Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2017 8 25.  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   ( -79.10,-148.84) 08/26/2017   02:51:12  ( -79.09,-148.97)    2.87                40
 08/26/2017   03:41:09   (  79.45,  21.07) 08/26/2017   03:41:46  (  79.44,  21.03)    0.96                37
 08/28/2017   19:08:18   ( -79.22, -32.23) 08/28/2017   19:08:06  ( -79.21, -32.37)    3.09                12
 08/28/2017   19:57:36   (  79.52, 137.46) 08/28/2017   19:58:41  (  79.52, 137.41)    0.95                65
 08/31/2017   10:35:23   (  79.08, -84.80) 08/31/2017   10:34:21  (  79.08, -84.79)    0.23                62
 08/31/2017   11:24:44   ( -79.33,  84.36) 08/31/2017   11:25:00  ( -79.32,  84.24)    2.75                16
 09/03/2017   02:51:47   (  79.23,  31.98) 09/03/2017   02:51:13  (  79.23,  32.04)    1.26                34
 09/03/2017   03:41:09   ( -79.43,-159.07) 09/03/2017   03:41:53  ( -79.42,-159.15)    1.84                44
 09/05/2017   19:08:12   (  79.37, 148.75) 09/05/2017   19:08:06  (  79.37, 148.88)    2.88                 6