Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2016 6 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)
 06/12/2016   02:52:02   (  79.26,  32.09) 06/12/2016   02:51:55  (  79.25,  32.01)    1.75                 7
 06/12/2016   03:41:22   ( -79.53,-158.44) 06/12/2016   03:42:32  ( -79.53,-158.47)    0.64                70
 06/14/2016   18:19:08   ( -79.11, -20.58) 06/14/2016   18:18:09  ( -79.12, -20.50)    1.74                59
 06/14/2016   19:08:27   (  79.38, 148.77) 06/14/2016   19:08:46  (  79.38, 148.75)    0.48                19
 06/17/2016   10:35:35   ( -79.12,  95.32) 06/17/2016   10:35:03  ( -79.11,  95.21)    2.39                32
 06/17/2016   11:24:51   (  79.50, -94.58) 06/17/2016   11:25:36  (  79.50, -94.49)    1.82                45
 06/20/2016   02:51:58   ( -79.31,-147.59) 06/20/2016   02:51:52  ( -79.31,-147.55)    0.81                 6
 06/20/2016   03:41:18   (  79.53,  21.52) 06/20/2016   03:42:30  (  79.52,  21.45)    1.38                72
 06/22/2016   18:19:06   (  79.00, 158.74) 06/22/2016   18:18:10  (  78.99, 158.62)    2.77                56