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, -43.20) 04/25/2021   19:57:44  ( -79.42, -43.34)    3.03                12
 04/25/2021   20:47:14   (  79.73, 126.52) 04/25/2021   20:48:19  (  79.73, 126.57)    0.91                65
 04/28/2021   11:24:59   (  79.33, -95.65) 04/28/2021   11:23:55  (  79.33, -95.61)    1.00                64
 04/28/2021   12:14:19   ( -79.61,  73.89) 04/28/2021   12:14:32  ( -79.61,  74.01)    2.70                13
 05/01/2021   03:41:24   (  79.42,  20.84) 05/01/2021   03:40:46  (  79.42,  20.88)    0.89                38
 05/01/2021   04:30:45   ( -79.66,-169.85) 05/01/2021   04:31:24  ( -79.67,-169.72)    2.71                39
 05/03/2021   19:57:48   (  79.50, 137.30) 05/03/2021   19:57:36  (  79.51, 137.37)    1.39                12
 05/03/2021   20:47:11   ( -79.67, -53.88) 05/03/2021   20:48:17  ( -79.66, -54.03)    3.06                66
 05/06/2021   11:24:55   ( -79.30,  84.14) 05/06/2021   11:23:52  ( -79.29,  84.10)    1.00                63