Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2021 8 22.  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)
 08/23/2021   19:08:23   ( -79.47, -30.49) 08/23/2021   19:08:20  ( -79.48, -30.36)    2.75                 3
 08/23/2021   19:56:47   (  81.33, 157.05) 08/23/2021   19:58:00  (  81.05, 157.86)   33.93                73
 08/26/2021   10:35:28   (  79.31, -83.33) 08/26/2021   10:34:35  (  79.32, -83.21)    2.46                53
 08/26/2021   11:24:51   ( -79.48,  85.43) 08/26/2021   11:25:16  ( -79.47,  85.31)    2.58                25
 08/29/2021   02:51:57   (  79.31,  32.55) 08/29/2021   02:51:32  (  79.30,  32.44)    2.49                25
 08/29/2021   03:41:17   ( -79.59,-157.89) 08/29/2021   03:42:09  ( -79.59,-157.94)    1.03                52
 08/31/2021   18:20:13   ( -76.09, -33.60) 08/31/2021   18:18:59  ( -76.29, -34.64)   35.50                74
 08/31/2021   19:08:23   (  79.42, 149.17) 08/31/2021   19:08:25  (  79.42, 149.14)    0.56                 2
 09/03/2021   10:35:31   ( -79.24,  96.19) 09/03/2021   10:34:43  ( -79.23,  96.10)    2.14                48