Simultaneous Nadir Overpasses (SNOs) near US between AQUA and NPP
TLE Epoch: 2017 5 16.  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, -65.09) 05/19/2017   06:30:18    (  46.65, -67.01)  151.85              3
 05/19/2017   08:08:13   (  49.93, -88.37) 05/19/2017   08:10:43    (  50.39, -90.79)  179.42            150
 05/19/2017   09:47:06   (  49.94,-113.09) 05/19/2017   09:52:10    (  50.55,-116.08)  223.79            304
 05/21/2017   19:06:23   (  49.97, -92.56) 05/21/2017   19:01:00    (  49.65, -94.36)  134.12            323
 05/21/2017   20:45:16   (  49.97,-117.28) 05/21/2017   20:42:28    (  49.55,-119.69)  179.40            168
 05/24/2017   10:12:05   (  26.83,-125.00) 05/24/2017   10:05:38    (  25.74,-125.93)  152.58            387