Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2016 10 14.  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)
 10/15/2016   10:35:10   (  79.31, -83.36) 10/15/2016   10:34:36  (  79.30, -83.49)    2.91                34
 10/15/2016   11:24:30   ( -79.59,  86.14) 10/15/2016   11:25:13  ( -79.58,  86.04)    2.03                43
 10/18/2016   02:51:38   (  79.41,  33.15) 10/18/2016   02:51:29  (  79.40,  33.01)    3.00                 9
 10/18/2016   03:40:58   ( -79.68,-157.30) 10/18/2016   03:42:06  ( -79.67,-157.40)    2.00                68
 10/20/2016   18:18:46   ( -79.27, -19.54) 10/20/2016   18:17:44  ( -79.27, -19.51)    0.86                62
 10/20/2016   19:08:05   (  79.53, 149.84) 10/20/2016   19:08:21  (  79.52, 149.78)    1.35                16
 10/23/2016   10:35:13   ( -79.34,  96.80) 10/23/2016   10:34:37  ( -79.33,  96.71)    2.11                36
 10/23/2016   11:24:30   (  79.67, -93.26) 10/23/2016   11:25:11  (  79.68, -93.16)    2.06                41
 10/26/2016   02:51:38   ( -79.51,-146.15) 10/26/2016   02:51:27  ( -79.52,-146.01)    3.06                11
 10/26/2016   03:40:58   (  79.72,  23.01) 10/26/2016   03:42:05  (  79.73,  23.05)    0.80                67
 10/28/2016   18:18:45   (  79.31, 160.72) 10/28/2016   18:17:43  (  79.32, 160.82)    2.10                62