Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2019 6 8.  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)
 06/10/2019   11:25:01   (  79.39, -95.26) 06/10/2019   11:24:47  (  79.38, -95.36)    2.37                14
 06/10/2019   12:14:22   ( -79.62,  74.01) 06/10/2019   12:15:25  ( -79.62,  73.96)    0.87                63
 06/13/2019   02:52:07   ( -79.26,-147.85) 06/13/2019   02:51:02  ( -79.27,-147.75)    2.21                65
 06/13/2019   03:41:26   (  79.52,  21.53) 06/13/2019   03:41:39  (  79.52,  21.55)    0.50                13
 06/15/2019   19:08:34   ( -79.32, -31.60) 06/15/2019   19:07:57  ( -79.31, -31.65)    1.30                37
 06/15/2019   19:57:54   (  79.54, 137.51) 06/15/2019   19:58:35  (  79.53, 137.38)    2.75                41
 06/18/2019   11:24:58   ( -79.45,  85.13) 06/18/2019   11:24:48  ( -79.45,  85.23)    2.14                10
 06/18/2019   12:14:18   (  79.66,-105.74) 06/18/2019   12:15:26  (  79.66,-105.70)    1.01                68
 06/21/2019   02:52:04   (  79.24,  32.02) 06/21/2019   02:51:05  (  79.24,  31.99)    0.73                59