Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2021 9 22.  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)
 09/22/2021   02:52:10   ( -79.27,-147.70) 09/22/2021   02:51:43  ( -79.27,-147.79)    1.91                27
 09/22/2021   03:41:28   (  79.58,  22.00) 09/22/2021   03:42:18  (  79.58,  22.02)    0.54                50
 09/24/2021   19:08:35   ( -79.47, -30.51) 09/24/2021   19:08:33  ( -79.48, -30.40)    2.39                 2
 09/24/2021   19:56:31   (  81.74, 168.33) 09/24/2021   19:57:44  (  81.29, 168.85)   50.20                73
 09/27/2021   10:35:45   (  79.19, -84.12) 09/27/2021   10:34:52  (  79.18, -84.22)    2.27                53
 09/27/2021   11:25:04   ( -79.51,  85.63) 09/27/2021   11:25:28  ( -79.51,  85.66)    0.76                24
 09/30/2021   02:52:10   (  79.38,  32.97) 09/30/2021   02:51:42  (  79.39,  33.11)    2.90                28
 09/30/2021   03:41:32   ( -79.58,-158.00) 09/30/2021   03:42:22  ( -79.58,-158.01)    0.43                50
 10/02/2021   19:08:37   (  79.44, 149.29) 10/02/2021   19:08:35  (  79.45, 149.39)    2.17                 2
 10/02/2021   19:56:45   ( -81.60, -16.48) 10/02/2021   19:57:59  ( -81.22, -16.04)   43.12                74
 10/05/2021   10:35:47   ( -79.21,  95.98) 10/05/2021   10:34:54  ( -79.21,  95.96)    0.42                53