Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2020 9 12.  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)
 09/13/2020   19:08:43   (  79.24, 147.87) 09/13/2020   19:08:00  (  79.24, 147.91)    0.93                43
 09/13/2020   19:58:05   ( -79.44, -43.15) 09/13/2020   19:58:40  ( -79.43, -43.28)    2.69                35
 09/16/2020   11:25:09   (  79.34, -95.59) 09/16/2020   11:24:53  (  79.35, -95.53)    1.34                16
 09/16/2020   12:14:31   ( -79.54,  73.42) 09/16/2020   12:15:33  ( -79.53,  73.31)    2.36                62
 09/19/2020   02:52:18   ( -79.10,-148.89) 09/19/2020   02:51:12  ( -79.10,-148.93)    0.72                66
 09/19/2020   03:41:35   (  79.44,  20.93) 09/19/2020   03:41:46  (  79.44,  21.03)    2.33                11
 09/21/2020   19:08:42   ( -79.23, -32.18) 09/21/2020   19:08:03  ( -79.23, -32.15)    0.69                39
 09/21/2020   19:58:02   (  79.45, 136.90) 09/21/2020   19:58:41  (  79.44, 136.78)    2.51                39
 09/24/2020   11:25:07   ( -79.36,  84.52) 09/24/2020   11:24:55  ( -79.37,  84.64)    2.67                12