Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2018 7 31.  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)
 08/02/2018   11:25:19   ( -79.26,  83.90) 08/02/2018   11:24:43  ( -79.25,  83.82)    1.82                36
 08/02/2018   12:14:37   (  79.56,-106.42) 08/02/2018   12:15:18  (  79.56,-106.39)    0.62                41
 08/05/2018   03:41:42   ( -79.45,-158.92) 08/05/2018   03:41:34  ( -79.46,-158.79)    2.89                 8
 08/05/2018   04:31:04   (  79.60,   9.74) 08/05/2018   04:32:14  (  79.60,   9.68)    1.26                70
 08/07/2018   19:08:50   (  79.18, 147.50) 08/07/2018   19:07:54  (  79.17, 147.39)    2.48                56
 08/07/2018   19:58:09   ( -79.49, -42.78) 08/07/2018   19:58:30  ( -79.50, -42.71)    1.51                21
 08/10/2018   11:25:12   (  79.37, -95.39) 08/10/2018   11:24:44  (  79.37, -95.27)    2.55                28
 08/10/2018   12:14:34   ( -79.57,  73.62) 08/10/2018   12:15:24  ( -79.57,  73.63)    0.40                50
 08/13/2018   02:53:42   ( -75.41,-163.88) 08/13/2018   02:52:28  ( -75.64,-165.10)   42.52                74