Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2021 8 11.  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)
 08/13/2021   02:51:55   (  79.36,  32.84) 08/13/2021   02:51:22  (  79.36,  32.90)    1.25                33
 08/13/2021   03:41:15   ( -79.63,-157.61) 08/13/2021   03:41:59  ( -79.64,-157.50)    2.20                44
 08/15/2021   19:08:22   (  79.45, 149.36) 08/15/2021   19:08:16  (  79.45, 149.40)    0.83                 6
 08/15/2021   19:57:43   ( -79.69, -41.32) 08/15/2021   19:58:54  ( -79.69, -41.23)    1.75                71
 08/18/2021   10:35:29   ( -79.29,  96.51) 08/18/2021   10:34:32  ( -79.30,  96.62)    2.40                57
 08/18/2021   11:24:49   (  79.50, -94.40) 08/18/2021   11:25:10  (  79.51, -94.37)    0.77                21
 08/21/2021   02:51:56   ( -79.38,-147.02) 08/21/2021   02:51:26  ( -79.39,-146.89)    2.71                30
 08/21/2021   03:41:16   (  79.59,  22.09) 08/21/2021   03:42:04  (  79.60,  22.14)    1.09                48
 08/23/2021   19:08:25   ( -79.39, -31.07) 08/23/2021   19:08:23  ( -79.38, -31.20)    2.93                 2