Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2021 2 17.  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)
 02/18/2021   03:41:22   ( -79.63,-157.59) 02/18/2021   03:41:05  ( -79.62,-157.63)    0.99                17
 02/18/2021   04:30:41   (  79.88,  12.00) 02/18/2021   04:31:41  (  79.89,  12.10)    1.93                60
 02/20/2021   19:08:30   (  79.44, 149.36) 02/20/2021   19:07:20  (  79.44, 149.32)    0.71                70
 02/20/2021   19:57:50   ( -79.71, -41.11) 02/20/2021   19:57:57  ( -79.72, -41.03)    1.71                 7
 02/23/2021   11:24:56   (  79.60, -93.69) 02/23/2021   11:24:10  (  79.60, -93.57)    2.56                46
 02/23/2021   12:14:19   ( -79.75,  75.07) 02/23/2021   12:14:51  ( -79.74,  75.00)    1.58                32
 02/26/2021   03:41:24   (  79.63,  22.43) 02/26/2021   03:41:03  (  79.63,  22.43)    0.18                21
 02/26/2021   04:30:45   ( -79.86,-168.22) 02/26/2021   04:31:41  ( -79.86,-168.12)    2.04                56
 02/28/2021   19:08:32   ( -79.48, -30.39) 02/28/2021   19:07:18  ( -79.48, -30.36)    0.66                74
 02/28/2021   19:57:53   (  79.66, 138.54) 02/28/2021   19:57:57  (  79.65, 138.43)    2.26                 4
 03/03/2021   11:25:01   ( -79.51,  85.69) 03/03/2021   11:24:12  ( -79.51,  85.63)    1.29                49