Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2021 2 19.  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)
 02/20/2021   19:08:30   (  79.45, 149.42) 02/20/2021   19:07:20  (  79.45, 149.39)    0.73                70
 02/20/2021   19:57:50   ( -79.72, -41.04) 02/20/2021   19:57:57  ( -79.72, -40.97)    1.67                 7
 02/23/2021   11:24:56   (  79.57, -93.89) 02/23/2021   11:24:10  (  79.58, -93.78)    2.46                46
 02/23/2021   12:14:18   ( -79.76,  75.14) 02/23/2021   12:14:50  ( -79.75,  75.06)    1.73                32
 02/26/2021   03:41:25   (  79.60,  22.23) 02/26/2021   03:41:04  (  79.60,  22.21)    0.43                21
 02/26/2021   04:30:45   ( -79.86,-168.16) 02/26/2021   04:31:41  ( -79.87,-168.07)    1.73                56
 02/28/2021   19:08:34   ( -79.41, -30.85) 02/28/2021   19:07:20  ( -79.42, -30.85)    0.63                74
 02/28/2021   19:57:53   (  79.67, 138.60) 02/28/2021   19:57:57  (  79.66, 138.48)    2.82                 4
 03/03/2021   11:25:01   ( -79.52,  85.75) 03/03/2021   11:24:12  ( -79.51,  85.65)    2.15                49