Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2019 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)
 03/22/2019   11:25:27   (  79.49, -94.55) 03/22/2019   11:24:24  (  79.49, -94.46)    1.72                63
 03/22/2019   12:14:50   ( -79.64,  74.18) 03/22/2019   12:15:05  ( -79.63,  74.04)    3.11                15
 03/25/2019   03:41:55   (  79.56,  21.86) 03/25/2019   03:41:14  (  79.57,  21.97)    2.20                41
 03/25/2019   04:31:18   ( -79.72,-169.38) 03/25/2019   04:31:55  ( -79.71,-169.50)    2.37                37
 03/27/2019   19:58:27   (  79.52, 137.45) 03/27/2019   19:58:09  (  79.52, 137.29)    3.17                18
 03/27/2019   20:47:47   ( -79.79, -52.98) 03/27/2019   20:48:46  ( -79.79, -53.03)    1.04                59
 03/30/2019   11:25:34   ( -79.44,  85.13) 03/30/2019   11:24:20  ( -79.45,  85.23)    2.19                74
 03/30/2019   12:14:55   (  79.63,-105.94) 03/30/2019   12:14:59  (  79.62,-106.01)    1.53                 4
 04/02/2019   03:42:04   ( -79.47,-158.81) 04/02/2019   03:41:13  ( -79.46,-158.89)    1.81                51
 04/02/2019   04:31:23   (  79.73,  10.66) 04/02/2019   04:31:49  (  79.73,  10.70)    0.70                26
 04/04/2019   19:58:31   ( -79.57, -42.26) 04/04/2019   19:58:02  ( -79.57, -42.20)    1.18                29