Simultaneous Nadir Overpasses (SNOs) near US between AQUA and NPP
TLE Epoch: 2018 4 13.  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)
 04/14/2018   18:17:45   (  49.94, -80.20) 04/14/2018   18:10:16    (  49.65, -81.70)  113.00            449
 04/14/2018   19:56:39   (  50.00,-104.94) 04/14/2018   19:51:46    (  49.65,-107.08)  158.17            293
 04/14/2018   21:31:47   (  36.59,-124.99) 04/14/2018   21:29:22    (  36.10,-127.51)  232.09            145
 04/17/2018   09:25:21   (  20.04,-114.28) 04/17/2018   09:17:01    (  18.33,-115.12)  209.48            500
 04/20/2018   06:31:56   (  43.65, -66.06) 04/20/2018   06:31:07    (  43.99, -68.07)  165.65             49
 04/20/2018   08:09:04   (  49.89, -88.40) 04/20/2018   08:10:46    (  50.39, -90.82)  181.25            102
 04/20/2018   09:47:57   (  49.89,-113.12) 04/20/2018   09:52:14    (  50.50,-116.15)  225.66            257
 04/22/2018   19:07:12   (  49.98, -92.58) 04/22/2018   19:01:03    (  49.68, -94.41)  135.50            369
 04/22/2018   20:46:05   (  49.97,-117.30) 04/22/2018   20:42:31    (  49.57,-119.73)  180.77            214