Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2017 3 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)
 03/08/2017   11:25:09   ( -79.52,  85.82) 03/08/2017   11:24:31  ( -79.52,  85.75)    1.52                38
 03/08/2017   12:14:27   (  79.81,-104.42) 03/08/2017   12:15:06  (  79.82,-104.32)    1.95                39
 03/11/2017   03:41:35   ( -79.66,-157.35) 03/11/2017   03:41:20  ( -79.66,-157.31)    0.82                15
 03/11/2017   04:30:57   (  79.79,  11.32) 03/11/2017   04:32:00  (  79.79,  11.20)    2.31                63
 03/13/2017   19:08:41   (  79.51, 149.82) 03/13/2017   19:07:32  (  79.51, 149.90)    1.75                69
 03/13/2017   19:58:04   ( -79.67, -41.37) 03/13/2017   19:58:13  ( -79.66, -41.49)    2.54                 9
 03/16/2017   11:25:10   (  79.51, -94.26) 03/16/2017   11:24:25  (  79.51, -94.31)    1.06                45
 03/16/2017   12:14:30   ( -79.79,  75.38) 03/16/2017   12:15:02  ( -79.79,  75.45)    1.32                32
 03/19/2017   03:41:37   (  79.55,  21.88) 03/19/2017   03:41:16  (  79.54,  21.73)    3.09                21