Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2021 10 18.  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)
 10/18/2021   18:19:22   ( -79.01, -21.17) 10/18/2021   18:18:13  ( -79.02, -21.14)    0.86                69
 10/18/2021   19:08:42   (  79.25, 147.93) 10/18/2021   19:08:51  (  79.24, 147.80)    2.81                 9
 10/21/2021   10:35:46   ( -79.17,  95.65) 10/21/2021   10:35:08  ( -79.17,  95.72)    1.38                38
 10/21/2021   11:25:06   (  79.40, -95.23) 10/21/2021   11:25:46  (  79.39, -95.31)    1.97                40
 10/24/2021   02:52:09   ( -79.31,-147.55) 10/24/2021   02:52:02  ( -79.32,-147.42)    2.86                 7
 10/24/2021   03:41:30   (  79.49,  21.33) 10/24/2021   03:42:41  (  79.50,  21.32)    0.23                71
 10/26/2021   18:19:14   (  79.12, 159.50) 10/26/2021   18:18:21  (  79.13, 159.61)    2.55                53
 10/26/2021   19:08:36   ( -79.33, -31.55) 10/26/2021   19:09:01  ( -79.32, -31.60)    1.12                25
 10/29/2021   10:35:40   (  79.17, -84.32) 10/29/2021   10:35:19  (  79.17, -84.34)    0.38                21
 10/29/2021   11:24:59   ( -79.49,  85.43) 10/29/2021   11:25:55  ( -79.50,  85.53)    2.21                56