Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2020 9 14.  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)
 09/16/2020   11:25:09   (  79.34, -95.59) 09/16/2020   11:24:53  (  79.34, -95.56)    0.75                16
 09/16/2020   12:14:31   ( -79.54,  73.41) 09/16/2020   12:15:33  ( -79.53,  73.27)    2.92                62
 09/19/2020   02:52:18   ( -79.10,-148.88) 09/19/2020   02:51:12  ( -79.09,-148.96)    1.89                66
 09/19/2020   03:41:35   (  79.44,  20.95) 09/19/2020   03:41:46  (  79.44,  21.01)    1.12                11
 09/21/2020   19:08:43   ( -79.20, -32.37) 09/21/2020   19:08:04  ( -79.20, -32.43)    1.38                39
 09/21/2020   19:58:00   (  79.54, 137.49) 09/21/2020   19:58:38  (  79.54, 137.58)    1.83                38
 09/24/2020   11:25:09   ( -79.30,  84.14) 09/24/2020   11:24:57  ( -79.30,  84.11)    0.53                12
 09/24/2020   12:14:26   (  79.63,-105.98) 09/24/2020   12:15:31  (  79.63,-105.84)    2.88                65
 09/27/2020   02:52:15   (  79.10,  31.12) 09/27/2020   02:51:13  (  79.09,  31.05)    1.47                62