:55:12    (  49.59,-106.99)  156.69             35
 09/13/2015   21:29:08   (  30.12,-123.17) 09/13/2015   21:30:58    (  29.62,-125.59)  240.33            110
 09/16/2015   07:45:36   (  20.03, -89.52) 09/16/2015   07:38:26    (  20.01, -89.32)   21.09            430
 09/16/2015   09:20:50   (  33.21,-110.94) 09/16/2015   09:16:09    (  33.28,-111.20)   24.63            281
 09/19/2015   06:30:17   (  46.39, -65.04) 09/19/2015   06:33:38    (  46.76, -66.99)  154.84            201
 09/19/2015   08:08:11   (  49.89, -88.37) 09/19/2015   08:14:05    (  50.38, -90.82)  183.11            354
 09/19/2015   09:47:04   (  49.90,-113.09) 09/19/2015   09:55:23    (  51.06,-115.89)  236.35            499