Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2019 5 6.  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, 148.26) 05/06/2019   19:07:37  (  79.31, 148.35)    2.15                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, -95.19) 05/09/2019   11:24:31  (  79.40, -95.15)    0.90                39
 05/09/2019   12:14:32   ( -79.60,  73.78) 05/09/2019   12:15:11  ( -79.59,  73.71)    1.61                39
 05/12/2019   03:41:36   (  79.46,  21.09) 05/12/2019   03:41:26  (  79.46,  21.08)    0.16                10
 05/12/2019   04:30:58   ( -79.65,-169.91) 05/12/2019   04:32:06  ( -79.65,-170.04)    2.77                68
 05/14/2019   19:08:40   ( -79.33, -31.53) 05/14/2019   19:07:41  ( -79.34, -31.39)    2.98                59
 05/14/2019   19:58:00   (  79.55, 137.61) 05/14/2019   19:58:19  (  79.55, 137.58)    0.97                19
 05/17/2019   11:25:05   ( -79.43,  84.98) 05/17/2019   11:24:35  ( -79.43,  85.08)    2.19                30
 05/17/2019   12:14:26   (  79.61,-106.14) 05/17/2019   12:15:14  (  79.60,-106.21)    1.46                48
 05/20/2019   03:41:30   ( -79.52,-158.53) 05/20/2019   03:41:29  ( -79.52,-158.45)    1.65                 1