Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2019 3 18.  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   ( -79.56, -42.26) 03/19/2019   19:58:14  ( -79.56, -42.41)    3.16                 7
 03/19/2019   20:47:39   (  79.85, 127.56) 03/19/2019   20:48:49  (  79.86, 127.60)    0.77                70
 03/22/2019   11:25:27   (  79.46, -94.77) 03/22/2019   11:24:25  (  79.46, -94.73)    0.82                62
 03/22/2019   12:14:47   ( -79.72,  74.79) 03/22/2019   12:15:02  ( -79.73,  74.90)    2.36                15
 03/25/2019   03:41:54   (  79.54,  21.69) 03/25/2019   03:41:15  (  79.54,  21.69)    0.26                39
 03/25/2019   04:31:15   ( -79.77,-168.99) 03/25/2019   04:31:53  ( -79.78,-168.91)    1.74                38
 03/27/2019   19:58:23   (  79.58, 137.88) 03/27/2019   19:58:07  (  79.58, 137.84)    0.79                16
 03/27/2019   20:47:44   ( -79.81, -52.78) 03/27/2019   20:48:45  ( -79.82, -52.72)    1.39                61
 03/30/2019   11:25:30   ( -79.48,  85.40) 03/30/2019   11:24:19  ( -79.49,  85.51)    2.42                71