Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2017 3 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)
 03/08/2017   11:25:09   ( -79.53,  85.88) 03/08/2017   11:24:31  ( -79.53,  85.82)    1.29                38
 03/08/2017   12:14:27   (  79.82,-104.34) 03/08/2017   12:15:06  (  79.82,-104.24)    1.99                39
 03/11/2017   03:41:36   ( -79.63,-157.56) 03/11/2017   03:41:21  ( -79.63,-157.52)    1.09                15
 03/11/2017   04:30:57   (  79.80,  11.39) 03/11/2017   04:32:00  (  79.80,  11.28)    2.20                63
 03/13/2017   19:08:42   (  79.48, 149.62) 03/13/2017   19:07:33  (  79.49, 149.70)    1.89                69
 03/13/2017   19:58:04   ( -79.68, -41.31) 03/13/2017   19:58:13  ( -79.67, -41.42)    2.24                 9
 03/16/2017   11:25:09   (  79.52, -94.20) 03/16/2017   11:24:24  (  79.52, -94.24)    0.87                45
 03/16/2017   12:14:29   ( -79.79,  75.44) 03/16/2017   12:15:01  ( -79.80,  75.52)    1.65                32
 03/19/2017   03:41:37   (  79.56,  21.94) 03/19/2017   03:41:16  (  79.55,  21.81)    2.86                21
 03/19/2017   04:30:57   ( -79.83,-168.39) 03/19/2017   04:31:53  ( -79.83,-168.40)    0.10                56
 03/21/2017   19:09:22   ( -77.84, -39.40) 03/21/2017   19:08:08  ( -77.97, -40.03)   20.69                74