Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2020 3 21.  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)
 03/21/2020   19:58:08   ( -79.68, -41.37) 03/21/2020   19:58:02  ( -79.69, -41.27)    2.09                 6
 03/21/2020   20:47:29   (  79.86, 127.67) 03/21/2020   20:48:41  (  79.86, 127.65)    0.53                72
 03/24/2020   11:25:16   (  79.45, -94.79) 03/24/2020   11:24:20  (  79.44, -94.93)    3.08                56
 03/24/2020   12:14:36   ( -79.71,  74.75) 03/24/2020   12:14:57  ( -79.71,  74.70)    1.06                21
 03/27/2020   03:41:41   (  79.59,  22.07) 03/27/2020   03:41:11  (  79.59,  22.10)    0.51                30
 03/27/2020   04:31:02   ( -79.81,-168.61) 03/27/2020   04:31:49  ( -79.82,-168.49)    2.63                47
 03/29/2020   19:58:09   (  79.61, 138.11) 03/29/2020   19:58:06  (  79.61, 138.02)    1.94                 3
 03/29/2020   20:47:26   ( -79.98, -51.42) 03/29/2020   20:48:40  ( -79.96, -51.37)    2.02                74
 04/01/2020   11:25:14   ( -79.49,  85.49) 04/01/2020   11:24:20  ( -79.48,  85.44)    1.13                54
 04/01/2020   12:14:32   (  79.77,-104.78) 04/01/2020   12:14:55  (  79.78,-104.65)    2.48                23
 04/04/2020   03:41:41   ( -79.54,-158.25) 04/04/2020   03:41:14  ( -79.53,-158.37)    2.73                27