Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2021 5 27.  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   (  79.30, -95.82) 05/30/2021   11:24:20  (  79.29, -95.96)    3.05                36
 05/30/2021   12:14:15   ( -79.61,  73.95) 05/30/2021   12:14:56  ( -79.61,  73.95)    0.34                41
 06/02/2021   03:41:19   (  79.49,  21.34) 06/02/2021   03:41:11  (  79.49,  21.42)    1.63                 8
 06/02/2021   04:30:41   ( -79.68,-169.63) 06/02/2021   04:31:51  ( -79.68,-169.69)    1.46                70
 06/04/2021   19:08:26   ( -79.26, -31.93) 06/04/2021   19:07:30  ( -79.25, -32.03)    2.33                56
 06/04/2021   19:57:44   (  79.56, 137.71) 06/04/2021   19:58:05  (  79.56, 137.73)    0.43                21
 06/07/2021   11:24:52   ( -79.33,  84.40) 06/07/2021   11:24:25  ( -79.32,  84.25)    3.12                27
 06/07/2021   12:14:10   (  79.62,-105.95) 06/07/2021   12:15:00  (  79.62,-105.96)    0.32                50
 06/10/2021   02:53:33   (  74.70,  14.26) 06/10/2021   02:52:20  (  74.94,  12.73)   51.89                73