Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2016 6 9.  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)
 06/09/2016   10:35:37   (  79.15, -84.47) 06/09/2016   10:35:04  (  79.14, -84.57)    2.14                33
 06/09/2016   11:24:57   ( -79.43,  84.95) 06/09/2016   11:25:41  ( -79.43,  84.91)    0.98                44
 06/12/2016   02:52:02   (  79.24,  31.98) 06/12/2016   02:51:55  (  79.24,  31.90)    1.94                 7
 06/12/2016   03:41:22   ( -79.52,-158.54) 06/12/2016   03:42:32  ( -79.52,-158.58)    0.72                70
 06/14/2016   18:19:08   ( -79.10, -20.68) 06/14/2016   18:18:09  ( -79.10, -20.62)    1.37                59
 06/14/2016   19:08:27   (  79.37, 148.66) 06/14/2016   19:08:46  (  79.36, 148.62)    0.98                19
 06/17/2016   10:35:32   ( -79.26,  96.20) 06/17/2016   10:34:59  ( -79.27,  96.34)    3.09                33
 06/17/2016   11:24:52   (  79.48, -94.70) 06/17/2016   11:25:37  (  79.48, -94.66)    0.78                45
 06/20/2016   02:52:00   ( -79.25,-147.97) 06/20/2016   02:51:54  ( -79.25,-148.01)    0.78                 6
 06/20/2016   03:41:19   (  79.51,  21.38) 06/20/2016   03:42:31  (  79.50,  21.24)    3.12                72
 06/22/2016   18:19:03   (  79.10, 159.33) 06/22/2016   18:18:06  (  79.10, 159.38)    1.06                57