Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2017 11 22.  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)
 11/24/2017   19:08:28   (  79.54, 150.04) 11/24/2017   19:08:11  (  79.54, 149.90)    2.97                17
 11/24/2017   19:57:48   ( -79.81, -40.34) 11/24/2017   19:58:48  ( -79.81, -40.37)    0.68                60
 11/27/2017   10:35:34   ( -79.44,  97.56) 11/27/2017   10:34:24  ( -79.44,  97.60)    1.12                70
 11/27/2017   11:24:54   (  79.65, -93.28) 11/27/2017   11:25:02  (  79.65, -93.40)    2.39                 8
 11/30/2017   02:51:59   ( -79.58,-145.56) 11/30/2017   02:51:14  ( -79.59,-145.44)    2.62                45
 11/30/2017   03:41:20   (  79.75,  23.36) 11/30/2017   03:41:53  (  79.75,  23.31)    1.02                33
 12/02/2017   19:08:27   ( -79.60, -29.52) 12/02/2017   19:08:08  ( -79.60, -29.58)    1.44                19
 12/02/2017   19:57:46   (  79.85, 139.96) 12/02/2017   19:58:44  (  79.85, 140.02)    1.15                58
 12/05/2017   10:35:32   (  79.42, -82.58) 12/05/2017   10:34:21  (  79.41, -82.65)    1.54                71