Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2017 11 9.  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)
 11/11/2017   10:35:32   ( -79.46,  97.67) 11/11/2017   10:34:28  ( -79.46,  97.72)    0.96                64
 11/11/2017   11:24:52   (  79.67, -93.18) 11/11/2017   11:25:06  (  79.67, -93.23)    1.07                14
 11/14/2017   02:52:00   ( -79.49,-146.25) 11/14/2017   02:51:21  ( -79.48,-146.33)    1.55                39
 11/14/2017   03:41:17   (  79.81,  23.72) 11/14/2017   03:41:55  (  79.81,  23.86)    2.74                38
 11/16/2017   19:08:28   ( -79.55, -29.98) 11/16/2017   19:08:14  ( -79.54, -30.12)    2.92                14
 11/16/2017   19:57:45   (  79.86, 140.01) 11/16/2017   19:58:48  (  79.86, 140.07)    1.26                63
 11/19/2017   10:35:32   (  79.46, -82.33) 11/19/2017   10:34:25  (  79.46, -82.25)    1.69                67
 11/19/2017   11:24:55   ( -79.63,  86.50) 11/19/2017   11:25:06  ( -79.62,  86.35)    3.15                11
 11/22/2017   02:51:58   (  79.57,  34.34) 11/22/2017   02:51:16  (  79.58,  34.45)    2.27                42