Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2016 7 13.  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)
 07/14/2016   02:51:51   (  79.34,  32.60) 07/14/2016   02:51:43  (  79.34,  32.72)    2.59                 8
 07/14/2016   03:41:13   ( -79.54,-158.42) 07/14/2016   03:42:23  ( -79.53,-158.45)    0.84                70
 07/16/2016   18:19:00   ( -79.07, -20.87) 07/16/2016   18:18:01  ( -79.07, -20.86)    0.19                59
 07/16/2016   19:08:17   (  79.41, 148.96) 07/16/2016   19:08:35  (  79.42, 149.07)    2.50                18
 07/19/2016   10:35:24   ( -79.17,  95.68) 07/19/2016   10:34:51  ( -79.18,  95.73)    1.14                33
 07/19/2016   11:24:44   (  79.40, -95.25) 07/19/2016   11:25:29  (  79.39, -95.38)    2.88                45
 07/22/2016   02:51:47   ( -79.35,-147.30) 07/22/2016   02:51:40  ( -79.36,-147.15)    3.15                 7
 07/22/2016   03:41:08   (  79.53,  21.54) 07/22/2016   03:42:19  (  79.52,  21.50)    0.75                71
 07/24/2016   18:18:56   (  78.99, 158.69) 07/24/2016   18:17:59  (  78.98, 158.55)    2.98                57
 07/24/2016   19:08:14   ( -79.36, -31.33) 07/24/2016   19:08:34  ( -79.36, -31.34)    0.08                20
 07/27/2016   10:35:18   (  79.19, -84.19) 07/27/2016   10:34:47  (  79.20, -84.14)    1.19                31