Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2017 11 1.  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)
 11/03/2017   10:35:28   (  79.43, -82.54) 11/03/2017   10:34:29  (  79.43, -82.52)    0.44                59
 11/03/2017   11:24:49   ( -79.67,  86.80) 11/03/2017   11:25:07  ( -79.67,  86.83)    0.75                18
 11/06/2017   02:51:56   (  79.52,  33.97) 11/06/2017   02:51:21  (  79.53,  34.01)    0.79                35
 11/06/2017   03:41:17   ( -79.76,-156.65) 11/06/2017   03:41:59  ( -79.77,-156.59)    1.19                42
 11/08/2017   19:08:23   (  79.64, 150.72) 11/08/2017   19:08:12  (  79.65, 150.81)    1.80                11
 11/08/2017   19:57:45   ( -79.85, -40.12) 11/08/2017   19:58:51  ( -79.85, -40.01)    2.39                66
 11/11/2017   10:35:34   ( -79.40,  97.28) 11/11/2017   10:34:30  ( -79.40,  97.23)    1.05                64
 11/11/2017   11:24:54   (  79.61, -93.63) 11/11/2017   11:25:08  (  79.61, -93.78)    2.94                14
 11/14/2017   02:51:59   ( -79.56,-145.80) 11/14/2017   02:51:19  ( -79.56,-145.73)    1.45                40