Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2020 9 15.  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   (  79.33, -95.67) 09/16/2020   11:24:53  (  79.33, -95.64)    0.75                16
 09/16/2020   12:14:31   ( -79.53,  73.32) 09/16/2020   12:15:33  ( -79.52,  73.19)    2.88                62
 09/19/2020   02:52:18   ( -79.09,-148.96) 09/19/2020   02:51:12  ( -79.08,-149.04)    1.83                66
 09/19/2020   03:41:35   (  79.43,  20.88) 09/19/2020   03:41:46  (  79.43,  20.93)    1.12                11
 09/21/2020   19:08:44   ( -79.19, -32.44) 09/21/2020   19:08:05  ( -79.19, -32.50)    1.30                39
 09/21/2020   19:58:01   (  79.52, 137.42) 09/21/2020   19:58:39  (  79.53, 137.50)    1.87                38
 09/24/2020   11:25:08   ( -79.33,  84.31) 09/24/2020   11:24:56  ( -79.32,  84.30)    0.44                12
 09/24/2020   12:14:26   (  79.62,-106.05) 09/24/2020   12:15:31  (  79.62,-105.91)    2.99                65
 09/27/2020   02:52:15   (  79.09,  31.05) 09/27/2020   02:51:13  (  79.08,  30.99)    1.28                62
 09/27/2020   03:41:34   ( -79.42,-159.19) 09/27/2020   03:41:49  ( -79.42,-159.15)    0.92                15
 09/29/2020   19:08:40   (  79.22, 147.74) 09/29/2020   19:08:05  (  79.22, 147.76)    0.50                35