Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2019 3 20.  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   (  79.48, -94.59) 03/22/2019   11:24:24  (  79.49, -94.51)    1.68                63
 03/22/2019   12:14:50   ( -79.64,  74.15) 03/22/2019   12:15:05  ( -79.63,  74.00)    3.16                15
 03/25/2019   03:41:56   (  79.56,  21.83) 03/25/2019   03:41:15  (  79.57,  21.92)    1.91                41
 03/25/2019   04:31:19   ( -79.71,-169.41) 03/25/2019   04:31:56  ( -79.71,-169.53)    2.67                37
 03/27/2019   19:58:24   (  79.63, 138.24) 03/27/2019   19:58:05  (  79.64, 138.36)    2.50                19
 03/27/2019   20:47:47   ( -79.79, -52.98) 03/27/2019   20:48:46  ( -79.78, -53.06)    1.82                59
 03/30/2019   11:25:35   ( -79.41,  84.90) 03/30/2019   11:24:21  ( -79.41,  84.93)    0.78                74
 03/30/2019   12:14:56   (  79.59,-106.18) 03/30/2019   12:15:00  (  79.59,-106.33)    3.00                 4
 04/02/2019   03:42:03   ( -79.52,-158.48) 04/02/2019   03:41:11  ( -79.53,-158.38)    2.23                52