Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2016 7 8.  Predictions up to the next  14.0 days:

     Date     Time(AURA) AURA Lat/Lon Date Time(NPP) NPP Lat/Lon    Distance(km)  Time Diff(sec)
 07/11/2016   10:35:29   (  79.11, -84.75) 07/11/2016   10:34:56  (  79.10, -84.86)    2.59                33
 07/11/2016   11:24:47   ( -79.47,  85.23) 07/11/2016   11:25:31  ( -79.47,  85.24)    0.23                44
 07/14/2016   02:51:52   (  79.31,  32.42) 07/14/2016   02:51:44  (  79.32,  32.52)    2.04                 8
 07/14/2016   03:41:14   ( -79.51,-158.56) 07/14/2016   03:42:24  ( -79.51,-158.63)    1.51                70
 07/16/2016   18:19:01   ( -79.01, -21.20) 07/16/2016   18:18:02  ( -79.01, -21.27)    1.45                59
 07/16/2016   19:08:17   (  79.39, 148.83) 07/16/2016   19:08:35  (  79.39, 148.87)    0.95                18
 07/19/2016   10:35:26   ( -79.13,  95.40) 07/19/2016   10:34:53  ( -79.12,  95.32)    1.95                33
 07/19/2016   11:24:43   (  79.46, -94.79) 07/19/2016   11:25:27  (  79.46, -94.77)    0.49                44
 07/22/2016   02:51:51   ( -79.24,-148.01) 07/22/2016   02:51:44  ( -79.23,-148.09)    1.84                 7