Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2018 4 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)
 04/25/2018   19:58:34   (  79.47, 136.99) 04/25/2018   19:58:20  (  79.46, 136.87)    2.62                14
 04/25/2018   20:47:53   ( -79.76, -53.26) 04/25/2018   20:48:56  ( -79.77, -53.14)    2.51                63
 04/28/2018   11:25:39   ( -79.34,  84.37) 04/28/2018   11:24:35  ( -79.34,  84.39)    0.60                64
 04/28/2018   12:14:58   (  79.61,-106.15) 04/28/2018   12:15:11  (  79.61,-106.08)    1.50                13
 05/01/2018   03:42:05   ( -79.40,-159.33) 05/01/2018   03:41:29  ( -79.40,-159.40)    1.42                36
 05/01/2018   04:31:24   (  79.67,  10.16) 05/01/2018   04:32:05  (  79.67,  10.15)    0.25                41
 05/03/2018   19:58:30   ( -79.46, -43.06) 05/03/2018   19:58:22  ( -79.45, -43.19)    2.86                 8
 05/03/2018   20:47:49   (  79.72, 126.44) 05/03/2018   20:48:58  (  79.72, 126.37)    1.44                69
 05/06/2018   11:25:34   (  79.32, -95.77) 05/06/2018   11:24:36  (  79.31, -95.85)    1.70                58