Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2019 7 24.  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)
 07/25/2019   19:08:25   (  79.38, 148.79) 07/25/2019   19:08:06  (  79.38, 148.87)    1.54                19
 07/25/2019   19:57:44   ( -79.65, -41.68) 07/25/2019   19:58:42  ( -79.65, -41.53)    2.96                58
 07/28/2019   10:35:33   ( -79.15,  95.57) 07/28/2019   10:34:23  ( -79.15,  95.58)    0.22                70
 07/28/2019   11:24:53   (  79.37, -95.34) 07/28/2019   11:25:01  (  79.37, -95.44)    2.22                 8
 07/31/2019   02:51:58   ( -79.30,-147.57) 07/31/2019   02:51:14  ( -79.31,-147.43)    3.15                44
 07/31/2019   03:41:18   (  79.52,  21.55) 07/31/2019   03:41:52  (  79.52,  21.58)    0.68                34
 08/02/2019   19:08:26   ( -79.34, -31.48) 08/02/2019   19:08:09  ( -79.34, -31.48)    0.07                17
 08/02/2019   19:57:46   (  79.55, 137.64) 08/02/2019   19:58:47  (  79.54, 137.52)    2.66                61
 08/05/2019   10:35:32   (  79.15, -84.40) 08/05/2019   10:34:24  (  79.16, -84.34)    1.46                68