Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2017 1 8.  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)
 01/08/2017   19:08:16   (  79.54, 150.04) 01/08/2017   19:08:09  (  79.53, 149.93)    2.35                 7
 01/08/2017   19:57:36   ( -79.80, -40.42) 01/08/2017   19:58:46  ( -79.80, -40.44)    0.45                70
 01/11/2017   10:35:23   ( -79.39,  97.26) 01/11/2017   10:34:23  ( -79.39,  97.20)    1.40                60
 01/11/2017   11:24:40   (  79.73, -92.71) 01/11/2017   11:24:57  (  79.73, -92.59)    2.36                17
 01/14/2017   02:51:50   ( -79.46,-146.36) 01/14/2017   02:51:15  ( -79.46,-146.47)    2.31                35
 01/14/2017   03:41:08   (  79.76,  23.41) 01/14/2017   03:41:50  (  79.77,  23.49)    1.80                42
 01/16/2017   19:08:16   ( -79.57, -29.77) 01/16/2017   19:08:06  ( -79.56, -29.87)    2.08                10
 01/16/2017   19:57:34   (  79.85, 140.02) 01/16/2017   19:58:41  (  79.86, 140.13)    2.36                67
 01/19/2017   10:35:21   (  79.38, -82.78) 01/19/2017   10:34:19  (  79.38, -82.86)    1.53                62
 01/19/2017   11:24:41   ( -79.66,  86.77) 01/19/2017   11:24:56  ( -79.66,  86.73)    0.69                15
 01/22/2017   02:51:45   (  79.54,  34.19) 01/22/2017   02:51:08  (  79.54,  34.25)    1.17                37