Simultaneous Nadir Overpasses (SNOs) near US between AQUA and NPP
TLE Epoch: 2018 6 15.  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)
 06/17/2018   18:17:19   (  49.98, -80.16) 06/17/2018   18:10:21    (  49.73, -81.70)  114.12            418
 06/17/2018   19:56:12   (  49.98,-104.88) 06/17/2018   19:51:49    (  49.62,-107.03)  159.33            263
 06/17/2018   21:31:23   (  36.74,-124.99) 06/17/2018   21:29:28    (  36.25,-127.52)  232.95            115
 06/20/2018   09:24:51   (  20.11,-114.21) 06/20/2018   09:16:32    (  20.18,-114.63)   44.98            499
 06/23/2018   06:30:57   (  45.30, -65.42) 06/23/2018   06:30:39    (  45.64, -67.39)  158.35             18
 06/23/2018   08:08:32   (  49.93, -88.33) 06/23/2018   08:10:46    (  50.41, -90.76)  181.04            134
 06/23/2018   09:47:25   (  49.94,-113.05) 06/23/2018   09:52:14    (  50.52,-116.08)  225.45            289
 06/25/2018   19:06:41   (  49.97, -92.51) 06/25/2018   19:01:03    (  49.65, -94.34)  136.52            338