Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2017 1 16.  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)
 01/16/2017   19:57:35   (  79.81, 139.74) 01/16/2017   19:58:42  (  79.81, 139.66)    1.69                67
 01/19/2017   10:35:22   (  79.40, -82.68) 01/19/2017   10:34:19  (  79.39, -82.76)    1.72                63
 01/19/2017   11:24:42   ( -79.66,  86.84) 01/19/2017   11:24:56  ( -79.66,  86.79)    0.90                14
 01/22/2017   02:51:48   (  79.50,  33.92) 01/22/2017   02:51:10  (  79.49,  33.81)    2.38                38
 01/22/2017   03:41:09   ( -79.73,-156.79) 01/22/2017   03:41:48  ( -79.72,-156.87)    1.70                39
 01/24/2017   19:08:15   (  79.56, 150.24) 01/24/2017   19:08:02  (  79.55, 150.11)    2.62                13
 01/24/2017   19:57:36   ( -79.79, -40.44) 01/24/2017   19:58:40  ( -79.78, -40.55)    2.08                64
 01/27/2017   10:35:20   ( -79.44,  97.62) 01/27/2017   10:34:14  ( -79.43,  97.58)    1.12                66
 01/27/2017   11:24:40   (  79.65, -93.20) 01/27/2017   11:24:52  (  79.65, -93.32)    2.46                12
 01/30/2017   02:51:46   ( -79.53,-145.85) 01/30/2017   02:51:05  ( -79.53,-145.88)    0.72                41