Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2019 7 9.  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)
 07/12/2019   10:36:21   ( -77.16,  85.95) 07/12/2019   10:35:07  ( -77.30,  85.22)   23.88                74
 07/12/2019   11:24:55   (  79.37, -95.34) 07/12/2019   11:24:58  (  79.37, -95.46)    2.50                 3
 07/15/2019   02:52:01   ( -79.25,-147.92) 07/15/2019   02:51:13  ( -79.24,-147.95)    0.71                48
 07/15/2019   03:41:21   (  79.47,  21.17) 07/15/2019   03:41:51  (  79.46,  21.08)    1.92                30
 07/17/2019   19:08:26   ( -79.34, -31.44) 07/17/2019   19:08:05  ( -79.34, -31.43)    0.33                21
 07/17/2019   19:57:45   (  79.59, 137.93) 07/17/2019   19:58:42  (  79.59, 137.90)    0.96                57
 07/20/2019   10:35:31   (  79.18, -84.25) 07/20/2019   10:34:20  (  79.18, -84.19)    1.14                71
 07/20/2019   11:24:51   ( -79.47,  85.29) 07/20/2019   11:24:57  ( -79.47,  85.37)    1.77                 6
 07/23/2019   02:51:56   (  79.30,  32.43) 07/23/2019   02:51:12  (  79.31,  32.55)    2.83                44