Simultaneous Nadir Overpasses (SNOs) near US between AQUA and NPP
TLE Epoch: 2017 4 21.  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)
 04/22/2017   10:12:13   (  26.89,-124.99) 04/22/2017   10:05:47    (  24.98,-126.12)  239.85            386
 04/25/2017   07:18:55   (  49.92, -76.03) 04/25/2017   07:19:56    (  50.36, -78.11)  156.49             61
 04/25/2017   08:57:48   (  49.93,-100.75) 04/25/2017   09:01:24    (  50.47,-103.44)  200.95            216
 04/27/2017   18:17:04   (  49.99, -80.21) 04/27/2017   18:10:14    (  49.72, -81.70)  111.24            410
 04/27/2017   19:55:57   (  49.99,-104.93) 04/27/2017   19:51:42    (  49.61,-107.03)  156.46            255
 04/27/2017   21:31:05   (  36.58,-124.99) 04/27/2017   21:29:19    (  36.12,-127.49)  229.81            106
 04/30/2017   09:24:28   (  20.56,-114.15) 04/30/2017   09:16:17    (  20.67,-114.53)   40.97            491