Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2021 6 1.  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)
 06/02/2021   03:41:19   (  79.48,  21.31) 06/02/2021   03:41:11  (  79.49,  21.38)    1.59                 8
 06/02/2021   04:30:41   ( -79.68,-169.69) 06/02/2021   04:31:51  ( -79.67,-169.75)    1.38                70
 06/04/2021   19:08:26   ( -79.25, -31.98) 06/04/2021   19:07:30  ( -79.25, -32.08)    2.30                56
 06/04/2021   19:57:44   (  79.55, 137.69) 06/04/2021   19:58:05  (  79.56, 137.70)    0.36                21
 06/07/2021   11:24:49   ( -79.44,  85.12) 06/07/2021   11:24:21  ( -79.45,  85.27)    3.19                28
 06/07/2021   12:14:10   (  79.62,-105.97) 06/07/2021   12:15:00  (  79.62,-105.99)    0.45                50
 06/10/2021   02:53:35   (  74.59,  14.00) 06/10/2021   02:52:22  (  74.84,  12.44)   52.95                73
 06/10/2021   03:41:14   ( -79.54,-158.30) 06/10/2021   03:41:15  ( -79.55,-158.17)    2.79                 1
 06/12/2021   19:08:20   (  79.32, 148.44) 06/12/2021   19:07:33  (  79.32, 148.43)    0.23                47