Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2021 8 26.  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)
 08/29/2021   02:51:57   (  79.30,  32.46) 08/29/2021   02:51:32  (  79.29,  32.34)    2.78                25
 08/29/2021   03:41:17   ( -79.58,-158.01) 08/29/2021   03:42:09  ( -79.57,-158.06)    1.20                52
 08/31/2021   18:20:15   ( -75.97, -33.96) 08/31/2021   18:19:01  ( -76.18, -35.04)   36.77                74
 08/31/2021   19:08:23   (  79.41, 149.07) 08/31/2021   19:08:25  (  79.41, 149.03)    0.94                 2
 09/03/2021   10:35:31   ( -79.22,  96.07) 09/03/2021   10:34:43  ( -79.21,  95.96)    2.50                48
 09/03/2021   11:24:48   (  79.55, -94.07) 09/03/2021   11:25:17  (  79.55, -94.00)    1.45                29
 09/06/2021   02:51:56   ( -79.36,-147.13) 09/06/2021   02:51:35  ( -79.36,-147.11)    0.38                21
 09/06/2021   03:41:16   (  79.57,  21.97) 09/06/2021   03:42:13  (  79.57,  21.88)    2.12                57
 09/08/2021   18:19:00   (  79.20, 160.11) 09/08/2021   18:17:49  (  79.21, 160.20)    1.83                71