Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2021 3 20.  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)
 03/22/2021   03:41:34   ( -79.46,-158.95) 03/22/2021   03:41:03  ( -79.46,-158.89)    1.31                31
 03/22/2021   04:30:54   (  79.68,  10.27) 03/22/2021   04:31:41  (  79.68,  10.24)    0.76                47
 03/24/2021   19:58:02   ( -79.51, -42.70) 03/24/2021   19:57:56  ( -79.51, -42.74)    0.72                 6
 03/24/2021   20:47:22   (  79.73, 126.52) 03/24/2021   20:48:34  (  79.72, 126.40)    2.60                72
 03/27/2021   11:25:10   (  79.28, -96.01) 03/27/2021   11:24:12  (  79.28, -96.15)    2.87                58
 03/27/2021   12:14:29   ( -79.56,  73.51) 03/27/2021   12:14:48  ( -79.56,  73.41)    2.06                19
 03/30/2021   03:41:33   (  79.48,  21.16) 03/30/2021   03:40:59  (  79.49,  21.29)    2.91                34
 03/30/2021   04:30:56   ( -79.64,-170.05) 03/30/2021   04:31:40  ( -79.63,-170.18)    2.72                44
 04/01/2021   19:58:00   (  79.55, 137.54) 04/01/2021   19:57:51  (  79.56, 137.67)    2.94                 9