Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2021 10 11.  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)
 10/13/2021   10:35:51   (  79.06, -85.03) 10/13/2021   10:34:59  (  79.05, -85.11)    1.97                52
 10/13/2021   11:25:09   ( -79.42,  84.90) 10/13/2021   11:25:34  ( -79.42,  84.96)    1.24                25
 10/16/2021   02:52:17   (  79.15,  31.39) 10/16/2021   02:51:52  (  79.14,  31.32)    1.52                25
 10/16/2021   03:41:35   ( -79.50,-158.64) 10/16/2021   03:42:27  ( -79.51,-158.56)    1.64                52
 10/18/2021   18:20:18   ( -76.51, -32.33) 10/18/2021   18:19:04  ( -76.67, -33.17)   28.41                74
 10/18/2021   19:08:40   (  79.30, 148.26) 10/18/2021   19:08:42  (  79.30, 148.27)    0.20                 2
 10/21/2021   10:35:47   ( -79.11,  95.27) 10/21/2021   10:34:59  ( -79.10,  95.26)    0.29                48
 10/21/2021   11:25:05   (  79.41, -95.15) 10/21/2021   11:25:34  (  79.42, -95.04)    2.57                29
 10/24/2021   02:52:11   ( -79.25,-147.97) 10/24/2021   02:51:50  ( -79.26,-147.83)    3.16                21