Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2019 7 15.  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)
 07/17/2019   19:08:26   ( -79.37, -31.26) 07/17/2019   19:08:05  ( -79.37, -31.23)    0.59                21
 07/17/2019   19:57:46   (  79.59, 137.89) 07/17/2019   19:58:43  (  79.58, 137.85)    0.93                57
 07/20/2019   10:35:31   (  79.17, -84.27) 07/20/2019   10:34:20  (  79.18, -84.22)    1.14                71
 07/20/2019   11:24:51   ( -79.46,  85.22) 07/20/2019   11:24:57  ( -79.46,  85.31)    1.92                 6
 07/23/2019   02:51:56   (  79.30,  32.41) 07/23/2019   02:51:12  (  79.31,  32.54)    2.80                44
 07/23/2019   03:41:19   ( -79.47,-158.83) 07/23/2019   03:41:53  ( -79.46,-158.95)    2.65                34
 07/25/2019   19:08:24   (  79.30, 148.33) 07/25/2019   19:08:08  (  79.30, 148.25)    1.57                16
 07/25/2019   19:57:44   ( -79.59, -42.11) 07/25/2019   19:58:45  ( -79.59, -42.13)    0.42                61
 07/28/2019   10:35:29   ( -79.21,  95.93) 07/28/2019   10:34:22  ( -79.22,  96.06)    2.89                67