Simultaneous Nadir Overpasses (SNOs) near US between AQUA and NPP
TLE Epoch: 2015 5 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)
 05/11/2015   07:46:40   (  20.05, -89.60) 05/11/2015   07:39:59    (  19.98, -89.31)   31.39            401
 05/11/2015   09:21:26   (  34.91,-110.55) 05/11/2015   09:17:13    (  34.95,-110.68)   13.00            253
 05/14/2015   06:31:15   (  46.57, -65.04) 05/14/2015   06:35:11    (  46.97, -66.91)  148.77            236
 05/14/2015   08:09:12   (  49.90, -88.44) 05/14/2015   08:15:42    (  50.36, -90.84)  178.28            390
 05/16/2015   19:07:17   (  49.96, -92.57) 05/16/2015   19:05:58    (  49.64, -94.31)  129.56             79
 05/16/2015   20:44:56   (  45.57,-115.57) 05/16/2015   20:46:10    (  45.15,-117.84)  183.47             74
 05/19/2015   06:57:01   (  20.00, -77.21) 05/19/2015   06:49:15    (  19.89, -76.67)   57.85            466
 05/19/2015   08:34:07   (  26.45,-100.39) 05/19/2015   08:28:53    (  26.45,-100.40)    0.60            314
 05/19/2015   10:09:11   (  40.18,-121.30) 05/19/2015   10:06:26    (  40.27,-121.72)   37.21            165