Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2021 5 30.  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, -95.78) 05/30/2021   11:24:20  (  79.30, -95.92)    3.07                36
 05/30/2021   12:14:15   ( -79.61,  73.97) 05/30/2021   12:14:56  ( -79.62,  73.99)    0.30                41
 06/02/2021   03:41:18   (  79.50,  21.39) 06/02/2021   03:41:10  (  79.50,  21.46)    1.61                 8
 06/02/2021   04:30:40   ( -79.69,-169.59) 06/02/2021   04:31:50  ( -79.68,-169.66)    1.47                70
 06/04/2021   19:08:26   ( -79.27, -31.89) 06/04/2021   19:07:30  ( -79.26, -31.99)    2.30                56
 06/04/2021   19:57:44   (  79.57, 137.76) 06/04/2021   19:58:05  (  79.57, 137.78)    0.45                21
 06/07/2021   11:24:52   ( -79.34,  84.44) 06/07/2021   11:24:25  ( -79.33,  84.30)    3.02                27
 06/07/2021   12:14:10   (  79.63,-105.89) 06/07/2021   12:15:00  (  79.63,-105.90)    0.18                50
 06/10/2021   02:53:32   (  74.76,  14.41) 06/10/2021   02:52:19  (  75.00,  12.90)   51.24                73
 06/10/2021   03:41:17   ( -79.44,-159.00) 06/10/2021   03:41:19  ( -79.43,-159.15)    3.18                 2
 06/12/2021   19:08:19   (  79.33, 148.51) 06/12/2021   19:07:32  (  79.33, 148.54)    0.55                47