Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2020 12 17.  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)
 12/18/2020   19:08:30   (  79.43, 149.18) 12/18/2020   19:07:16  (  79.44, 149.32)    3.13                74
 12/18/2020   19:57:52   ( -79.63, -41.81) 12/18/2020   19:57:56  ( -79.62, -41.87)    1.39                 4
 12/21/2020   11:24:59   (  79.44, -94.86) 12/21/2020   11:24:12  (  79.44, -94.95)    2.03                47
 12/21/2020   12:14:19   ( -79.72,  74.72) 12/21/2020   12:14:49  ( -79.72,  74.71)    0.05                30
 12/24/2020   03:41:24   (  79.57,  21.86) 12/24/2020   03:41:03  (  79.56,  21.85)    0.23                21
 12/24/2020   04:30:44   ( -79.83,-168.51) 12/24/2020   04:31:40  ( -79.84,-168.41)    1.89                56
 12/26/2020   19:08:32   ( -79.39, -31.11) 12/26/2020   19:07:20  ( -79.38, -31.16)    1.37                72
 12/26/2020   19:57:50   (  79.68, 138.56) 12/26/2020   19:57:55  (  79.69, 138.67)    2.14                 5
 12/29/2020   11:24:57   ( -79.54,  85.81) 12/29/2020   11:24:11  ( -79.54,  85.88)    1.62                46