Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2021 7 29.  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)
 07/30/2021   19:08:20   (  79.44, 149.26) 07/30/2021   19:08:06  (  79.44, 149.33)    1.60                14
 07/30/2021   19:57:41   ( -79.67, -41.46) 07/30/2021   19:58:44  ( -79.68, -41.34)    2.66                63
 08/02/2021   10:35:27   ( -79.28,  96.47) 08/02/2021   10:34:23  ( -79.29,  96.56)    1.98                64
 08/02/2021   11:24:47   (  79.50, -94.41) 08/02/2021   11:25:01  (  79.50, -94.38)    0.47                14
 08/05/2021   02:51:54   ( -79.35,-147.22) 08/05/2021   02:51:18  ( -79.35,-147.17)    1.20                36
 08/05/2021   03:41:14   (  79.56,  21.90) 08/05/2021   03:41:56  (  79.57,  21.89)    0.25                42
 08/07/2021   19:08:20   ( -79.44, -30.69) 08/07/2021   19:08:12  ( -79.45, -30.64)    1.02                 8
 08/07/2021   19:57:40   (  79.66, 138.45) 08/07/2021   19:58:50  (  79.66, 138.44)    0.19                70
 08/10/2021   10:35:25   (  79.25, -83.74) 08/10/2021   10:34:28  (  79.25, -83.71)    0.74                57