Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2020 12 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)
 12/16/2020   03:41:26   ( -79.51,-158.53) 12/16/2020   03:41:04  ( -79.50,-158.63)    2.19                22
 12/16/2020   04:30:44   (  79.80,  11.26) 12/16/2020   04:31:39  (  79.81,  11.34)    1.65                55
 12/18/2020   19:08:30   (  79.45, 149.27) 12/18/2020   19:07:16  (  79.45, 149.42)    3.05                74
 12/18/2020   19:57:52   ( -79.60, -41.97) 12/18/2020   19:57:56  ( -79.60, -42.05)    1.47                 4
 12/21/2020   11:24:58   (  79.46, -94.76) 12/21/2020   11:24:11  (  79.45, -94.85)    2.14                47
 12/21/2020   12:14:18   ( -79.73,  74.82) 12/21/2020   12:14:48  ( -79.73,  74.82)    0.29                30
 12/24/2020   03:41:24   (  79.58,  21.97) 12/24/2020   03:41:03  (  79.58,  21.95)    0.44                21
 12/24/2020   04:30:45   ( -79.81,-168.67) 12/24/2020   04:31:41  ( -79.82,-168.59)    1.76                56
 12/26/2020   19:08:33   ( -79.37, -31.26) 12/26/2020   19:07:21  ( -79.36, -31.32)    1.45                72
 12/26/2020   19:57:50   (  79.69, 138.67) 12/26/2020   19:57:55  (  79.70, 138.77)    2.04                 5
 12/29/2020   11:24:58   ( -79.52,  85.66) 12/29/2020   11:24:12  ( -79.52,  85.73)    1.50                46