Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2017 11 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)
 11/08/2017   19:08:22   (  79.66, 150.84) 11/08/2017   19:08:11  (  79.66, 150.97)    2.59                11
 11/08/2017   19:57:46   ( -79.78, -40.60) 11/08/2017   19:58:53  ( -79.77, -40.75)    3.01                67
 11/11/2017   10:35:32   ( -79.45,  97.58) 11/11/2017   10:34:28  ( -79.45,  97.60)    0.50                64
 11/11/2017   11:24:52   (  79.66, -93.28) 11/11/2017   11:25:06  (  79.65, -93.35)    1.58                14
 11/14/2017   02:52:01   ( -79.48,-146.32) 11/14/2017   02:51:22  ( -79.47,-146.44)    2.75                39
 11/14/2017   03:41:19   (  79.76,  23.37) 11/14/2017   03:41:57  (  79.77,  23.44)    1.51                38
 11/16/2017   19:08:27   ( -79.62, -29.47) 11/16/2017   19:08:12  ( -79.62, -29.41)    1.25                15
 11/16/2017   19:57:47   (  79.82, 139.70) 11/16/2017   19:58:50  (  79.82, 139.66)    1.06                63
 11/19/2017   10:35:34   (  79.39, -82.82) 11/19/2017   10:34:27  (  79.38, -82.91)    1.85                67
 11/19/2017   11:24:54   ( -79.67,  86.81) 11/19/2017   11:25:04  ( -79.67,  86.79)    0.30                10
 11/22/2017   02:52:01   (  79.47,  33.65) 11/22/2017   02:51:19  (  79.46,  33.51)    2.87                42