Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2021 7 31.  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)
 08/02/2021   10:35:28   ( -79.26,  96.30) 08/02/2021   10:34:24  ( -79.26,  96.39)    1.94                64
 08/02/2021   11:24:47   (  79.52, -94.30) 08/02/2021   11:25:01  (  79.52, -94.28)    0.49                14
 08/05/2021   02:51:54   ( -79.36,-147.13) 08/05/2021   02:51:18  ( -79.36,-147.07)    1.26                36
 08/05/2021   03:41:14   (  79.58,  22.01) 08/05/2021   03:41:56  (  79.58,  22.00)    0.10                42
 08/07/2021   19:08:19   ( -79.46, -30.59) 08/07/2021   19:08:11  ( -79.46, -30.53)    1.20                 8
 08/07/2021   19:57:39   (  79.67, 138.56) 08/07/2021   19:58:49  (  79.67, 138.56)    0.21                70
 08/10/2021   10:35:25   (  79.26, -83.64) 08/10/2021   10:34:28  (  79.27, -83.59)    1.04                57
 08/10/2021   11:24:45   ( -79.55,  85.93) 08/10/2021   11:25:05  ( -79.55,  86.01)    1.72                20
 08/13/2021   02:51:50   (  79.39,  33.07) 08/13/2021   02:51:21  (  79.40,  33.17)    2.14                29