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   ( -79.16, -32.60) 06/09/2017   19:07:40  ( -79.16, -32.70)    2.07                54
 06/09/2017   19:57:50   (  79.55, 137.57) 06/09/2017   19:58:13  (  79.55, 137.71)    2.78                23
 06/12/2017   11:24:56   ( -79.39,  84.75) 06/12/2017   11:24:28  ( -79.40,  84.90)    3.19                28
 06/12/2017   12:14:16   (  79.61,-106.08) 06/12/2017   12:15:06  (  79.62,-105.98)    1.94                50
 06/15/2017   03:41:22   ( -79.46,-158.91) 06/15/2017   03:41:21  ( -79.47,-158.79)    2.62                 1
 06/17/2017   19:08:26   (  79.28, 148.12) 06/17/2017   19:07:35  (  79.28, 148.23)    2.38                51
 06/17/2017   19:57:47   ( -79.52, -42.60) 06/17/2017   19:58:13  ( -79.53, -42.48)    2.60                26
 06/20/2017   11:24:51   (  79.37, -95.38) 06/20/2017   11:24:27  (  79.38, -95.24)    2.95                24