Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2021 8 26.  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)
 08/26/2021   10:35:28   (  79.31, -83.33) 08/26/2021   10:34:35  (  79.32, -83.22)    2.30                53
 08/26/2021   11:24:51   ( -79.47,  85.41) 08/26/2021   11:25:16  ( -79.47,  85.29)    2.64                25
 08/29/2021   02:51:57   (  79.31,  32.54) 08/29/2021   02:51:32  (  79.30,  32.42)    2.78                25
 08/29/2021   03:41:17   ( -79.59,-157.91) 08/29/2021   03:42:09  ( -79.58,-157.97)    1.22                52
 08/31/2021   18:20:16   ( -75.94, -34.06) 08/31/2021   18:19:02  ( -76.15, -35.15)   37.10                74
 08/31/2021   19:08:23   (  79.42, 149.16) 08/31/2021   19:08:25  (  79.42, 149.11)    1.01                 2
 09/03/2021   10:35:32   ( -79.19,  95.91) 09/03/2021   10:34:44  ( -79.19,  95.78)    2.75                48
 09/03/2021   11:24:48   (  79.56, -93.98) 09/03/2021   11:25:17  (  79.56, -93.92)    1.23                29
 09/06/2021   02:51:55   ( -79.37,-147.03) 09/06/2021   02:51:34  ( -79.37,-147.03)    0.28                21
 09/06/2021   03:41:16   (  79.55,  21.80) 09/06/2021   03:42:13  (  79.54,  21.68)    2.60                57
 09/08/2021   18:19:01   (  79.18, 159.95) 09/08/2021   18:17:50  (  79.18, 160.00)    1.12                71