Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2021 8 7.  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)    2.18                 9
 08/07/2021   19:57:40   (  79.70, 138.77) 08/07/2021   19:58:48  (  79.71, 138.90)    2.66                68
 08/10/2021   10:35:28   (  79.27, -83.63) 08/10/2021   10:34:28  (  79.27, -83.53)    2.14                60
 08/10/2021   11:24:48   ( -79.55,  85.90) 08/10/2021   11:25:05  ( -79.56,  86.03)    2.92                17
 08/13/2021   02:51:55   (  79.37,  32.91) 08/13/2021   02:51:22  (  79.37,  32.97)    1.27                33
 08/13/2021   03:41:16   ( -79.61,-157.78) 08/13/2021   03:42:00  ( -79.62,-157.69)    2.05                44
 08/15/2021   19:08:22   (  79.43, 149.18) 08/15/2021   19:08:16  (  79.43, 149.21)    0.77                 6
 08/15/2021   19:57:43   ( -79.67, -41.48) 08/15/2021   19:58:54  ( -79.67, -41.41)    1.63                71
 08/18/2021   10:35:30   ( -79.27,  96.36) 08/18/2021   10:34:33  ( -79.27,  96.46)    2.27                57
 08/18/2021   11:24:49   (  79.52, -94.31) 08/18/2021   11:25:10  (  79.52, -94.28)    0.66                21