Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2019 3 17.  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)
 03/17/2019   04:31:10   (  79.82,  11.40) 03/17/2019   04:31:57  (  79.82,  11.51)    2.08                47
 03/19/2019   19:58:20   ( -79.58, -42.16) 03/19/2019   19:58:13  ( -79.57, -42.30)    3.02                 7
 03/19/2019   20:47:39   (  79.83, 127.37) 03/19/2019   20:48:49  (  79.84, 127.41)    0.94                70
 03/22/2019   11:25:26   (  79.47, -94.69) 03/22/2019   11:24:24  (  79.47, -94.64)    1.25                62
 03/22/2019   12:14:46   ( -79.74,  74.87) 03/22/2019   12:15:01  ( -79.74,  75.01)    2.79                15
 03/25/2019   03:41:54   (  79.55,  21.75) 03/25/2019   03:41:15  (  79.55,  21.79)    0.78                39
 03/25/2019   04:31:15   ( -79.78,-168.92) 03/25/2019   04:31:53  ( -79.79,-168.80)    2.61                38
 03/27/2019   19:58:22   (  79.63, 138.19) 03/27/2019   19:58:06  (  79.63, 138.22)    0.74                16
 03/27/2019   20:47:43   ( -79.85, -52.46) 03/27/2019   20:48:44  ( -79.86, -52.32)    2.83                61
 03/30/2019   11:25:31   ( -79.41,  84.90) 03/30/2019   11:24:21  ( -79.40,  84.82)    1.78                70