Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2021 5 29.  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)
 05/30/2021   11:24:56   (  79.31, -95.78) 05/30/2021   11:24:20  (  79.30, -95.92)    3.08                36
 05/30/2021   12:14:15   ( -79.62,  73.99) 05/30/2021   12:14:56  ( -79.62,  74.00)    0.21                41
 06/02/2021   03:41:18   (  79.50,  21.39) 06/02/2021   03:41:10  (  79.50,  21.47)    1.56                 8
 06/02/2021   04:30:40   ( -79.69,-169.58) 06/02/2021   04:31:50  ( -79.68,-169.65)    1.59                70
 06/04/2021   19:08:27   ( -79.23, -32.13) 06/04/2021   19:07:31  ( -79.22, -32.25)    2.45                56
 06/04/2021   19:57:44   (  79.57, 137.76) 06/04/2021   19:58:05  (  79.57, 137.78)    0.36                21
 06/07/2021   11:24:49   ( -79.45,  85.22) 06/07/2021   11:24:21  ( -79.46,  85.36)    3.15                28
 06/07/2021   12:14:10   (  79.63,-105.89) 06/07/2021   12:15:00  (  79.63,-105.91)    0.32                50
 06/10/2021   02:53:34   (  74.66,  14.16) 06/10/2021   02:52:21  (  74.90,  12.62)   52.28                73