Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2021 10 7.  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)
 10/08/2021   02:52:19   ( -79.15,-148.59) 10/08/2021   02:51:51  ( -79.14,-148.72)    2.87                28
 10/08/2021   03:41:37   (  79.46,  21.06) 10/08/2021   03:42:26  (  79.46,  21.03)    0.74                49
 10/10/2021   19:08:43   ( -79.33, -31.54) 10/10/2021   19:08:41  ( -79.34, -31.46)    1.77                 2
 10/10/2021   19:56:45   (  81.64, 164.25) 10/10/2021   19:57:58  (  81.24, 164.95)   46.16                73
 10/13/2021   10:35:52   (  79.03, -85.20) 10/13/2021   10:35:00  (  79.02, -85.31)    2.34                52
 10/13/2021   11:25:10   ( -79.39,  84.73) 10/13/2021   11:25:35  ( -79.40,  84.76)    0.81                25
 10/16/2021   02:52:16   (  79.16,  31.47) 10/16/2021   02:51:51  (  79.15,  31.37)    2.45                25
 10/16/2021   03:41:35   ( -79.48,-158.79) 10/16/2021   03:42:27  ( -79.48,-158.76)    0.66                52
 10/18/2021   18:20:30   ( -75.95, -34.11) 10/18/2021   18:19:16  ( -76.15, -35.11)   34.24                74
 10/18/2021   19:08:42   (  79.24, 147.88) 10/18/2021   19:08:44  (  79.24, 147.79)    1.74                 2
 10/21/2021   10:35:50   ( -79.01,  94.70) 10/21/2021   10:35:02  ( -79.01,  94.57)    2.93                48