Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2020 5 16.  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)
 05/16/2020   19:58:03   (  79.51, 137.33) 05/16/2020   19:58:07  (  79.50, 137.23)    2.15                 4
 05/19/2020   11:25:09   ( -79.39,  84.77) 05/19/2020   11:24:21  ( -79.39,  84.75)    0.47                48
 05/19/2020   12:14:27   (  79.68,-105.53) 05/19/2020   12:14:56  (  79.69,-105.40)    2.69                29
 05/22/2020   03:41:36   ( -79.45,-158.92) 05/22/2020   03:41:14  ( -79.45,-159.00)    1.87                22
 05/22/2020   04:30:55   (  79.71,  10.51) 05/22/2020   04:31:50  (  79.71,  10.58)    1.52                55
 05/24/2020   19:08:47   (  79.07, 146.85) 05/24/2020   19:07:33  (  79.10, 146.86)    3.82                74
 05/24/2020   19:58:03   ( -79.51, -42.63) 05/24/2020   19:58:07  ( -79.50, -42.76)    2.85                 4
 05/27/2020   11:25:06   (  79.40, -95.16) 05/27/2020   11:24:18  (  79.40, -95.11)    1.03                48
 05/27/2020   12:14:26   ( -79.68,  74.44) 05/27/2020   12:14:55  ( -79.69,  74.59)    2.99                29
 05/30/2020   03:41:32   (  79.49,  21.33) 05/30/2020   03:41:10  (  79.49,  21.37)    1.00                22