Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2021 3 25.  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)
 03/27/2021   11:25:09   (  79.28, -96.01) 03/27/2021   11:24:11  (  79.27, -96.14)    2.89                58
 03/27/2021   12:14:29   ( -79.56,  73.48) 03/27/2021   12:14:48  ( -79.55,  73.38)    1.97                19
 03/30/2021   03:41:33   (  79.47,  21.15) 03/30/2021   03:40:59  (  79.48,  21.29)    2.95                34
 03/30/2021   04:30:56   ( -79.63,-170.09) 03/30/2021   04:31:40  ( -79.63,-170.21)    2.60                44
 04/01/2021   19:58:00   (  79.55, 137.52) 04/01/2021   19:57:51  (  79.56, 137.66)    3.06                 9
 04/01/2021   20:47:23   ( -79.70, -53.70) 04/01/2021   20:48:32  ( -79.70, -53.82)    2.54                69
 04/04/2021   11:25:09   ( -79.32,  84.20) 04/04/2021   11:24:08  ( -79.31,  84.16)    0.88                61
 04/04/2021   12:14:29   (  79.53,-106.68) 04/04/2021   12:14:46  (  79.53,-106.81)    2.62                17
 04/07/2021   03:41:34   ( -79.42,-159.25) 04/07/2021   03:40:58  ( -79.42,-159.24)    0.50                36