Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2021 9 4.  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)
 09/06/2021   02:52:00   ( -79.35,-147.21) 09/06/2021   02:51:35  ( -79.35,-147.16)    1.12                25
 09/06/2021   03:41:20   (  79.57,  21.96) 09/06/2021   03:42:13  (  79.56,  21.87)    1.97                53
 09/08/2021   18:21:46   (  71.48, 135.97) 09/08/2021   18:20:33  (  71.82, 133.93)   81.23                73
 09/08/2021   19:08:28   ( -79.46, -30.58) 09/08/2021   19:08:28  ( -79.47, -30.48)    2.14                 0
 09/11/2021   10:35:35   (  79.28, -83.52) 09/11/2021   10:34:43  (  79.29, -83.45)    1.53                52
 09/11/2021   11:24:58   ( -79.45,  85.24) 09/11/2021   11:25:24  ( -79.45,  85.11)    2.64                26
 09/14/2021   02:52:06   (  79.27,  32.26) 09/14/2021   02:51:40  (  79.26,  32.13)    2.87                26
 09/14/2021   03:41:25   ( -79.59,-157.92) 09/14/2021   03:42:16  ( -79.59,-157.94)    0.51                51
 09/16/2021   19:08:33   (  79.40, 149.02) 09/16/2021   19:08:32  (  79.40, 149.01)    0.35                 1