Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2017 1 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)
 01/27/2017   10:35:30   ( -79.36,  97.09) 01/27/2017   10:34:17  ( -79.36,  96.98)    2.17                73
 01/27/2017   11:24:47   (  79.70, -92.89) 01/27/2017   11:24:51  (  79.71, -92.78)    2.48                 4
 01/30/2017   02:51:57   ( -79.49,-146.18) 01/30/2017   02:51:06  ( -79.49,-146.20)    0.46                51
 01/30/2017   03:41:17   (  79.71,  23.06) 01/30/2017   03:41:44  (  79.70,  22.96)    2.03                27
 02/01/2017   19:08:25   ( -79.61, -29.46) 02/01/2017   19:07:56  ( -79.61, -29.37)    1.93                29
 02/01/2017   19:57:45   (  79.82, 139.80) 02/01/2017   19:58:34  (  79.82, 139.82)    0.54                49
 02/04/2017   11:24:55   ( -79.65,  86.71) 02/04/2017   11:24:49  ( -79.64,  86.64)    1.40                 6
 02/04/2017   12:14:16   (  79.82,-104.33) 02/04/2017   12:15:28  (  79.81,-104.46)    2.72                72
 02/07/2017   02:52:02   (  79.52,  34.03) 02/07/2017   02:51:01  (  79.53,  34.14)    2.33                61