Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2019 6 16.  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)
 06/18/2019   11:24:58   ( -79.46,  85.25) 06/18/2019   11:24:48  ( -79.47,  85.34)    1.90                10
 06/18/2019   12:14:18   (  79.68,-105.57) 06/18/2019   12:15:26  (  79.68,-105.54)    0.65                68
 06/21/2019   02:52:06   (  79.19,  31.71) 06/21/2019   02:51:07  (  79.19,  31.64)    1.52                59
 06/21/2019   03:41:26   ( -79.48,-158.78) 06/21/2019   03:41:44  ( -79.47,-158.83)    1.02                18
 06/23/2019   19:08:28   (  79.39, 148.90) 06/23/2019   19:07:56  (  79.40, 149.02)    2.51                32
 06/23/2019   19:57:49   ( -79.64, -41.77) 06/23/2019   19:58:34  ( -79.64, -41.63)    2.86                45
 06/26/2019   11:24:55   (  79.44, -94.93) 06/26/2019   11:24:51  (  79.44, -94.91)    0.45                 4
 06/26/2019   12:14:16   ( -79.68,  74.43) 06/26/2019   12:15:29  ( -79.68,  74.46)    0.71                73
 06/29/2019   02:52:03   ( -79.23,-148.07) 06/29/2019   02:51:09  ( -79.22,-148.10)    0.59                54