Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2019 6 27.  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)
 06/29/2019   02:52:03   ( -79.25,-147.89) 06/29/2019   02:51:08  ( -79.26,-147.84)    1.01                55
 06/29/2019   03:41:22   (  79.51,  21.49) 06/29/2019   03:41:45  (  79.51,  21.49)    0.18                23
 07/01/2019   19:08:29   ( -79.33, -31.53) 07/01/2019   19:08:01  ( -79.33, -31.53)    0.14                28
 07/01/2019   19:57:48   (  79.58, 137.86) 07/01/2019   19:58:38  (  79.58, 137.82)    0.88                50
 07/04/2019   11:24:55   ( -79.43,  85.05) 07/04/2019   11:24:54  ( -79.43,  85.05)    0.18                 1
 07/04/2019   12:11:50   (  81.51, -50.65) 07/04/2019   12:13:02  (  80.75, -51.81)   86.33                72
 07/07/2019   02:52:01   (  79.24,  32.05) 07/07/2019   02:51:10  (  79.25,  32.07)    0.50                51
 07/07/2019   03:41:21   ( -79.53,-158.39) 07/07/2019   03:41:47  ( -79.53,-158.36)    0.62                26
 07/09/2019   19:08:26   (  79.38, 148.79) 07/09/2019   19:08:02  (  79.38, 148.88)    1.87                24