Simultaneous Nadir Overpasses (SNOs) near US between AQUA and NPP
TLE Epoch: 2015 5 12.  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)
 05/14/2015   06:31:14   (  46.61, -65.03) 05/14/2015   06:35:11    (  46.98, -66.90)  148.82            237
 05/14/2015   08:09:10   (  49.93, -88.42) 05/14/2015   08:15:41    (  50.37, -90.83)  178.33            391
 05/16/2015   19:07:15   (  49.98, -92.57) 05/16/2015   19:05:58    (  49.69, -94.33)  130.00             77
 05/16/2015   20:44:53   (  45.53,-115.55) 05/16/2015   20:46:08    (  45.08,-117.81)  184.12             75
 05/19/2015   06:56:58   (  20.02, -77.19) 05/19/2015   06:49:15    (  19.89, -76.67)   56.64            463
 05/19/2015   08:33:35   (  28.21, -99.93) 05/19/2015   08:28:23    (  28.21, -99.93)    0.59            312
 05/19/2015   10:09:06   (  40.31,-121.24) 05/19/2015   10:06:24    (  40.39,-121.68)   38.00            162