Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2019 3 11.  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)
 03/11/2019   19:58:13   (  79.68, 138.70) 03/11/2019   19:58:15  (  79.68, 138.68)    0.28                 2
 03/14/2019   11:25:22   ( -79.49,  85.57) 03/14/2019   11:24:29  ( -79.49,  85.49)    1.72                53
 03/14/2019   12:14:39   (  79.82,-104.39) 03/14/2019   12:15:03  (  79.83,-104.25)    2.81                24
 03/17/2019   03:41:49   ( -79.63,-157.56) 03/17/2019   03:41:18  ( -79.64,-157.49)    1.59                31
 03/17/2019   04:31:10   (  79.81,  11.41) 03/17/2019   04:31:57  (  79.81,  11.38)    0.50                47
 03/19/2019   19:58:19   ( -79.66, -41.51) 03/19/2019   19:58:11  ( -79.65, -41.57)    1.25                 8
 03/19/2019   20:47:38   (  79.90, 128.02) 03/19/2019   20:48:47  (  79.91, 128.16)    2.93                69
 03/22/2019   11:25:26   (  79.52, -94.27) 03/22/2019   11:24:23  (  79.52, -94.22)    1.24                63
 03/22/2019   12:14:46   ( -79.79,  75.35) 03/22/2019   12:15:00  ( -79.79,  75.47)    2.56                14
 03/25/2019   03:41:54   (  79.57,  21.99) 03/25/2019   03:41:14  (  79.57,  21.93)    1.47                40