Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2021 7 28.  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)
 07/28/2021   03:41:17   ( -79.51,-158.45) 07/28/2021   03:41:53  ( -79.51,-158.55)    2.05                36
 07/30/2021   19:08:21   (  79.43, 149.19) 07/30/2021   19:08:07  (  79.43, 149.27)    1.57                14
 07/30/2021   19:57:41   ( -79.70, -41.25) 07/30/2021   19:58:44  ( -79.70, -41.12)    2.56                63
 08/02/2021   10:35:27   ( -79.27,  96.42) 08/02/2021   10:34:23  ( -79.28,  96.50)    1.84                64
 08/02/2021   11:24:47   (  79.49, -94.47) 08/02/2021   11:25:01  (  79.50, -94.45)    0.41                14
 08/05/2021   02:51:54   ( -79.34,-147.27) 08/05/2021   02:51:18  ( -79.34,-147.22)    1.03                36
 08/05/2021   03:41:13   (  79.59,  22.11) 08/05/2021   03:41:55  (  79.59,  22.10)    0.38                42
 08/07/2021   19:08:20   ( -79.44, -30.73) 08/07/2021   19:08:12  ( -79.44, -30.69)    0.80                 8
 08/07/2021   19:57:40   (  79.65, 138.40) 08/07/2021   19:58:50  (  79.65, 138.38)    0.37                70
 08/10/2021   10:35:26   (  79.24, -83.78) 08/10/2021   10:34:29  (  79.25, -83.76)    0.52                57