Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2019 12 30.  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)
 01/01/2020   19:08:29   (  79.43, 149.24) 01/01/2020   19:07:22  (  79.43, 149.23)    0.21                67
 01/01/2020   19:57:48   ( -79.73, -40.96) 01/01/2020   19:57:58  ( -79.74, -40.81)    3.13                10
 01/04/2020   11:24:55   (  79.51, -94.32) 01/04/2020   11:24:13  (  79.50, -94.41)    1.92                42
 01/04/2020   12:14:15   ( -79.78,  75.25) 01/04/2020   12:14:50  ( -79.78,  75.31)    1.32                35
 01/07/2020   03:41:19   (  79.66,  22.64) 01/07/2020   03:41:01  (  79.67,  22.78)    2.95                18
 01/07/2020   04:30:42   ( -79.81,-168.56) 01/07/2020   04:31:42  ( -79.82,-168.58)    0.34                60
 01/09/2020   19:08:27   ( -79.44, -30.65) 01/09/2020   19:07:17  ( -79.44, -30.68)    0.64                70
 01/09/2020   19:57:45   (  79.73, 139.06) 01/09/2020   19:57:52  (  79.74, 139.14)    1.71                 7
 01/12/2020   11:24:52   ( -79.52,  85.73) 01/12/2020   11:24:07  ( -79.51,  85.65)    1.76                45