Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2019 4 29.  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)
 05/01/2019   11:25:15   ( -79.40,  84.80) 05/01/2019   11:24:27  ( -79.41,  84.95)    3.12                48
 05/01/2019   12:14:36   (  79.59,-106.25) 05/01/2019   12:15:06  (  79.59,-106.31)    1.42                30
 05/04/2019   03:41:40   ( -79.48,-158.83) 05/04/2019   03:41:21  ( -79.48,-158.78)    1.12                19
 05/04/2019   04:30:59   (  79.73,  10.66) 05/04/2019   04:31:57  (  79.74,  10.82)    3.17                58
 05/06/2019   19:08:45   (  79.31, 148.28) 05/06/2019   19:07:37  (  79.31, 148.36)    1.86                68
 05/06/2019   19:58:07   ( -79.51, -42.74) 05/06/2019   19:58:17  ( -79.51, -42.78)    0.68                10
 05/09/2019   11:25:11   (  79.37, -95.42) 05/09/2019   11:24:32  (  79.37, -95.40)    0.53                39
 05/09/2019   12:14:33   ( -79.57,  73.59) 05/09/2019   12:15:12  ( -79.57,  73.49)    2.08                39
 05/12/2019   03:41:36   (  79.47,  21.13) 05/12/2019   03:41:26  (  79.46,  21.10)    0.59                10