Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2017 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)
 08/26/2017   02:51:52   ( -79.11,-148.77) 08/26/2017   02:51:12  ( -79.10,-148.89)    2.74                40
 08/26/2017   03:41:10   (  79.42,  20.88) 08/26/2017   03:41:47  (  79.42,  20.84)    0.89                37
 08/28/2017   19:08:18   ( -79.23, -32.16) 08/28/2017   19:08:06  ( -79.22, -32.29)    2.69                12
 08/28/2017   19:57:36   (  79.53, 137.52) 08/28/2017   19:58:41  (  79.53, 137.49)    0.59                65
 08/31/2017   10:35:22   (  79.09, -84.76) 08/31/2017   10:34:20  (  79.10, -84.71)    1.05                62
 08/31/2017   11:24:43   ( -79.33,  84.42) 08/31/2017   11:24:59  ( -79.33,  84.33)    1.89                16
 09/03/2017   02:51:47   (  79.23,  32.01) 09/03/2017   02:51:13  (  79.24,  32.13)    2.71                34
 09/03/2017   03:41:08   ( -79.47,-158.77) 09/03/2017   03:41:52  ( -79.47,-158.78)    0.39                44
 09/05/2017   19:08:14   (  79.29, 148.25) 09/05/2017   19:08:09  (  79.28, 148.20)    1.27                 5