Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2017 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)
 09/16/2017   10:35:20   (  79.10, -84.68) 09/16/2017   10:34:31  (  79.09, -84.73)    1.12                49
 09/16/2017   11:24:39   ( -79.41,  84.96) 09/16/2017   11:25:07  ( -79.42,  85.03)    1.43                28
 09/19/2017   02:51:47   (  79.26,  32.19) 09/19/2017   02:51:23  (  79.27,  32.30)    2.36                24
 09/19/2017   03:41:09   ( -79.45,-158.88) 09/19/2017   03:42:03  ( -79.45,-158.96)    1.76                54
 09/21/2017   18:19:56   ( -76.44, -32.49) 09/21/2017   18:18:42  ( -76.61, -33.35)   28.86                74
 09/21/2017   19:08:16   (  79.33, 148.52) 09/21/2017   19:08:18  (  79.33, 148.54)    0.50                 2
 09/24/2017   10:35:25   ( -79.16,  95.69) 09/24/2017   10:34:35  ( -79.17,  95.79)    2.11                50
 09/24/2017   11:24:45   (  79.39, -95.19) 09/24/2017   11:25:13  (  79.39, -95.21)    0.61                28
 09/27/2017   02:51:53   ( -79.22,-148.06) 09/27/2017   02:51:29  ( -79.23,-147.99)    1.68                24
 09/27/2017   03:41:13   (  79.45,  21.06) 09/27/2017   03:42:07  (  79.45,  21.02)    0.67                54
 09/29/2017   18:19:46   (  77.05, 149.65) 09/29/2017   18:18:32  (  77.20, 149.04)   22.25                74