Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2017 2 4.  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)
 02/07/2017   02:52:04   (  79.42,  33.37) 02/07/2017   02:51:04  (  79.41,  33.23)    2.82                60
 02/07/2017   03:41:24   ( -79.69,-157.09) 02/07/2017   03:41:41  ( -79.68,-157.22)    2.61                17
 02/09/2017   19:08:30   (  79.59, 150.45) 02/09/2017   19:07:52  (  79.60, 150.55)    1.98                38
 02/09/2017   19:57:50   ( -79.82, -40.21) 02/09/2017   19:58:29  ( -79.83, -40.10)    2.23                39
 02/12/2017   11:24:58   (  79.65, -93.28) 02/12/2017   11:24:43  (  79.65, -93.23)    1.09                15
 02/12/2017   12:14:19   ( -79.87,  76.09) 02/12/2017   12:15:21  ( -79.88,  76.16)    1.40                62
 02/15/2017   02:52:06   ( -79.52,-145.97) 02/15/2017   02:50:56  ( -79.52,-145.85)    2.48                70
 02/15/2017   03:41:26   (  79.73,  23.22) 02/15/2017   03:41:34  (  79.73,  23.26)    0.84                 8
 02/17/2017   19:08:34   ( -79.60, -29.50) 02/17/2017   19:07:47  ( -79.61, -29.37)    2.97                47