Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2016 7 10.  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)
 07/11/2016   10:35:29   (  79.10, -84.77) 07/11/2016   10:34:56  (  79.09, -84.89)    2.55                33
 07/11/2016   11:24:47   ( -79.46,  85.19) 07/11/2016   11:25:31  ( -79.46,  85.20)    0.29                44
 07/14/2016   02:51:52   (  79.30,  32.37) 07/14/2016   02:51:44  (  79.31,  32.47)    2.26                 8
 07/14/2016   03:41:14   ( -79.51,-158.63) 07/14/2016   03:42:24  ( -79.50,-158.68)    1.23                70
 07/16/2016   18:19:01   ( -79.04, -21.05) 07/16/2016   18:18:02  ( -79.03, -21.09)    0.94                59
 07/16/2016   19:08:18   (  79.38, 148.74) 07/16/2016   19:08:36  (  79.38, 148.80)    1.40                18
 07/19/2016   10:35:25   ( -79.15,  95.52) 07/19/2016   10:34:52  ( -79.14,  95.46)    1.15                33
 07/19/2016   11:24:42   (  79.48, -94.67) 07/19/2016   11:25:26  (  79.48, -94.61)    1.24                44
 07/22/2016   02:51:50   ( -79.25,-147.95) 07/22/2016   02:51:43  ( -79.25,-147.98)    0.66                 7