Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2020 12 6.  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)
 12/08/2020   03:41:21   (  79.60,  22.11) 12/08/2020   03:41:01  (  79.61,  22.24)    2.89                20
 12/08/2020   04:30:44   ( -79.75,-169.13) 12/08/2020   04:31:42  ( -79.75,-169.22)    1.97                58
 12/10/2020   19:08:44   ( -78.82, -34.63) 12/10/2020   19:07:30  ( -78.87, -34.85)    7.41                74
 12/10/2020   19:57:48   (  79.67, 138.49) 12/10/2020   19:57:51  (  79.67, 138.55)    1.16                 3
 12/13/2020   11:24:56   ( -79.52,  85.62) 12/13/2020   11:24:04  ( -79.53,  85.77)    3.14                52
 12/13/2020   12:14:17   (  79.69,-105.45) 12/13/2020   12:14:43  (  79.70,-105.44)    0.32                26
 12/16/2020   03:41:26   ( -79.50,-158.63) 12/16/2020   03:40:58  ( -79.49,-158.77)    3.18                28
 12/16/2020   04:30:44   (  79.78,  11.10) 12/16/2020   04:31:33  (  79.78,  11.12)    0.37                49
 12/18/2020   19:57:53   ( -79.58, -42.14) 12/18/2020   19:57:48  ( -79.58, -42.24)    2.21                 5