Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2021 4 22.  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)
 04/23/2021   03:41:30   ( -79.38,-159.49) 04/23/2021   03:40:52  ( -79.37,-159.57)    1.87                38
 04/23/2021   04:30:48   (  79.67,  10.21) 04/23/2021   04:31:27  (  79.68,  10.32)    2.22                39
 04/25/2021   19:57:56   ( -79.44, -43.16) 04/25/2021   19:57:44  ( -79.43, -43.31)    3.19                12
 04/25/2021   20:47:14   (  79.73, 126.54) 04/25/2021   20:48:19  (  79.73, 126.59)    0.93                65
 04/28/2021   11:24:59   (  79.33, -95.64) 04/28/2021   11:23:55  (  79.33, -95.59)    1.10                64
 04/28/2021   12:14:19   ( -79.61,  73.92) 04/28/2021   12:14:32  ( -79.62,  74.04)    2.66                13
 05/01/2021   03:41:24   (  79.42,  20.84) 05/01/2021   03:40:46  (  79.42,  20.89)    1.16                38
 05/01/2021   04:30:45   ( -79.66,-169.83) 05/01/2021   04:31:24  ( -79.67,-169.70)    2.87                39
 05/03/2021   19:57:48   (  79.50, 137.29) 05/03/2021   19:57:36  (  79.51, 137.38)    1.95                12