Simultaneous Nadir Overpasses (SNOs) near US between AQUA and NPP
TLE Epoch: 2018 5 20.  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)
 05/22/2018   06:31:13   (  44.97, -65.55) 05/22/2018   06:30:48    (  45.30, -67.56)  162.11             25
 05/22/2018   08:08:43   (  49.90, -88.35) 05/22/2018   08:10:50    (  50.37, -90.82)  183.21            127
 05/22/2018   09:47:36   (  49.90,-113.07) 05/22/2018   09:52:17    (  50.53,-116.12)  227.64            281
 05/24/2018   19:06:50   (  49.95, -92.51) 05/24/2018   19:01:05    (  49.62, -94.37)  138.70            345
 05/24/2018   20:45:43   (  49.95,-117.23) 05/24/2018   20:42:33    (  49.51,-119.70)  184.02            190
 05/30/2018   07:19:11   (  49.90, -75.98) 05/30/2018   07:20:06    (  50.29, -78.16)  161.47             55
 05/30/2018   08:58:04   (  49.90,-100.70) 05/30/2018   09:01:33    (  50.46,-103.46)  205.95            209