Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2021 7 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)
 07/25/2021   10:35:29   (  79.21, -84.01) 07/25/2021   10:34:20  (  79.20, -84.03)    0.53                69
 07/25/2021   11:24:49   ( -79.49,  85.47) 07/25/2021   11:24:57  ( -79.49,  85.49)    0.61                 8
 07/28/2021   02:51:56   (  79.28,  32.36) 07/28/2021   02:51:15  (  79.28,  32.26)    2.36                41
 07/28/2021   03:41:17   ( -79.53,-158.38) 07/28/2021   03:41:53  ( -79.52,-158.45)    1.37                36
 07/30/2021   19:08:19   (  79.47, 149.49) 07/30/2021   19:08:05  (  79.48, 149.63)    2.93                14
 07/30/2021   19:57:43   ( -79.60, -41.99) 07/30/2021   19:58:47  ( -79.59, -42.11)    2.57                64
 08/02/2021   10:35:30   ( -79.17,  95.72) 08/02/2021   10:34:27  ( -79.16,  95.61)    2.50                63
 08/02/2021   11:24:46   (  79.54, -94.18) 08/02/2021   11:25:00  (  79.54, -94.06)    2.49                14
 08/05/2021   02:51:56   ( -79.27,-147.74) 08/05/2021   02:51:21  ( -79.26,-147.85)    2.39                35