Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2019 8 25.  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)
 08/26/2019   19:08:23   (  79.33, 148.51) 08/26/2019   19:08:11  (  79.33, 148.52)    0.17                12
 08/26/2019   19:57:45   ( -79.53, -42.54) 08/26/2019   19:58:51  ( -79.52, -42.66)    2.72                66
 08/29/2019   10:35:32   ( -79.10,  95.28) 08/29/2019   10:34:29  ( -79.09,  95.21)    1.60                63
 08/29/2019   11:24:50   (  79.41, -95.10) 08/29/2019   11:25:04  (  79.41, -95.09)    0.25                14
 09/01/2019   02:51:58   ( -79.18,-148.35) 09/01/2019   02:51:21  ( -79.18,-148.42)    1.37                37
 09/01/2019   03:41:16   (  79.48,  21.28) 09/01/2019   03:41:56  (  79.49,  21.30)    0.67                40
 09/03/2019   19:08:24   ( -79.29, -31.75) 09/03/2019   19:08:13  ( -79.29, -31.79)    0.91                11
 09/03/2019   19:57:42   (  79.59, 137.92) 09/03/2019   19:58:48  (  79.59, 137.97)    1.20                66
 09/06/2019   10:35:29   (  79.16, -84.38) 09/06/2019   10:34:26  (  79.17, -84.25)    2.85                63