Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2021 8 14.  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)
 08/15/2021   19:08:22   (  79.43, 149.19) 08/15/2021   19:08:16  (  79.43, 149.21)    0.59                 6
 08/15/2021   19:57:42   ( -79.70, -41.25) 08/15/2021   19:58:53  ( -79.70, -41.17)    1.65                71
 08/18/2021   10:35:29   ( -79.30,  96.57) 08/18/2021   10:34:32  ( -79.30,  96.67)    2.13                57
 08/18/2021   11:24:49   (  79.52, -94.31) 08/18/2021   11:25:10  (  79.52, -94.30)    0.36                21
 08/21/2021   02:51:56   ( -79.39,-146.96) 08/21/2021   02:51:26  ( -79.39,-146.85)    2.22                30
 08/21/2021   03:41:16   (  79.60,  22.17) 08/21/2021   03:42:04  (  79.60,  22.20)    0.49                48
 08/23/2021   19:08:23   ( -79.47, -30.50) 08/23/2021   19:08:20  ( -79.48, -30.37)    2.68                 3
 08/23/2021   19:56:46   (  81.34, 157.35) 08/23/2021   19:57:59  (  81.06, 158.15)   34.41                73
 08/26/2021   10:35:28   (  79.30, -83.38) 08/26/2021   10:34:35  (  79.31, -83.27)    2.34                53