Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2020 4 23.  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)
 04/25/2020   11:25:09   (  79.45, -94.84) 04/25/2020   11:24:21  (  79.46, -94.74)    2.03                48
 04/25/2020   12:14:31   ( -79.64,  74.16) 04/25/2020   12:15:01  ( -79.64,  74.10)    1.46                30
 04/28/2020   03:41:35   (  79.52,  21.53) 04/28/2020   03:41:14  (  79.52,  21.60)    1.41                21
 04/28/2020   04:30:58   ( -79.68,-169.71) 04/28/2020   04:31:55  ( -79.67,-169.81)    2.11                57
 04/30/2020   19:08:43   ( -79.29, -31.77) 04/30/2020   19:07:32  ( -79.29, -31.85)    1.64                71
 04/30/2020   19:58:01   (  79.59, 137.88) 04/30/2020   19:58:07  (  79.59, 137.94)    1.32                 6
 05/03/2020   11:25:07   ( -79.39,  84.80) 05/03/2020   11:24:23  ( -79.39,  84.74)    1.40                44
 05/03/2020   12:14:25   (  79.68,-105.53) 05/03/2020   12:14:58  (  79.69,-105.45)    1.71                33
 05/06/2020   03:41:32   ( -79.49,-158.65) 05/06/2020   03:41:15  ( -79.49,-158.68)    0.64                17