Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2019 7 23.  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   (  79.35, 148.60) 07/25/2019   19:08:06  (  79.35, 148.67)    1.63                19
 07/25/2019   19:57:45   ( -79.62, -41.86) 07/25/2019   19:58:43  ( -79.63, -41.73)    2.86                58
 07/28/2019   10:35:33   ( -79.16,  95.64) 07/28/2019   10:34:23  ( -79.16,  95.65)    0.31                70
 07/28/2019   11:24:53   (  79.38, -95.28) 07/28/2019   11:25:01  (  79.38, -95.37)    2.03                 8
 07/31/2019   02:52:01   ( -79.19,-148.26) 07/31/2019   02:51:18  ( -79.18,-148.39)    2.96                43
 07/31/2019   03:41:18   (  79.53,  21.60) 07/31/2019   03:41:52  (  79.53,  21.66)    1.06                34
 08/02/2019   19:08:25   ( -79.34, -31.43) 08/02/2019   19:08:08  ( -79.34, -31.41)    0.51                17
 08/02/2019   19:57:45   (  79.56, 137.69) 08/02/2019   19:58:46  (  79.55, 137.60)    1.99                61
 08/05/2019   10:35:30   (  79.20, -84.12) 08/05/2019   10:34:22  (  79.20, -84.01)    2.46                68