Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2016 10 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)
 10/31/2016   10:35:11   (  79.46, -82.36) 10/31/2016   10:34:34  (  79.47, -82.21)    2.99                37
 10/31/2016   11:24:34   ( -79.62,  86.39) 10/31/2016   11:25:15  ( -79.62,  86.33)    1.36                41
 11/03/2016   02:51:41   (  79.42,  33.26) 11/03/2016   02:51:31  (  79.42,  33.14)    2.76                10
 11/03/2016   03:41:01   ( -79.70,-157.17) 11/03/2016   03:42:08  ( -79.70,-157.20)    0.62                67
 11/05/2016   18:18:45   ( -79.35, -19.00) 11/05/2016   18:17:43  ( -79.36, -18.89)    2.34                62
 11/05/2016   19:08:05   (  79.57, 150.13) 11/05/2016   19:08:21  (  79.56, 150.09)    0.87                16
 11/08/2016   10:35:13   ( -79.37,  97.02) 11/08/2016   10:34:38  ( -79.37,  96.98)    0.84                35
 11/08/2016   11:24:30   (  79.70, -93.05) 11/08/2016   11:25:12  (  79.70, -92.94)    2.31                42
 11/11/2016   02:51:39   ( -79.46,-146.50) 11/11/2016   02:51:31  ( -79.45,-146.62)    2.69                 8
 11/11/2016   03:40:57   (  79.74,  23.17) 11/11/2016   03:42:06  (  79.74,  23.19)    0.37                69
 11/13/2016   18:18:43   (  79.32, 160.85) 11/13/2016   18:17:44  (  79.33, 160.86)    0.32                59