Simultaneous Nadir Overpasses (SNOs) near US between AQUA and NPP
TLE Epoch: 2017 5 18.  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)
 05/19/2017   06:30:21   (  46.31, -65.08) 05/19/2017   06:30:18    (  46.65, -67.01)  151.83              3
 05/19/2017   08:08:13   (  49.94, -88.37) 05/19/2017   08:10:43    (  50.39, -90.78)  179.40            150
 05/19/2017   09:47:07   (  49.88,-113.11) 05/19/2017   09:52:11    (  50.50,-116.11)  224.16            304
 05/21/2017   19:06:23   (  49.97, -92.55) 05/21/2017   19:01:00    (  49.65, -94.36)  134.12            323
 05/21/2017   20:45:16   (  49.96,-117.27) 05/21/2017   20:42:28    (  49.54,-119.68)  179.41            168
 05/24/2017   10:12:05   (  26.83,-124.99) 05/24/2017   10:05:38    (  25.75,-125.92)  152.49            387
 05/27/2017   07:18:46   (  49.92, -76.02) 05/27/2017   07:19:59    (  50.33, -78.12)  156.69             73
 05/27/2017   08:57:39   (  49.92,-100.74) 05/27/2017   09:01:27    (  50.44,-103.45)  201.17            228