Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2019 3 19.  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)
 03/19/2019   19:58:21   ( -79.57, -42.22) 03/19/2019   19:58:14  ( -79.56, -42.36)    3.10                 7
 03/19/2019   20:47:39   (  79.86, 127.61) 03/19/2019   20:48:49  (  79.86, 127.66)    0.84                70
 03/22/2019   11:25:26   (  79.46, -94.73) 03/22/2019   11:24:24  (  79.47, -94.68)    0.97                62
 03/22/2019   12:14:46   ( -79.73,  74.82) 03/22/2019   12:15:01  ( -79.74,  74.95)    2.53                15
 03/25/2019   03:41:54   (  79.55,  21.73) 03/25/2019   03:41:15  (  79.54,  21.75)    0.33                39
 03/25/2019   04:31:15   ( -79.77,-168.96) 03/25/2019   04:31:53  ( -79.78,-168.86)    2.10                38
 03/27/2019   19:58:23   (  79.59, 137.91) 03/27/2019   19:58:07  (  79.59, 137.90)    0.21                16
 03/27/2019   20:47:43   ( -79.85, -52.48) 03/27/2019   20:48:44  ( -79.86, -52.38)    1.98                61
 03/30/2019   11:25:33   ( -79.37,  84.64) 03/30/2019   11:24:23  ( -79.36,  84.50)    3.04                70
 03/30/2019   12:14:51   (  79.66,-105.66) 03/30/2019   12:14:58  (  79.66,-105.68)    0.30                 7
 04/02/2019   03:42:00   ( -79.45,-158.97) 04/02/2019   03:41:13  ( -79.44,-159.09)    2.65                47