Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2016 8 11.  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)
 08/12/2016   10:35:20   (  79.11, -84.71) 08/12/2016   10:34:41  (  79.11, -84.75)    0.92                39
 08/12/2016   11:24:38   ( -79.47,  85.27) 08/12/2016   11:25:16  ( -79.47,  85.35)    1.82                38
 08/15/2016   02:51:47   (  79.17,  31.57) 08/15/2016   02:51:33  (  79.17,  31.46)    2.39                14
 08/15/2016   03:41:06   ( -79.50,-158.68) 08/15/2016   03:42:09  ( -79.50,-158.67)    0.28                63
 08/17/2016   18:18:52   ( -79.05, -20.98) 08/17/2016   18:17:45  ( -79.05, -20.95)    0.64                67
 08/17/2016   19:08:12   (  79.27, 148.06) 08/17/2016   19:08:23  (  79.26, 147.92)    3.02                11
 08/20/2016   10:35:18   ( -79.14,  95.46) 08/20/2016   10:34:36  ( -79.14,  95.49)    0.54                42
 08/20/2016   11:24:38   (  79.36, -95.49) 08/20/2016   11:25:14  (  79.35, -95.62)    2.81                36
 08/23/2016   02:51:43   ( -79.26,-147.88) 08/23/2016   02:51:26  ( -79.26,-147.82)    1.31                17