Simultaneous Nadir Overpasses (SNOs) near US between AQUA and NPP
TLE Epoch: 2017 9 8.  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)
 09/10/2017   19:06:04   (  49.99, -92.54) 09/10/2017   19:01:36    (  49.67, -94.41)  139.32            268
 09/10/2017   20:44:57   (  49.98,-117.26) 09/10/2017   20:43:04    (  49.56,-119.74)  184.61            113
 09/13/2017   08:34:44   (  20.03,-101.87) 09/13/2017   08:26:24    (  19.91,-102.06)   24.62            500
 09/13/2017   10:11:09   (  28.95,-124.42) 09/13/2017   10:05:17    (  29.11,-125.08)   66.38            352
 09/16/2017   07:18:26   (  49.89, -75.98) 09/16/2017   07:20:38    (  50.34, -78.16)  163.51            132
 09/16/2017   08:57:19   (  49.89,-100.70) 09/16/2017   09:02:06    (  50.45,-103.49)  208.00            287