Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2017 2 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)
 02/28/2017   11:25:03   (  79.68, -93.02) 02/28/2017   11:24:32  (  79.68, -92.89)    2.66                31
 02/28/2017   12:14:27   ( -79.79,  75.50) 02/28/2017   12:15:14  ( -79.79,  75.38)    2.41                47
 03/03/2017   03:41:31   (  79.69,  22.97) 03/03/2017   03:41:24  (  79.69,  22.97)    0.22                 7
 03/03/2017   04:30:52   ( -79.92,-167.65) 03/03/2017   04:32:02  ( -79.92,-167.57)    1.71                70
 03/05/2017   19:08:38   ( -79.56, -29.73) 03/05/2017   19:07:37  ( -79.56, -29.67)    1.24                61
 03/05/2017   19:57:59   (  79.73, 139.18) 03/05/2017   19:58:16  (  79.73, 139.11)    1.53                17
 03/08/2017   11:25:05   ( -79.64,  86.71) 03/08/2017   11:24:28  ( -79.64,  86.74)    0.54                37
 03/08/2017   12:14:26   (  79.81,-104.36) 03/08/2017   12:15:07  (  79.80,-104.48)    2.41                41
 03/11/2017   03:41:32   ( -79.71,-156.87) 03/11/2017   03:41:19  ( -79.71,-156.84)    0.60                13