Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2016 5 24.  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)
 05/24/2016   10:35:37   (  79.22, -84.01) 05/24/2016   10:35:03  (  79.23, -83.96)    1.12                34
 05/24/2016   11:24:57   ( -79.50,  85.44) 05/24/2016   11:25:40  ( -79.50,  85.52)    1.81                43
 05/27/2016   02:52:03   (  79.27,  32.14) 05/27/2016   02:51:57  (  79.26,  32.08)    1.25                 6
 05/27/2016   03:41:23   ( -79.54,-158.39) 05/27/2016   03:42:34  ( -79.54,-158.41)    0.55                71
 05/29/2016   18:19:09   ( -79.07, -20.84) 05/29/2016   18:18:13  ( -79.07, -20.89)    1.11                56
 05/29/2016   19:08:28   (  79.34, 148.48) 05/29/2016   19:08:50  (  79.33, 148.36)    2.59                22
 06/01/2016   10:35:32   ( -79.18,  95.69) 06/01/2016   10:35:04  ( -79.17,  95.63)    1.48                28
 06/01/2016   11:24:51   (  79.44, -94.96) 06/01/2016   11:25:41  (  79.43, -95.09)    2.89                50
 06/04/2016   02:05:26   (  70.55,  18.61) 06/04/2016   02:04:13  (  70.90,  16.57)   84.33                73
 06/04/2016   02:51:55   ( -79.31,-147.56) 06/04/2016   02:51:55  ( -79.31,-147.60)    0.81                 0
 06/06/2016   18:18:59   (  79.11, 159.40) 06/06/2016   18:18:10  (  79.11, 159.40)    0.26                49