Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2021 4 6.  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)
 04/07/2021   03:41:35   ( -79.41,-159.27) 04/07/2021   03:40:59  ( -79.41,-159.28)    0.23                36
 04/07/2021   04:30:55   (  79.63,   9.92) 04/07/2021   04:31:37  (  79.63,   9.82)    2.15                42
 04/09/2021   19:58:00   ( -79.51, -42.71) 04/09/2021   19:57:49  ( -79.51, -42.66)    1.12                11
 04/09/2021   20:47:20   (  79.73, 126.49) 04/09/2021   20:48:27  (  79.72, 126.46)    0.72                67
 04/12/2021   11:25:05   (  79.36, -95.46) 04/12/2021   11:24:02  (  79.37, -95.37)    2.05                63
 04/12/2021   12:14:26   ( -79.60,  73.83) 04/12/2021   12:14:40  ( -79.61,  73.96)    2.97                14
 04/15/2021   03:41:33   (  79.38,  20.50) 04/15/2021   03:40:56  (  79.37,  20.41)    2.07                37
 04/15/2021   04:30:54   ( -79.62,-170.18) 04/15/2021   04:31:34  ( -79.62,-170.24)    1.11                40
 04/17/2021   19:57:58   (  79.50, 137.22) 04/17/2021   19:57:46  (  79.50, 137.25)    0.68                12