Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2017 1 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)
 01/27/2017   10:35:29   ( -79.37,  97.15) 01/27/2017   10:34:16  ( -79.36,  97.05)    2.09                73
 01/27/2017   11:24:46   (  79.71, -92.83) 01/27/2017   11:24:50  (  79.71, -92.71)    2.57                 4
 01/30/2017   02:51:57   ( -79.50,-146.12) 01/30/2017   02:51:06  ( -79.49,-146.13)    0.30                51
 01/30/2017   03:41:17   (  79.72,  23.11) 01/30/2017   03:41:44  (  79.71,  23.02)    1.86                27
 02/01/2017   19:08:25   ( -79.61, -29.40) 02/01/2017   19:07:56  ( -79.62, -29.30)    2.19                29
 02/01/2017   19:57:45   (  79.83, 139.85) 02/01/2017   19:58:34  (  79.83, 139.89)    0.82                49
 02/04/2017   11:24:55   ( -79.65,  86.76) 02/04/2017   11:24:49  ( -79.65,  86.71)    1.02                 6
 02/04/2017   12:14:16   (  79.83,-104.28) 02/04/2017   12:15:28  (  79.82,-104.39)    2.33                72
 02/07/2017   02:52:01   (  79.52,  34.07) 02/07/2017   02:51:00  (  79.53,  34.20)    2.85                61