Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2021 3 8.  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)
 03/08/2021   19:11:15   (  71.67, 123.91) 03/08/2021   19:10:02  (  72.04, 121.75)   85.46                73
 03/08/2021   19:57:55   ( -79.66, -41.55) 03/08/2021   19:57:55  ( -79.66, -41.47)    1.61                 0
 03/11/2021   11:25:03   (  79.45, -94.81) 03/11/2021   11:24:11  (  79.44, -94.85)    0.98                52
 03/11/2021   12:14:23   ( -79.71,  74.73) 03/11/2021   12:14:48  ( -79.71,  74.75)    0.54                25
 03/14/2021   03:41:31   (  79.50,  21.40) 03/14/2021   03:41:04  (  79.50,  21.33)    1.48                27
 03/14/2021   04:30:51   ( -79.76,-169.03) 03/14/2021   04:31:41  ( -79.76,-169.03)    0.22                50
 03/16/2021   19:57:58   (  79.58, 137.85) 03/16/2021   19:57:56  (  79.58, 137.78)    1.50                 2
 03/16/2021   20:46:42   ( -80.96, -41.21) 03/16/2021   20:47:56  ( -80.77, -40.73)   22.17                74
 03/19/2021   11:25:03   ( -79.48,  85.37) 03/19/2021   11:24:08  ( -79.48,  85.41)    0.89                55
 03/19/2021   12:14:24   (  79.65,-105.73) 03/19/2021   12:14:47  (  79.65,-105.78)    1.06                23