Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2016 7 23.  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)
 07/24/2016   18:18:54   (  79.08, 159.21) 07/24/2016   18:17:56  (  79.08, 159.23)    0.32                58
 07/24/2016   19:08:15   ( -79.32, -31.60) 07/24/2016   19:08:35  ( -79.31, -31.73)    2.82                20
 07/27/2016   10:35:17   (  79.24, -83.85) 07/27/2016   10:34:45  (  79.25, -83.71)    3.00                32
 07/27/2016   11:24:39   ( -79.45,  85.14) 07/27/2016   11:25:25  ( -79.45,  85.13)    0.16                46
 07/30/2016   02:51:43   (  79.29,  32.31) 07/30/2016   02:51:38  (  79.29,  32.32)    0.21                 5
 07/30/2016   03:41:05   ( -79.49,-158.67) 07/30/2016   03:42:18  ( -79.48,-158.82)    3.10                73
 08/01/2016   18:18:48   ( -79.11, -20.59) 08/01/2016   18:17:52  ( -79.11, -20.50)    2.02                56
 08/01/2016   19:08:08   (  79.33, 148.45) 08/01/2016   19:08:30  (  79.32, 148.35)    2.03                22
 08/04/2016   10:35:13   ( -79.18,  95.76) 08/04/2016   10:34:44  ( -79.18,  95.78)    0.52                29