Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2021 2 21.  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)
 02/23/2021   11:24:55   (  79.60, -93.64) 02/23/2021   11:24:09  (  79.61, -93.52)    2.62                46
 02/23/2021   12:14:18   ( -79.75,  75.10) 02/23/2021   12:14:50  ( -79.75,  75.03)    1.48                32
 02/26/2021   03:41:24   (  79.64,  22.48) 02/26/2021   03:41:03  (  79.63,  22.49)    0.21                21
 02/26/2021   04:30:45   ( -79.86,-168.19) 02/26/2021   04:31:41  ( -79.87,-168.09)    2.25                56
 02/28/2021   19:08:32   ( -79.48, -30.37) 02/28/2021   19:07:18  ( -79.48, -30.32)    0.99                74
 02/28/2021   19:57:53   (  79.67, 138.57) 02/28/2021   19:57:57  (  79.66, 138.48)    1.91                 4
 03/03/2021   11:25:01   ( -79.51,  85.70) 03/03/2021   11:24:12  ( -79.51,  85.66)    0.77                49
 03/03/2021   12:14:19   (  79.80,-104.54) 03/03/2021   12:14:47  (  79.81,-104.40)    3.04                28
 03/06/2021   03:41:28   ( -79.57,-158.00) 03/06/2021   03:41:04  ( -79.57,-158.09)    1.93                24