Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2016 6 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)
 06/09/2016   10:35:37   (  79.12, -84.67) 06/09/2016   10:35:04  (  79.12, -84.76)    2.10                33
 06/09/2016   11:24:56   ( -79.44,  85.02) 06/09/2016   11:25:40  ( -79.44,  84.97)    0.97                44
 06/12/2016   02:52:02   (  79.25,  32.04) 06/12/2016   02:51:55  (  79.25,  31.97)    1.68                 7
 06/12/2016   03:41:22   ( -79.53,-158.47) 06/12/2016   03:42:32  ( -79.53,-158.50)    0.49                70
 06/14/2016   18:19:08   ( -79.11, -20.61) 06/14/2016   18:18:09  ( -79.12, -20.53)    1.93                59
 06/14/2016   19:08:27   (  79.37, 148.72) 06/14/2016   19:08:46  (  79.37, 148.70)    0.36                19
 06/17/2016   10:35:35   ( -79.15,  95.52) 06/17/2016   10:35:03  ( -79.14,  95.42)    2.20                32
 06/17/2016   11:24:52   (  79.49, -94.64) 06/17/2016   11:25:37  (  79.49, -94.55)    1.90                45
 06/20/2016   02:51:58   ( -79.30,-147.65) 06/20/2016   02:51:52  ( -79.30,-147.60)    0.95                 6