Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2021 10 20.  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   ( -79.14,  95.52) 10/21/2021   10:35:08  ( -79.15,  95.58)    1.39                38
 10/21/2021   11:25:06   (  79.38, -95.35) 10/21/2021   11:25:46  (  79.37, -95.45)    2.01                40
 10/24/2021   02:52:10   ( -79.29,-147.69) 10/24/2021   02:52:03  ( -79.30,-147.56)    2.84                 7
 10/24/2021   03:41:30   (  79.51,  21.47) 10/24/2021   03:42:41  (  79.51,  21.46)    0.28                71
 10/26/2021   18:19:15   (  79.10, 159.38) 10/26/2021   18:18:22  (  79.11, 159.48)    2.52                53
 10/26/2021   19:08:36   ( -79.34, -31.43) 10/26/2021   19:09:01  ( -79.34, -31.48)    1.15                25
 10/29/2021   10:35:39   (  79.19, -84.19) 10/29/2021   10:35:18  (  79.18, -84.21)    0.44                21
 10/29/2021   11:24:59   ( -79.47,  85.29) 10/29/2021   11:25:55  ( -79.48,  85.39)    2.21                56
 11/01/2021   02:02:45   ( -79.00,-137.08) 11/01/2021   02:01:38  ( -79.00,-137.07)    0.21                67