Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2017 3 4.  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)
 03/05/2017   19:08:43   ( -79.41, -30.87) 03/05/2017   19:07:42  ( -79.40, -31.02)    3.14                61
 03/05/2017   19:58:01   (  79.70, 138.85) 03/05/2017   19:58:17  (  79.70, 138.87)    0.59                16
 03/08/2017   11:25:10   ( -79.51,  85.71) 03/08/2017   11:24:32  ( -79.51,  85.64)    1.39                38
 03/08/2017   12:14:28   (  79.80,-104.55) 03/08/2017   12:15:07  (  79.80,-104.45)    2.22                39
 03/11/2017   03:41:36   ( -79.64,-157.49) 03/11/2017   03:41:21  ( -79.64,-157.42)    1.48                15
 03/11/2017   04:30:57   (  79.81,  11.44) 03/11/2017   04:32:00  (  79.81,  11.37)    1.49                63
 03/13/2017   19:08:43   (  79.41, 149.12) 03/13/2017   19:07:35  (  79.40, 148.98)    3.07                68
 03/13/2017   19:58:03   ( -79.68, -41.27) 03/13/2017   19:58:12  ( -79.68, -41.32)    1.01                 9
 03/16/2017   11:25:08   (  79.56, -93.95) 03/16/2017   11:24:23  (  79.56, -93.87)    1.63                45