Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2017 6 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)
 06/09/2017   19:08:34   ( -79.17, -32.55) 06/09/2017   19:07:40  ( -79.17, -32.65)    2.07                54
 06/09/2017   19:57:50   (  79.55, 137.62) 06/09/2017   19:58:13  (  79.56, 137.76)    2.80                23
 06/12/2017   11:25:00   ( -79.25,  83.79) 06/12/2017   11:24:33  ( -79.24,  83.65)    3.19                27
 06/12/2017   12:14:17   (  79.58,-106.29) 06/12/2017   12:15:07  (  79.59,-106.20)    1.96                50
 06/15/2017   03:41:21   ( -79.47,-158.86) 06/15/2017   03:41:20  ( -79.47,-158.73)    2.64                 1
 06/17/2017   19:08:26   (  79.28, 148.17) 06/17/2017   19:07:35  (  79.29, 148.28)    2.43                51
 06/17/2017   19:57:47   ( -79.53, -42.54) 06/17/2017   19:58:13  ( -79.54, -42.42)    2.64                26
 06/20/2017   11:24:51   (  79.38, -95.33) 06/20/2017   11:24:27  (  79.39, -95.19)    3.02                24