Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2018 8 24.  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)
 08/26/2018   11:25:07   (  79.31, -95.79) 08/26/2018   11:24:56  (  79.31, -95.74)    1.04                11
 08/26/2018   12:14:28   ( -79.54,  73.40) 08/26/2018   12:15:35  ( -79.54,  73.38)    0.60                67
 08/29/2018   02:52:17   ( -79.04,-149.28) 08/29/2018   02:51:17  ( -79.02,-149.41)    3.07                60
 08/29/2018   03:41:36   (  79.31,  20.08) 08/29/2018   03:41:53  (  79.31,  19.98)    2.19                17
 08/31/2018   19:08:42   ( -79.20, -32.43) 08/31/2018   19:08:09  ( -79.19, -32.43)    0.20                33
 08/31/2018   19:58:01   (  79.46, 136.97) 08/31/2018   19:58:45  (  79.47, 137.02)    1.10                44
 09/03/2018   11:25:07   ( -79.35,  84.44) 09/03/2018   11:25:01  ( -79.36,  84.58)    3.01                 6
 09/03/2018   12:14:29   (  79.50,-106.91) 09/03/2018   12:15:41  (  79.49,-107.01)    2.02                72
 09/06/2018   02:52:14   (  79.10,  31.11) 09/06/2018   02:51:18  (  79.11,  31.19)    1.98                56