Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2019 3 22.  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)
 03/25/2019   03:41:55   (  79.57,  21.88) 03/25/2019   03:41:14  (  79.57,  21.97)    2.07                41
 03/25/2019   04:31:18   ( -79.72,-169.38) 03/25/2019   04:31:55  ( -79.71,-169.49)    2.46                37
 03/27/2019   19:58:24   (  79.64, 138.26) 03/27/2019   19:58:05  (  79.65, 138.40)    2.95                19
 03/27/2019   20:47:47   ( -79.79, -52.97) 03/27/2019   20:48:46  ( -79.79, -53.03)    1.32                59
 03/30/2019   11:25:34   ( -79.45,  85.14) 03/30/2019   11:24:20  ( -79.45,  85.22)    1.65                74
 03/30/2019   12:14:55   (  79.63,-105.92) 03/30/2019   12:14:59  (  79.62,-106.02)    2.11                 4
 04/02/2019   03:42:05   ( -79.44,-159.06) 04/02/2019   03:41:14  ( -79.43,-159.18)    2.69                51
 04/02/2019   04:31:23   (  79.73,  10.68) 04/02/2019   04:31:49  (  79.73,  10.67)    0.33                26
 04/04/2019   19:58:31   ( -79.57, -42.24) 04/04/2019   19:58:02  ( -79.57, -42.24)    0.29                29