Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2020 10 13.  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)
 10/15/2020   19:08:39   (  79.44, 149.10) 10/15/2020   19:07:50  (  79.44, 149.12)    0.41                49
 10/15/2020   19:57:59   ( -79.71, -41.36) 10/15/2020   19:58:27  ( -79.71, -41.25)    2.25                28
 10/18/2020   11:25:05   (  79.54, -94.34) 10/18/2020   11:24:41  (  79.54, -94.30)    0.87                24
 10/18/2020   12:14:26   ( -79.77,  74.98) 10/18/2020   12:15:19  ( -79.78,  75.10)    2.60                53
 10/21/2020   02:53:52   ( -74.81,-165.56) 10/21/2020   02:52:38  ( -75.08,-166.99)   51.19                74
 10/21/2020   03:41:31   (  79.63,  22.21) 10/21/2020   03:41:32  (  79.63,  22.29)    1.75                 1
 10/23/2020   19:08:39   ( -79.39, -31.21) 10/23/2020   19:07:48  ( -79.39, -31.26)    0.97                51
 10/23/2020   19:57:56   (  79.72, 138.74) 10/23/2020   19:58:22  (  79.73, 138.89)    3.07                26
 10/26/2020   11:25:04   ( -79.52,  85.53) 10/26/2020   11:24:38  ( -79.52,  85.56)    0.62                26