Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2021 3 30.  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)
 03/30/2021   03:41:33   (  79.47,  21.14) 03/30/2021   03:40:59  (  79.48,  21.28)    2.98                34
 03/30/2021   04:30:56   ( -79.63,-170.13) 03/30/2021   04:31:40  ( -79.62,-170.25)    2.45                44
 04/01/2021   19:58:00   (  79.54, 137.51) 04/01/2021   19:57:51  (  79.55, 137.65)    2.97                 9
 04/01/2021   20:47:23   ( -79.70, -53.73) 04/01/2021   20:48:32  ( -79.69, -53.85)    2.52                69
 04/04/2021   11:25:09   ( -79.31,  84.19) 04/04/2021   11:24:08  ( -79.31,  84.14)    1.11                61
 04/04/2021   12:14:29   (  79.53,-106.67) 04/04/2021   12:14:46  (  79.53,-106.81)    2.94                17
 04/07/2021   03:41:35   ( -79.42,-159.25) 04/07/2021   03:40:59  ( -79.42,-159.25)    0.15                36
 04/07/2021   04:30:55   (  79.63,   9.90) 04/07/2021   04:31:37  (  79.63,   9.82)    1.87                42
 04/09/2021   19:58:00   ( -79.51, -42.70) 04/09/2021   19:57:49  ( -79.52, -42.64)    1.40                11
 04/09/2021   20:47:20   (  79.72, 126.46) 04/09/2021   20:48:27  (  79.72, 126.44)    0.27                67
 04/12/2021   11:25:05   (  79.36, -95.51) 04/12/2021   11:24:02  (  79.37, -95.39)    2.68                63