Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2018 10 25.  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)
 10/26/2018   19:08:19   (  79.52, 149.81) 10/26/2018   19:08:08  (  79.52, 149.78)    0.60                11
 10/26/2018   19:57:40   ( -79.76, -40.85) 10/26/2018   19:58:46  ( -79.75, -40.90)    1.11                66
 10/29/2018   10:35:27   ( -79.35,  96.91) 10/29/2018   10:34:23  ( -79.35,  96.89)    0.46                64
 10/29/2018   11:24:46   (  79.61, -93.71) 10/29/2018   11:25:00  (  79.60, -93.76)    0.97                14
 11/01/2018   02:51:54   ( -79.44,-146.65) 11/01/2018   02:51:15  ( -79.44,-146.67)    0.36                39
 11/01/2018   03:41:13   (  79.69,  22.75) 11/01/2018   03:41:52  (  79.68,  22.70)    0.85                39
 11/03/2018   19:08:19   ( -79.55, -29.97) 11/03/2018   19:08:05  ( -79.55, -29.95)    0.35                14
 11/03/2018   19:57:39   (  79.76, 139.18) 11/03/2018   19:58:43  (  79.76, 139.16)    0.29                64
 11/06/2018   10:35:24   (  79.42, -82.67) 11/06/2018   10:34:18  (  79.42, -82.59)    1.76                66