Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2021 8 6.  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)
 08/07/2021   19:08:23   ( -79.37, -31.21) 08/07/2021   19:08:14  ( -79.36, -31.31)    2.16                 9
 08/07/2021   19:57:40   (  79.70, 138.77) 08/07/2021   19:58:48  (  79.71, 138.90)    2.71                68
 08/10/2021   10:35:28   (  79.27, -83.63) 08/10/2021   10:34:28  (  79.27, -83.53)    2.25                60
 08/10/2021   11:24:48   ( -79.55,  85.90) 08/10/2021   11:25:05  ( -79.56,  86.04)    3.00                17
 08/13/2021   02:51:55   (  79.37,  32.90) 08/13/2021   02:51:22  (  79.37,  32.97)    1.43                33
 08/13/2021   03:41:16   ( -79.61,-157.79) 08/13/2021   03:42:00  ( -79.62,-157.68)    2.22                44
 08/15/2021   19:08:22   (  79.42, 149.16) 08/15/2021   19:08:16  (  79.43, 149.21)    1.03                 6
 08/15/2021   19:57:42   ( -79.70, -41.22) 08/15/2021   19:58:53  ( -79.71, -41.13)    1.87                71
 08/18/2021   10:35:29   ( -79.30,  96.60) 08/18/2021   10:34:32  ( -79.31,  96.72)    2.58                57