Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2019 5 5.  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)
 05/06/2019   19:08:45   (  79.30, 148.25) 05/06/2019   19:07:37  (  79.31, 148.35)    2.18                68
 05/06/2019   19:58:06   ( -79.53, -42.55) 05/06/2019   19:58:16  ( -79.53, -42.56)    0.22                10
 05/09/2019   11:25:10   (  79.40, -95.20) 05/09/2019   11:24:31  (  79.40, -95.15)    0.95                39
 05/09/2019   12:14:32   ( -79.60,  73.78) 05/09/2019   12:15:11  ( -79.59,  73.71)    1.58                39
 05/12/2019   03:41:36   (  79.46,  21.09) 05/12/2019   03:41:26  (  79.46,  21.08)    0.06                10
 05/12/2019   04:30:58   ( -79.66,-169.90) 05/12/2019   04:32:06  ( -79.65,-170.03)    2.70                68
 05/14/2019   19:08:40   ( -79.33, -31.52) 05/14/2019   19:07:41  ( -79.35, -31.38)    3.13                59
 05/14/2019   19:58:00   (  79.55, 137.62) 05/14/2019   19:58:19  (  79.55, 137.59)    0.81                19
 05/17/2019   11:25:05   ( -79.43,  85.00) 05/17/2019   11:24:35  ( -79.44,  85.11)    2.43                30