Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2021 6 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)
 06/26/2021   02:51:55   (  79.29,  32.42) 06/26/2021   02:50:50  (  79.30,  32.51)    1.91                65
 06/26/2021   03:41:17   ( -79.49,-158.63) 06/26/2021   03:41:30  ( -79.48,-158.71)    1.74                13
 06/28/2021   19:08:21   (  79.41, 149.05) 06/28/2021   19:07:44  (  79.42, 149.18)    2.80                37
 06/28/2021   19:57:44   ( -79.57, -42.22) 06/28/2021   19:58:25  ( -79.57, -42.27)    1.05                41
 07/01/2021   11:24:50   (  79.40, -95.11) 07/01/2021   11:24:42  (  79.40, -95.21)    2.20                 8
 07/01/2021   12:14:10   ( -79.67,  74.44) 07/01/2021   12:15:19  ( -79.68,  74.45)    0.24                69
 07/04/2021   02:51:54   ( -79.33,-147.38) 07/04/2021   02:50:56  ( -79.33,-147.27)    2.38                58
 07/04/2021   03:41:15   (  79.51,  21.49) 07/04/2021   03:41:35  (  79.51,  21.47)    0.41                20
 07/06/2021   19:08:22   ( -79.35, -31.32) 07/06/2021   19:07:53  ( -79.34, -31.40)    1.86                29