Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2021 9 1.  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)
 09/03/2021   10:35:30   ( -79.24,  96.23) 09/03/2021   10:34:42  ( -79.23,  96.15)    1.86                48
 09/03/2021   11:24:47   (  79.58, -93.87) 09/03/2021   11:25:16  (  79.58, -93.77)    2.03                29
 09/06/2021   02:51:55   ( -79.38,-146.98) 09/06/2021   02:51:34  ( -79.39,-146.91)    1.57                21
 09/06/2021   03:41:15   (  79.60,  22.15) 09/06/2021   03:42:12  (  79.59,  22.11)    0.99                57
 09/08/2021   18:19:03   (  79.11, 159.51) 09/08/2021   18:17:53  (  79.10, 159.38)    2.73                70
 09/08/2021   19:08:22   ( -79.43, -30.74) 09/08/2021   19:08:29  ( -79.43, -30.77)    0.74                 7
 09/11/2021   10:35:25   (  79.31, -83.31) 09/11/2021   10:34:42  (  79.32, -83.23)    1.83                43
 09/11/2021   11:24:48   ( -79.48,  85.47) 09/11/2021   11:25:23  ( -79.48,  85.36)    2.39                35
 09/14/2021   02:51:51   (  79.39,  33.11) 09/14/2021   02:51:36  (  79.39,  33.14)    0.66                15