Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2019 7 12.  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)
 07/15/2019   02:52:01   ( -79.23,-148.02) 07/15/2019   02:51:13  ( -79.23,-148.04)    0.48                48
 07/15/2019   03:41:20   (  79.49,  21.35) 07/15/2019   03:41:50  (  79.49,  21.27)    1.81                30
 07/17/2019   19:08:26   ( -79.36, -31.29) 07/17/2019   19:08:05  ( -79.36, -31.25)    0.73                21
 07/17/2019   19:57:46   (  79.58, 137.84) 07/17/2019   19:58:43  (  79.58, 137.81)    0.59                57
 07/20/2019   10:35:30   (  79.20, -84.09) 07/20/2019   10:34:19  (  79.21, -84.00)    1.77                71
 07/20/2019   11:24:50   ( -79.49,  85.44) 07/20/2019   11:24:56  ( -79.49,  85.55)    2.45                 6
 07/23/2019   02:51:58   (  79.21,  31.82) 07/23/2019   02:51:15  (  79.20,  31.71)    2.55                43
 07/23/2019   03:41:18   ( -79.49,-158.64) 07/23/2019   03:41:52  ( -79.49,-158.71)    1.69                34
 07/25/2019   19:08:22   (  79.36, 148.72) 07/25/2019   19:08:06  (  79.36, 148.73)    0.26                16