Simultaneous Nadir Overpasses (SNOs) near US between AQUA and NPP
TLE Epoch: 2017 5 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)
 05/16/2017   09:24:15   (  21.03,-114.03) 05/16/2017   09:16:12    (  21.11,-114.41)   41.05            483
 05/19/2017   06:30:20   (  46.36, -65.07) 05/19/2017   06:30:17    (  46.70, -66.99)  151.63              3
 05/19/2017   08:08:13   (  49.93, -88.37) 05/19/2017   08:10:43    (  50.38, -90.79)  179.48            150
 05/19/2017   09:47:06   (  49.93,-113.09) 05/19/2017   09:52:10    (  50.55,-116.09)  223.86            304
 05/21/2017   19:06:23   (  49.98, -92.56) 05/21/2017   19:01:00    (  49.66, -94.36)  134.14            323
 05/21/2017   20:45:16   (  49.98,-117.28) 05/21/2017   20:42:28    (  49.55,-119.69)  179.42            168