Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2016 3 30.  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)
 04/01/2016   02:52:35   ( -79.22,-148.12) 04/01/2016   02:51:50  ( -79.21,-148.25)    2.94                45
 04/01/2016   03:41:53   (  79.52,  21.54) 04/01/2016   03:42:25  (  79.52,  21.49)    1.12                32
 04/03/2016   19:09:00   ( -79.39, -31.11) 04/03/2016   19:08:41  ( -79.39, -31.11)    0.27                19
 04/03/2016   19:58:19   (  79.65, 138.33) 04/03/2016   19:59:17  (  79.66, 138.42)    1.97                58
 04/06/2016   10:36:06   (  79.19, -84.16) 04/06/2016   10:34:56  (  79.20, -84.13)    0.55                70
 04/06/2016   11:25:27   ( -79.44,  85.08) 04/06/2016   11:25:35  ( -79.43,  84.97)    2.58                 8
 04/09/2016   02:52:33   (  79.27,  32.20) 04/09/2016   02:51:50  (  79.27,  32.16)    0.72                43
 04/09/2016   03:41:51   ( -79.62,-157.73) 04/09/2016   03:42:25  ( -79.63,-157.61)    2.46                34
 04/11/2016   19:08:59   (  79.37, 148.75) 04/11/2016   19:08:43  (  79.37, 148.71)    0.85                16