Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2020 1 23.  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)
 01/25/2020   19:57:55   (  79.66, 138.55) 01/25/2020   19:57:45  (  79.66, 138.55)    0.19                10
 01/25/2020   20:47:16   ( -79.89, -52.09) 01/25/2020   20:48:23  ( -79.90, -51.99)    2.23                67
 01/28/2020   11:25:02   ( -79.54,  85.88) 01/28/2020   11:24:01  ( -79.54,  85.94)    1.24                61
 01/28/2020   12:14:23   (  79.71,-105.19) 01/28/2020   12:14:40  (  79.71,-105.27)    1.51                17
 01/31/2020   03:41:29   ( -79.59,-157.89) 01/31/2020   03:40:55  ( -79.59,-157.89)    0.11                34
 01/31/2020   04:30:50   (  79.76,  11.04) 01/31/2020   04:31:34  (  79.76,  10.92)    2.50                44
 02/02/2020   19:57:56   ( -79.67, -41.40) 02/02/2020   19:57:49  ( -79.67, -41.43)    0.74                 7
 02/02/2020   20:47:17   (  79.84, 127.54) 02/02/2020   20:48:28  (  79.83, 127.39)    3.05                71
 02/05/2020   11:25:03   (  79.47, -94.55) 02/05/2020   11:24:06  (  79.47, -94.68)    2.78                57