Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2018 4 7.  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)
 04/09/2018   19:58:35   (  79.59, 137.88) 04/09/2018   19:58:13  (  79.59, 137.98)    2.14                22
 04/09/2018   20:47:56   ( -79.77, -53.12) 04/09/2018   20:48:52  ( -79.77, -53.11)    0.12                56
 04/12/2018   11:25:43   ( -79.36,  84.58) 04/12/2018   11:24:31  ( -79.36,  84.48)    2.05                72
 04/12/2018   12:15:02   (  79.63,-105.96) 04/12/2018   12:15:07  (  79.62,-105.99)    0.85                 5
 04/15/2018   03:42:08   ( -79.51,-158.52) 04/15/2018   03:41:22  ( -79.52,-158.42)    1.96                46
 04/15/2018   04:31:28   (  79.74,  10.73) 04/15/2018   04:31:59  (  79.75,  10.87)    3.10                31
 04/17/2018   19:58:36   ( -79.55, -42.41) 04/17/2018   19:58:17  ( -79.55, -42.41)    0.25                19
 04/17/2018   20:47:55   (  79.80, 127.11) 04/17/2018   20:48:53  (  79.80, 127.17)    1.07                58
 04/20/2018   11:25:42   (  79.38, -95.32) 04/20/2018   11:24:32  (  79.38, -95.32)    0.25                70