Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2019 3 15.  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   03:41:52   ( -79.53,-158.35) 03/17/2019   03:41:22  ( -79.52,-158.45)    2.29                30
 03/17/2019   04:31:11   (  79.79,  11.17) 03/17/2019   04:31:58  (  79.80,  11.26)    1.91                47
 03/19/2019   19:58:18   ( -79.66, -41.54) 03/19/2019   19:58:10  ( -79.67, -41.43)    2.47                 8
 03/19/2019   20:47:39   (  79.84, 127.45) 03/19/2019   20:48:49  (  79.84, 127.46)    0.14                70
 03/22/2019   11:25:27   (  79.45, -94.84) 03/22/2019   11:24:25  (  79.44, -94.87)    0.69                62
 03/22/2019   12:14:47   ( -79.72,  74.73) 03/22/2019   12:15:02  ( -79.72,  74.77)    0.83                15
 03/25/2019   03:41:57   (  79.46,  21.14) 03/25/2019   03:41:18  (  79.46,  21.01)    2.75                39
 03/25/2019   04:31:17   ( -79.73,-169.27) 03/25/2019   04:31:55  ( -79.73,-169.32)    0.98                38
 03/27/2019   19:58:23   (  79.63, 138.18) 03/27/2019   19:58:06  (  79.63, 138.26)    1.55                17