Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2021 4 24.  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)
 04/25/2021   19:57:56   ( -79.43, -43.23) 04/25/2021   19:57:44  ( -79.42, -43.37)    3.04                12
 04/25/2021   20:47:14   (  79.72, 126.48) 04/25/2021   20:48:19  (  79.72, 126.53)    1.01                65
 04/28/2021   11:24:59   (  79.32, -95.69) 04/28/2021   11:23:55  (  79.33, -95.64)    1.20                64
 04/28/2021   12:14:19   ( -79.60,  73.85) 04/28/2021   12:14:32  ( -79.61,  73.98)    2.82                13
 05/01/2021   03:41:24   (  79.41,  20.80) 05/01/2021   03:40:46  (  79.42,  20.86)    1.29                38
 05/01/2021   04:30:44   ( -79.69,-169.61) 05/01/2021   04:31:23  ( -79.70,-169.46)    3.05                39
 05/03/2021   19:57:49   (  79.50, 137.26) 05/03/2021   19:57:37  (  79.51, 137.36)    2.11                12
 05/03/2021   20:47:12   ( -79.66, -53.92) 05/03/2021   20:48:18  ( -79.66, -54.04)    2.40                66
 05/06/2021   11:24:55   ( -79.29,  84.10) 05/06/2021   11:23:52  ( -79.29,  84.11)    0.14                63