Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2020 9 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)
 09/16/2020   11:25:09   (  79.35, -95.53) 09/16/2020   11:24:53  (  79.35, -95.49)    0.78                16
 09/16/2020   12:14:32   ( -79.51,  73.21) 09/16/2020   12:15:34  ( -79.51,  73.07)    2.95                62
 09/19/2020   02:52:18   ( -79.07,-149.05) 09/19/2020   02:51:12  ( -79.07,-149.15)    2.03                66
 09/19/2020   03:41:35   (  79.41,  20.76) 09/19/2020   03:41:46  (  79.42,  20.80)    0.98                11
 09/21/2020   19:08:44   ( -79.17, -32.54) 09/21/2020   19:08:05  ( -79.17, -32.62)    1.74                39
 09/21/2020   19:58:01   (  79.51, 137.30) 09/21/2020   19:58:39  (  79.51, 137.37)    1.46                38
 09/24/2020   11:25:09   ( -79.31,  84.22) 09/24/2020   11:24:57  ( -79.31,  84.17)    1.17                12
 09/24/2020   12:14:27   (  79.60,-106.16) 09/24/2020   12:15:32  (  79.61,-106.06)    2.23                65
 09/27/2020   02:52:16   (  79.07,  30.95) 09/27/2020   02:51:14  (  79.06,  30.84)    2.46                62