Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2017 1 6.  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   19:08:17   (  79.54, 150.02) 01/08/2017   19:08:10  (  79.53, 149.87)    3.13                 7
 01/08/2017   19:57:37   ( -79.80, -40.43) 01/08/2017   19:58:47  ( -79.79, -40.50)    1.25                70
 01/11/2017   10:35:21   ( -79.47,  97.81) 01/11/2017   10:34:20  ( -79.48,  97.95)    2.98                61
 01/11/2017   11:24:41   (  79.69, -92.96) 01/11/2017   11:24:58  (  79.69, -92.94)    0.43                17
 01/14/2017   02:51:49   ( -79.52,-146.00) 01/14/2017   02:51:13  ( -79.52,-145.99)    0.36                36
 01/14/2017   03:41:10   (  79.70,  22.95) 01/14/2017   03:41:52  (  79.70,  22.86)    2.00                42
 01/16/2017   19:08:17   ( -79.55, -29.85) 01/16/2017   19:08:06  ( -79.55, -29.93)    1.68                11
 01/16/2017   19:57:35   (  79.84, 139.94) 01/16/2017   19:58:41  (  79.85, 140.06)    2.72                66
 01/19/2017   10:35:21   (  79.46, -82.23) 01/19/2017   10:34:17  (  79.47, -82.12)    2.45                64