Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2017 11 7.  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)
 11/08/2017   19:08:23   (  79.65, 150.74) 11/08/2017   19:08:12  (  79.65, 150.86)    2.45                11
 11/08/2017   19:57:44   ( -79.88, -39.86) 11/08/2017   19:58:50  ( -79.88, -39.70)    3.19                66
 11/11/2017   10:35:33   ( -79.44,  97.51) 11/11/2017   10:34:29  ( -79.43,  97.51)    0.34                64
 11/11/2017   11:24:53   (  79.65, -93.36) 11/11/2017   11:25:07  (  79.64, -93.46)    2.21                14
 11/14/2017   02:51:59   ( -79.55,-145.82) 11/14/2017   02:51:19  ( -79.56,-145.72)    2.18                40
 11/14/2017   03:41:19   (  79.76,  23.33) 11/14/2017   03:41:57  (  79.76,  23.34)    0.11                38
 11/16/2017   19:08:28   ( -79.58, -29.72) 11/16/2017   19:08:13  ( -79.58, -29.77)    1.20                15
 11/16/2017   19:57:46   (  79.86, 139.99) 11/16/2017   19:58:48  (  79.87, 140.14)    2.96                62
 11/19/2017   10:35:34   (  79.44, -82.49) 11/19/2017   10:34:26  (  79.44, -82.46)    0.89                68