Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2021 8 8.  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)
 08/10/2021   10:35:28   (  79.28, -83.56) 08/10/2021   10:34:28  (  79.28, -83.46)    2.12                60
 08/10/2021   11:24:48   ( -79.55,  85.95) 08/10/2021   11:25:05  ( -79.56,  86.09)    3.00                17
 08/13/2021   02:51:55   (  79.34,  32.71) 08/13/2021   02:51:22  (  79.34,  32.76)    1.16                33
 08/13/2021   03:41:15   ( -79.62,-157.74) 08/13/2021   03:41:59  ( -79.62,-157.64)    2.03                44
 08/15/2021   19:08:22   (  79.43, 149.23) 08/15/2021   19:08:16  (  79.43, 149.25)    0.48                 6
 08/15/2021   19:57:43   ( -79.67, -41.44) 08/15/2021   19:58:54  ( -79.68, -41.38)    1.40                71
 08/18/2021   10:35:30   ( -79.27,  96.38) 08/18/2021   10:34:33  ( -79.28,  96.46)    1.78                57
 08/18/2021   11:24:49   (  79.52, -94.27) 08/18/2021   11:25:10  (  79.52, -94.27)    0.23                21
 08/21/2021   02:51:57   ( -79.36,-147.15) 08/21/2021   02:51:27  ( -79.37,-147.07)    1.73                30