Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2021 10 19.  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)
 10/21/2021   10:35:46   ( -79.17,  95.67) 10/21/2021   10:35:08  ( -79.17,  95.74)    1.32                38
 10/21/2021   11:25:06   (  79.36, -95.45) 10/21/2021   11:25:46  (  79.36, -95.55)    2.05                40
 10/24/2021   02:52:09   ( -79.31,-147.53) 10/24/2021   02:52:02  ( -79.32,-147.40)    2.69                 7
 10/24/2021   03:41:30   (  79.50,  21.37) 10/24/2021   03:42:41  (  79.50,  21.35)    0.36                71
 10/26/2021   18:19:14   (  79.13, 159.53) 10/26/2021   18:18:21  (  79.13, 159.63)    2.21                53
 10/26/2021   19:08:36   ( -79.33, -31.52) 10/26/2021   19:09:01  ( -79.33, -31.59)    1.47                25
 10/29/2021   10:35:40   (  79.17, -84.28) 10/29/2021   10:35:19  (  79.17, -84.32)    0.96                21
 10/29/2021   11:24:59   ( -79.50,  85.47) 10/29/2021   11:25:55  ( -79.50,  85.55)    1.65                56
 11/01/2021   02:02:46   ( -78.99,-137.16) 11/01/2021   02:01:39  ( -78.99,-137.18)    0.74                67