Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2018 6 4.  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)
 06/07/2018   11:25:27   (  79.35, -95.52) 06/07/2018   11:24:35  (  79.36, -95.44)    1.96                52
 06/07/2018   12:14:48   ( -79.59,  73.76) 06/07/2018   12:15:13  ( -79.60,  73.85)    1.97                25
 06/10/2018   03:41:54   (  79.42,  20.81) 06/10/2018   03:41:28  (  79.42,  20.86)    1.23                26
 06/10/2018   04:31:15   ( -79.66,-169.87) 06/10/2018   04:32:06  ( -79.66,-169.82)    0.89                51
 06/12/2018   19:58:20   (  79.52, 137.38) 06/12/2018   19:58:20  (  79.52, 137.42)    0.96                 0
 06/12/2018   20:45:24   ( -81.59,  -1.15) 06/12/2018   20:46:37  ( -80.87,  -2.32)   83.46                73
 06/15/2018   11:25:27   ( -79.33,  84.33) 06/15/2018   11:24:35  ( -79.33,  84.38)    1.03                52
 06/15/2018   12:14:46   (  79.58,-106.34) 06/15/2018   12:15:12  (  79.58,-106.29)    1.12                26
 06/18/2018   03:41:53   ( -79.43,-159.15) 06/18/2018   03:41:27  ( -79.43,-159.09)    1.42                26