Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2018 4 28.  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)
 05/01/2018   03:42:04   ( -79.42,-159.23) 05/01/2018   03:41:28  ( -79.41,-159.29)    1.24                36
 05/01/2018   04:31:24   (  79.65,  10.02) 05/01/2018   04:32:05  (  79.65,  10.01)    0.36                41
 05/03/2018   19:58:30   ( -79.47, -42.95) 05/03/2018   19:58:22  ( -79.47, -43.08)    2.72                 8
 05/03/2018   20:47:49   (  79.74, 126.58) 05/03/2018   20:48:58  (  79.73, 126.51)    1.44                69
 05/06/2018   11:25:34   (  79.33, -95.64) 05/06/2018   11:24:36  (  79.33, -95.72)    1.73                58
 05/06/2018   12:14:53   ( -79.64,  74.10) 05/06/2018   12:15:12  ( -79.65,  74.23)    2.70                19
 05/09/2018   03:41:58   (  79.42,  20.82) 05/09/2018   03:41:28  (  79.41,  20.73)    1.99                30
 05/09/2018   04:31:18   ( -79.69,-169.66) 05/09/2018   04:32:05  ( -79.70,-169.56)    2.23                47
 05/11/2018   19:58:23   (  79.50, 137.26) 05/11/2018   19:58:21  (  79.50, 137.18)    1.71                 2