Simultaneous Nadir Overpasses (SNOs) near US between AQUA and NPP
TLE Epoch: 2017 4 11.  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)
 04/14/2017   09:24:37   (  20.24,-114.22) 04/14/2017   09:16:20    (  20.30,-114.61)   40.83            497
 04/17/2017   06:30:34   (  45.80, -65.26) 04/17/2017   06:30:23    (  46.11, -67.22)  155.06             11
 04/17/2017   08:08:18   (  49.89, -88.38) 04/17/2017   08:10:39    (  50.36, -90.80)  180.32            141
 04/17/2017   09:47:11   (  49.89,-113.10) 04/17/2017   09:52:07    (  50.48,-116.12)  224.84            296
 04/19/2017   19:06:23   (  49.99, -92.53) 04/19/2017   19:00:56    (  49.64, -94.35)  136.36            327
 04/19/2017   20:45:16   (  49.99,-117.25) 04/19/2017   20:42:25    (  49.59,-119.70)  181.64            171