Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2017 10 26.  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)
 10/29/2017   02:51:52   ( -79.56,-145.78) 10/29/2017   02:51:22  ( -79.56,-145.68)    2.14                30
 10/29/2017   03:41:12   (  79.77,  23.41) 10/29/2017   03:42:00  (  79.77,  23.46)    1.00                48
 10/31/2017   19:08:19   ( -79.65, -29.20) 10/31/2017   19:08:13  ( -79.66, -29.09)    2.34                 6
 10/31/2017   19:57:39   (  79.86, 140.00) 10/31/2017   19:58:51  (  79.86, 140.06)    1.27                72
 11/03/2017   10:35:29   (  79.38, -82.86) 11/03/2017   10:34:31  (  79.37, -82.98)    2.55                58
 11/03/2017   11:24:50   ( -79.63,  86.49) 11/03/2017   11:25:09  ( -79.62,  86.38)    2.42                19
 11/06/2017   02:51:55   (  79.54,  34.06) 11/06/2017   02:51:21  (  79.53,  34.08)    0.35                34
 11/06/2017   03:41:16   ( -79.78,-156.53) 11/06/2017   03:41:59  ( -79.78,-156.49)    0.68                43
 11/08/2017   19:08:24   (  79.56, 150.13) 11/08/2017   19:08:15  (  79.56, 150.04)    1.82                 9