Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2019 3 8.  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)
 03/09/2019   03:41:43   (  79.66,  22.66) 03/09/2019   03:41:22  (  79.67,  22.76)    2.30                21
 03/09/2019   04:31:04   ( -79.89,-167.99) 03/09/2019   04:32:00  ( -79.89,-167.83)    3.18                56
 03/11/2019   19:10:34   ( -74.86, -49.43) 03/11/2019   19:09:20  ( -75.15, -50.96)   54.52                74
 03/11/2019   19:58:11   (  79.73, 139.06) 03/11/2019   19:58:12  (  79.73, 139.13)    1.46                 1
 03/14/2019   11:25:21   ( -79.55,  85.98) 03/14/2019   11:24:26  ( -79.56,  86.04)    1.26                55
 03/14/2019   12:14:42   (  79.73,-105.08) 03/14/2019   12:15:05  (  79.73,-105.15)    1.42                23
 03/17/2019   03:41:49   ( -79.66,-157.35) 03/17/2019   03:41:15  ( -79.67,-157.21)    3.03                34
 03/17/2019   04:31:10   (  79.84,  11.60) 03/17/2019   04:31:54  (  79.83,  11.62)    0.32                44
 03/19/2019   19:58:19   ( -79.70, -41.22) 03/19/2019   19:58:06  ( -79.71, -41.09)    2.84                13